Solutions Search - Power Management

DC2418A-B - LTC4368-2 Demo Board | UV, OV, OC and Reverse Supply Protection with -3mV Reverse ECB

Mar 9th 2017
Demonstration circuit 2418A is intended to demonstrate the performance of the LTC®4368 100V undervoltage (UV), overvoltage (OV), and reverse protection controller with bidirectional circuit breaker. The LTC4368 protects circuits from overcurrent in both directions and from input voltages that may be too high, too low, or ...

 

DC2418A-A - LTC4368-1 Demo Board | UV, OV, OC and Reverse Supply Protection with -50mV Reverse ECB

Mar 9th 2017
Demonstration circuit 2418A is intended to demonstrate the performance of the LTC®4368 100V undervoltage (UV), overvoltage (OV), and reverse protection controller with bidirectional circuit breaker. The LTC4368 protects circuits from overcurrent in both directions and from input voltages that may be too high, too low, or ...

 

DC2423A-B - LTM9100 Demo Board | Isolated 380V Switch Controller with Telemetry [requires DC590 or DC2026]

Mar 8th 2017
Demonstration circuit 2423A showcases the LTM®9100 Isolated Switch Controller in either a typical 48V application (–A) or in a high voltage 380V application (–B). The board may be configured for either high side or low side operation, dependent on the connection of external supply and load to the banana jacks. ...

 

DC2423A-A - LTM9100 Demo Board | Isolated 48V Switch Controller with Telemetry [requires DC590 or DC2026]

Mar 8th 2017
Demonstration circuit 2423A showcases the LTM®9100 Isolated Switch Controller in either a typical 48V application (–A) or in a high voltage 380V application (–B). The board may be configured for either high side or low side operation, dependent on the connection of external supply and load to the banana jacks. ...

 

High Voltage, High Efficiency Positive to Negative Converter

Victor Khasiev - Applications Engineer Mar 8th 2017
Design Note 561: Introduction Positive to negative conversion (inverting output) is widely used in LCD devices, OLED displays, audio amplifiers, industrial machinery, semiconductor manufacturing process control equipment, measurement tools, testing systems, LED drivers and battery chargers. Many of these applications require ...

 

100V No-Opto Flyback Regulator Operates at 150°C Delivering up to 24W & Producing up to a 1kV Output Voltage

Mar 6th 2017
MILPITAS, CA – March 6, 2017 – Linear Technology Corporation announces the H-grade versions of the LT8304/-1, monolithic flyback regulators with guaranteed operation for junction temperatures as high as 150°C. By sampling the isolated output voltage directly from the primary-side flyback waveform, the part requires ...

 

Bidirectional Electronic Circuit Breaker Provides Comprehensive Protection Against Current & Voltage Faults

Mar 2nd 2017
MILPITAS, CA – March 2, 2017 – Linear Technology Corporation introduces the LTC4368, a circuit protection controller ensuring safe voltage and current levels for 2.5V to 60V electronics in battery-powered automotive, industrial and portable systems. The LTC4368 replaces fuses, transient voltage suppressors and discrete ...

 

Isolated Anyside Switch Controller Protects & Monitors Up to 1000VDC Power Supplies

Feb 27th 2017
MILPITAS, CA – February 27, 2017 – Linear Technology Corporation introduces the LTM9100 µModule® (micromodule), an all-in-one Isolated Anyside™ switch controller that protects and monitors high voltage DC power supplies up to 1000V. High voltage supplies used in industrial, datacom, avionic and medical ...

 

DC2129A - LTC3119 Demo Board | Sync Buck-Boost, 2.5V ≤ VIN ≤ 18V, VOUT = 5V @ Up to 5A

Feb 24th 2017
Demonstration circuit 2129A features the LTC®3119, an 18V, 5A synchronous buck/boost DC/DC converter. The DC2129A has been designed for an input voltage range of 2.5V to 18V with an output voltage (VOUT) set to 5V. For VIN > 5V the output current can be as high as 5A. The unique 4-switch, single inductor architecture ...

 

DC2111A-B - LTC3774EUHE Demo Board | Sync Buck Controller, 4-Phase (LTC3774 x2), 10V ≤ VIN ≤ 14V, Vout = 1.2V @ 120A

Feb 22nd 2017
Demonstration circuit DC2111A-B features the LTC®3774 in a 4-phase, high output current step-down converter with sub-mΩ DCR sensing. This high performance, high efficiency converter provides 1.2V @ 120A and operates at a switching frequency of 400kHz over an input voltage range of 10V to 14V. The 5mm × 5mm DrMOS ...

 

DC2518A - LTC2975 Demo Board: +/- 12V, +/- 48V Power Supply Management [requires DC1613]

Feb 21st 2017
The DC2518A is a demonstration system for the LTC®2975 Power System Manager that interfaces to various regulators. The board contains all the circuitry needed to use the LTC2975 in a power system and control four power supplies. The four power supplies include linear and switching regulators for the purpose of demonstrating ...

 

Quad 3A, Ultrathin uModule Regulator Fits on the Backside of PCB

Richard Ying - µModule® Regulator Design Engineer Feb 17th 2017
The LTM4643 is a quad output step-down µModule® (power module) regulator, configurable as a single output (12A), dual (6A & 6A or 9A & 3A), or quad (3A each) regulator in a 9mm x 15mm x 1.82mm ultrathin LGA package. This flexibility enables system designers to rely on one simple and compact µModule ...

 

DC1812A-B - LTC2944 Demo Board | 60V Battery Gas Gauge (req. DC2026)

Feb 15th 2017
Demonstration circuit 1812A-B features the LTC2944. Demonstration circuit 1812A-C features the LTC2943-1. The LTC2943/LTC2943-1 has an operating range of 3.6V to 20V, while the LTC2944 has an operating range of 3.6V to 60V, making all three devices perfectly suited for multicel battery applications. A precision analog coulomb ...

 

DC2230A-B - LTM4636-1 Demo Board | Buck μModule Regulator with OV/Temp Protection, Stacked Inductor; 4.7V ≤ VIN ≤ 15V, Vout = 1V @ 40A

Feb 15th 2017
Demonstration circuit 2230A-B features the LTM®4636-1EY, a 40A high efficiency, switch mode step-down power μModule® regulator with overtemperature and input/output overvoltage protection. The input voltage range is from 4.7V to 15V. For a 4.7V to 5.5V input voltage range, short PVCC pin to the VIN pin with R8 = R21 ...

 

DC2111A-A - LTC3774EUHE Demo Board | Sync Buck Controller, 4-Phase (LTC3774 x2), 10V ≤ VIN ≤ 14V, Vout = 1.2V @ 90A

Feb 13th 2017
Demonstration circuit DC2111A-A features the LTC®3774 in a 4-phase, high output current step-down converter with sub-mΩ DCR sensing. This high performance converter provides 1.2V @ 90A with N+1 MOSFET failure protection and operates at a switching frequency of 400kHz over an input voltage range of 10V to 14V. The 5mm ...

 

DC2434A - LTC3864 Demo Board | Buck Controller, 12V ≤ VIN ≤ 60V, Vout = 12V @ 5A

Feb 13th 2017
Demonstration circuit 2434A is a high voltage, current mode DC/DC step-down converter featuring the LTC®3864. The board operates from an input range of 6V to 60V and provides a 12V, 5A output when the input exceeds 12V. The PMOSFET architecture allows it to operate seamlessly up to 100% duty cycle and function as a saturated ...

 

DC765B - LT3479EDE Demo Board | Positive/ Negative Converter (LT3479 x2), Boost: 2.5V ≤ VIN ≤ 4.2V, Vout=7V@600mA, Inverter: 2.5V ≤ VIN ≤ 12V, Vout=-5V@600mA

Feb 9th 2017
Demonstration circuit 765B is a general purpose 1MHz, positive and negative converters featuring the LT3479EDE. The demo circuit demonstrates small size and low component count in a boost circuit and an inverting circuit. The boost converter is set up to convert a 2.5V to 4.2V input to 7V output at 600mA. The inverting circuit ...

 

100V No-Opto Flyback Regulator Delivers 5 Watts in SOT-23 Package & Operates at 150°C

Feb 9th 2017
MILPITAS, CA – February 9, 2017 – Linear Technology Corporation announces the H-grade version of the LT8303, a monolithic flyback regulator with guaranteed operation for junction temperatures as high as 150°C. By sampling the isolated output voltage directly from the primary-side flyback waveform, the part requires ...

 

40A Scalable μModule Regulator Protects Load by Tripping Upstream Power Source

Feb 8th 2017
MILPITAS, CA – February 8, 2017 – Linear Technology Corporation introduces the LTM4636-1, a 40A to 240A scalable step-down µModule switching regulator. The part incorporates protection circuitry that trips a circuit breaker in the event of overvoltage or overtemperature fault conditions to protect itself, the ...

 

560V No-Opto Flyback Regulator Delivers Up to 15 Watts in High Voltage Spacing TSSOP Package

Feb 7th 2017
MILPITAS, CA – February 7, 2017 – Linear Technology Corporation announces the LT8315, a high voltage monolithic flyback regulator that simplifies the design of an isolated DC/DC converter. By sampling the reflected isolated output voltage across the third winding on the power transformer, the part requires no opto-isolator ...

 

Power over Ethernet IC Delivers 123W over 1Gbps CAT5e Cable

Feb 6th 2017
MILPITAS, CA – February 6, 2017 – Linear Technology Corporation introduces the LTC4279 single port Power over Ethernet (PoE) controller for power sourcing equipment (PSE), delivering up to 123W of power over CAT-5e cable for power-hungry applications. Demand for higher power delivery comes from a widespread set of ...

 

60V I²C Battery Monitor Measures State of Charge Parameters with 1% Accuracy

Jan 30th 2017
MILPITAS, CA – January 30, 2017 – Linear Technology Corporation introduces the LTC2944 multicell battery monitor, which makes direct measurements of 3.6V to 60V battery stacks. Absolutely no level shifting circuitry on the supply and measurement pins is required to interface with multicell voltages, so total current ...

 

LT4320 LT4320 Ideal Diode Bridge

Jan 27th 2017
The LT®4320/LT4320-1 are ideal diode bridge controllers that drive four N-channel MOSFETs, supporting voltage rectification from DC to 600Hz typical. By maximizing available voltage and reducing power dissipation (see thermograph comparison below), the ideal diode bridge simplifies power supply design and reduces power ...

 

DC2337A - LT8315EFE Isolated Demo Board | Offline Flyback, 90VAC ≤ VIN ≤ 265VAC, VOUT = 12V @ 0.55A

Jan 27th 2017
Demonstration circuit 2337A is an offline isolated flyback converter featuring LT®8315. The demo board outputs 12V, and maintains tight regulation with a load current from 4mA to 0.55A. It is optimized to operate over a wide AC input voltage range (90VAC to 265VAC, 47Hz to 63Hz). Output voltage accuracy stays within ±5% ...

 

DC536B-A - LTC4211CMS Demoboard | 7A Electronic Circuit Breaker and Hot Swap Controller

Jan 27th 2017
Demonstration circuit 536B is a hot swap controller with multifunction current control featuring the LTC®4211. The DC536B-A is configured to operate with up to 7A load and DC536B-B up to 20A load. ...

 

DC569B - LTC4054ES5-4.2 | Li-Ion Linear Battery Charger, 4.25V ≤ VIN ≤ 10V, 1-Cell @ 450mA/600mA ICHARGE

Jan 26th 2017
Demonstration circuit 569 is a single cell Li-Ion linear charger in a SOT-23. Charge rates as high as 600mA can be achieved due to the LTC®4054’s internal die temperature control loop that prevents excessive PCB heating under worst-case conditions. The user is provided with a control jumper to select between OFF/450mA/600mA ...

 

Maximizing Cell Monitoring Accuracy and Data Integrity in Energy Storage Battery Management Systems

Mike Kultgen - Design Director
Greg Zimmer - Senior Product Marketing Engineer Jan 24th 2017
Grid-connected battery arrays are viable backup and carry-through power sources; application-specific measurement ICs which meet their unique and sophisticated requirements ensure reliable system performance. The use of large-scale battery arrays for backup and carry-through energy storage is getting increasing attention, as ...

 

High Efficiency, 15V Rail-to-Rail Output Synchronous Step-Down Regulator Can Source or Sink 5A

Tim Kozono - Applications Engineer Jan 23rd 2017
Design Note 560: Introduction The LTC®3623 is a high efficiency, monolithic synchronous step-down regulator capable of sourcing or sinking up to 5A of continuous output current from an input voltage range of 4V to 15V. Its compact 3mm × 5mm QFN package incorporates an abundance of features including a low EMI Silent ...

 

DC2457A - LT8390 Demo Board | Sync Buck-Boost Controller, 4V ≤ VIN ≤ 60V, VOUT = 12V @ 4A (Fsw=400kHz)

Jan 20th 2017
Demonstration circuit DC2457A is a 12V, 4A, 4-switch synchronous buck-boost regulator featuring low EMI noise and small footprint. It runs at 400kHz switching frequency. Spread spectrum frequency modulation (SSFM) can be turned on with a simple jumper, reducing EMI. DC2457A also comes with other low EMI features including optimized ...

 

DC2539A-A - LT4295/LT4321 Demo Board | PoE++ (51W, 12V/3.9A) PD with Flyback DC/DC and Ideal Diode Bridge

Jan 19th 2017
Demonstration circuit 2539A is an IEEE802.3bt (Draft 2.1) compliant Power over Ethernet (PoE) Powered Device (PD). It features the LT®4295 PD interface and switching regulator controller and the LT4321 PoE ideal diode bridge controller. ...

 

DC2476A-A - LT4295/LT4321 Demo Board | PoE++ (62W/24V/2.7A or 71W/24V/2.4A) PD with Flyback DC/DC and Ideal Diode Bridge

Jan 19th 2017
Demonstration Circuit 2476A is an IEEE 802.3bt (Draft 2.2) compliant power over ethernet (PoE) powered device (PD). It features the LT®4295 PD interface and switching regulator controller and the LT4321 PoE ideal diode bridge controller. ...

 

LT8315 12V High Input Voltage Isolated Flyback Converter

Jan 19th 2017
The LT®8315 is a high voltage flyback converter with integrated 630V/300mA switch. No opto-isolator is needed for regulation. The device samples the output voltage from the isolated flyback waveform appearing across a third winding on the transformer. Quasi-resonant boundary mode operation improves load regulation, reduces ...

 

LT8315 Wide Input Range Non-Isolated 12V Buck Converter

Jan 19th 2017
The LT®8315 is a high voltage flyback converter with integrated 630V/300mA switch. No opto-isolator is needed for regulation. The device samples the output voltage from the isolated flyback waveform appearing across a third winding on the transformer. Quasi-resonant boundary mode operation improves load regulation, reduces ...

 

LT8315 83% Efficiency 5V/1.5A Isolated Flyback Converter

Jan 19th 2017
The LT®8315 is a high voltage flyback converter with integrated 630V/300mA switch. No opto-isolator is needed for regulation. The device samples the output voltage from the isolated flyback waveform appearing across a third winding on the transformer. Quasi-resonant boundary mode operation improves load regulation, reduces ...

 

LT8315 85% Efficient Universal Input Offline Power Supply

Jan 19th 2017
The LT®8315 is a high voltage flyback converter with integrated 630V/300mA switch. No opto-isolator is needed for regulation. The device samples the output voltage from the isolated flyback waveform appearing across a third winding on the transformer. Quasi-resonant boundary mode operation improves load regulation, reduces ...

 

DC2123B - LT3790 Demo Board | Sync Buck-Boost, 8V ≤ VIN ≤ 56V, Vout = 24V at up to 5A

Jan 18th 2017
The DC2123B is a 60V four-switch synchronous buck-boost controller that demonstrates the high power capability of the LT®3790. The output is 24V and the maximum output current is 5A. The switching frequency is 200kHz and efficiency is as high as 98% for a 24V input. The LT3790 is capable of high power operation. DC2123B ...

 

LTC3119 3.3V,1.5MHz Wide Input Regulator

Jan 18th 2017
The LTC®3119 is a high efficiency 18V monolithic buck-boost converter that can deliver up to 5A of continuous output current. Extensive feature integration and very low resistance internal power switches minimize the total solution footprint for even the most demanding applications. A proprietary 4-switch PWM architecture ...

 

LTC3119 5V, 2MHz Wide Input Regulator

Jan 18th 2017
The LTC®3119 is a high efficiency 18V monolithic buck-boost converter that can deliver up to 5A of continuous output current. Extensive feature integration and very low resistance internal power switches minimize the total solution footprint for even the most demanding applications. A proprietary 4-switch PWM architecture ...

 

LTC3119 12V, 2MHz Wide Input Regulator

Jan 18th 2017
The LTC®3119 is a high efficiency 18V monolithic buck-boost converter that can deliver up to 5A of continuous output current. Extensive feature integration and very low resistance internal power switches minimize the total solution footprint for even the most demanding applications. A proprietary 4-switch PWM architecture ...

 

LTC3119 12V, 750kHz Regulator with Input Supply Rundown

Jan 18th 2017
The LTC®3119 is a high efficiency 18V monolithic buck-boost converter that can deliver up to 5A of continuous output current. Extensive feature integration and very low resistance internal power switches minimize the total solution footprint for even the most demanding applications. A proprietary 4-switch PWM architecture ...

 

LTC3119 Photovoltaic Panel Input Lead-Acid Charger with Temperature Correction (1MHz)

Jan 18th 2017
The LTC®3119 is a high efficiency 18V monolithic buck-boost converter that can deliver up to 5A of continuous output current. Extensive feature integration and very low resistance internal power switches minimize the total solution footprint for even the most demanding applications. A proprietary 4-switch PWM architecture ...

 

DC2541A - LTC4279 Demo Board | Single Port PoE/PoE+/LTPoE++ PSE Controller (Up to 123W)

Jan 17th 2017
Demonstration circuit 2541A features the LTC®4279, an autonomous single port Power Sourcing Equipment (PSE) controller for use in IEEE 802.3at Type 1, Type 2 and LTPoE++® compliant Power over Ethernet (PoE) systems. The LTC4279 simplifies IEEE and LTPoE++ PSE implementation, requiring only a 45-57V supply and a small ...

 

LT8630 –15V, 300mA Step-Down Converter

Jan 17th 2017
The LT®8630 is a current mode PWM step-down DC/DC converter with internal synchronous switches that provide current for output loads up to 0.6A. The wide input range of 3V to 100V makes the LT8630 suitable for regulating power from a wide variety of sources, including automotive and industrial systems and 36V to 72V telecom ...

 

LT8630 High Efficiency 100Vin, 12Vout Step-Down Converter

Jan 17th 2017
The LT®8630 is a current mode PWM step-down DC/DC converter with internal synchronous switches that provide current for output loads up to 0.6A. The wide input range of 3V to 100V makes the LT8630 suitable for regulating power from a wide variety of sources, including automotive and industrial systems and 36V to 72V telecom ...

 

LT8630 100Vin, 28Vout Step-Down Converter

Jan 17th 2017
The LT®8630 is a current mode PWM step-down DC/DC converter with internal synchronous switches that provide current for output loads up to 0.6A. The wide input range of 3V to 100V makes the LT8630 suitable for regulating power from a wide variety of sources, including automotive and industrial systems and 36V to 72V telecom ...

 

LT8630 6.5V to 100Vin, 5Vout/0.6A Step-Down Converter

Jan 17th 2017
The LT®8630 is a current mode PWM step-down DC/DC converter with internal synchronous switches that provide current for output loads up to 0.6A. The wide input range of 3V to 100V makes the LT8630 suitable for regulating power from a wide variety of sources, including automotive and industrial systems and 36V to 72V telecom ...

 

LTM4647 Typical 6V to 15V Input 1.0V at 30A Output Design

Jan 17th 2017
The LTM®4647 is a complete 30A output switching mode step-down DC/DC μModule® (power module) regulator. Included in the package are the switching controller, power FETs, inductor and all supporting components. Operating over an input voltage range of 4.7V to 15V, the LTM4647 supports an output voltage range of 0.6V ...

 

LTM4647 Typical 4.7V to 5.5V Input 1.2V at 30A Output Design

Jan 17th 2017
The LTM®4647 is a complete 30A output switching mode step-down DC/DC μModule® (power module) regulator. Included in the package are the switching controller, power FETs, inductor and all supporting components. Operating over an input voltage range of 4.7V to 15V, the LTM4647 supports an output voltage range of 0.6V ...

 

LTM4647 6V to 15V Input, 1.0V Output at 60A

Jan 17th 2017
The LTM®4647 is a complete 30A output switching mode step-down DC/DC μModule® (power module) regulator. Included in the package are the switching controller, power FETs, inductor and all supporting components. Operating over an input voltage range of 4.7V to 15V, the LTM4647 supports an output voltage range of 0.6V ...

 

LTM4647 6V to 15V Input, 1.0V and 1.2V Output with Tracking

Jan 17th 2017
The LTM®4647 is a complete 30A output switching mode step-down DC/DC μModule® (power module) regulator. Included in the package are the switching controller, power FETs, inductor and all supporting components. Operating over an input voltage range of 4.7V to 15V, the LTM4647 supports an output voltage range of 0.6V ...

 

LTM4647 3-Phase 1V at 90A Design with Extra 1 Phase 30A Redundancy

Jan 17th 2017
The LTM®4647 is a complete 30A output switching mode step-down DC/DC μModule® (power module) regulator. Included in the package are the switching controller, power FETs, inductor and all supporting components. Operating over an input voltage range of 4.7V to 15V, the LTM4647 supports an output voltage range of 0.6V ...

 

LTM4647 4-Phase 6-15Vin, 1Vout at 120A Step Down uModule Design

Jan 17th 2017
The LTM®4647 is a complete 30A output switching mode step-down DC/DC μModule® (power module) regulator. Included in the package are the switching controller, power FETs, inductor and all supporting components. Operating over an input voltage range of 4.7V to 15V, the LTM4647 supports an output voltage range of 0.6V ...

 

LTC3897 High Efficiency 2-Phase 24V Boost Converter with In-Rush Current Control, Overcurrent Protection, Input Voltage Surge Protection and Reverse Input Protection

Jan 17th 2017
The LTC®3897 is a synchronous boost DC/DC controller with surge stopper and ideal diode controller. ...

 

LTC3897 High Efficiency 2-Phase 48V Boost Converter with Reverse Input Protection (Surge Stopper Controller Not Used)

Jan 17th 2017
The LTC®3897 is a synchronous boost DC/DC controller with surge stopper and ideal diode controller. ...

 

LTC3897 High Efficiency 2-Phase 48V Boost Converter with Overcurrent Protection (Ideal Diode and Surge Stopper Controllers at the Output)

Jan 17th 2017
The LTC®3897 is a synchronous boost DC/DC controller with surge stopper and ideal diode controller. ...

 

LTC3897 Nonsynchronous 107V/1.5A 2-Phase Boost Converter with In-Rush Current Control, Overcurrent Protection, Input Voltage Surge Protection and Reverse Input Protection

Jan 17th 2017
The LTC®3897 is a synchronous boost DC/DC controller with surge stopper and ideal diode controller. ...

 

Multiphase 60V Synchronous Boost Controller Provides up to 97% Efficiency with Input & Output Protection

Jan 10th 2017
MILPITAS, CA – January 10, 2017 – Linear Technology Corporation announces the LTC3897, a multiphase synchronous boost DC/DC controller with input surge stopper and ideal diode controller. The boost controller drives two N-channel power MOSFET stages out-of-phase to reduce input and output capacitor requirements, ...

 

DC2344A - Gleanergy Multi-Source Energy Harvesting Demo Board with Battery Chargers and Life-Extenders for Use with DC2321A Dust Demo Board

Jan 4th 2017
Demonstration circuit 2344A development platform is a versatile Energy Harvesting Demo Board that is capable of accepting solar, thermal, and piezoelectric energy sources or any high impedance AC or DC source. The board contains four independent power circuits consisting of the following EH ICs: LTC3106:  “300mA, ...

 

Linear Technology Demonstrates Breakthrough Wireless Battery Management System in BMW i3 at CES

Jan 4th 2017
MILPITAS, CA – January 4, 2017 – Linear Technology, the leading provider of battery stack monitoring ICs for electric and hybrid/electric vehicles, is demonstrating the industry’s first wireless automotive battery management system (BMS) concept car at the Consumer Electronics Show this week in Las Vegas (Booth ...

 

DC2493A - LTC3892EUH-2 Demo Board | 2-Phase Sync Buck Controller, 16V ≤ VIN ≤ 55V; VOUT = 12V @ 30A

Jan 3rd 2017
Demonstration circuit 2493A is a high output voltage capable, high efficiency synchronous PolyPhase® buck converter featuring the LTC®3892EUH-2. The DC2493A has a wide input voltage range from 16V to 55V, and is capable of delivering up to 30A of output current. The output voltage of the DC2493A is set to 12V, however, ...

 

DC2454A - LTC3887EUJ-1/LTC3870EUF-1 Demo Board | Dual Phase PMBus Buck Controller with Slave Controller, 7V ≤ VIN ≤ 14V, 0.8V ≤ VOUT ≤ 1.8V @ 100A

Dec 19th 2016
Demonstration circuit 2454A is a high current, high efficiency, poly-phase synchronous buck converter featuring the LTC®3887EUJ-1, a dual-phase current mode controller, and the LTC3870EUF-1, a dual-phase slave controller. The LTC3887-1 has the PMBus interface and the power system management functions. ...

 

DC2043B - LTC3305EFE Demo Board | Lead Acid Battery Balancer for 2-4 Cells

Dec 15th 2016
Demonstration circuit 2043B is a lead-acid battery balancer featuring the LTC®3305. The LTC3305 balances up to four lead-acid batteries connected in series and incorporates all voltage monitoring, gate drive and fault detection circuitry. The LTC3305 employs an auxiliary battery or an alternative storage means to transfer ...

 

DC2475A-A - LT4295/LT4321 Demo Board | PoE++ (40W, 12V/3A) PD with Flyback DC/DC and Ideal Diode Bridge

Dec 13th 2016
Demonstration circuit 2475A-A is an IEEE802.3bt (Draft 2.0) compliant Power over Ethernet (PoE) powered device (PD). It features the LT®4295 PD interface and switching regulator controller with the LT4321 PoE ideal diode bridge controller. ...

 

DC2047A-A - LT4276B/LT4321 Demo Board | PoE+ (25W, 12V/1.9A) PD with DC/DC, Ideal Diode Bridge and 9V-57V AUX

Dec 13th 2016
Demonstration circuit 2047A-A is an IEEE802.3at compliant Power over Ethernet (PoE) Powered Device (PD) with support for 9-57VDC and 24VAC auxiliary supply input. It features the LT®4276 PD interface and switching regulator controller, the LT4321 PoE ideal diode bridge controller, and the LT4320 ideal diode bridge controller. ...

 

Dual Input Prioritizers with Built-In Battery Monitoring

Rajesh Venugopal - Sr Design Engr Dec 8th 2016
Selecting the appropriate input supply to power a system with multiple input power sources is not a trivial task. This video discusses challenges associated with the supply selection process, also known as prioritization. The LTC4419 and its features are introduced to show case how the product solves key prioritization challenges ...

 

DC2230A-A - LTM4636 Demo Board | Buck μModule Regulator, Stacked Inductor, 4.7V ≤ VIN ≤ 15V, Vout = 0.6V to 3.3V @ 40A

Dec 2nd 2016
Demonstration circuit 2230A-A features the LTM®4636EY, a 40A high efficiency, switch mode step-down power μModule® regulator. The input voltage range is from 4.7V to 15V. For input voltage range from 4.7V to 5.5V, short PVCC pin to VIN pin with R8 = R21 = 0Ω and remove R17. The output voltage range is 0.6V to ...

 

DC2479A-B - LTM4650EY-1 Demo Board | Dual Phase Buck μModule Regulator, 4.5V ≤ VIN ≤ 15V, Vout = 0.6V to 1.8V @ 50A

Dec 2nd 2016
Demonstration circuit 2479A-B features the LTM®4650EY-1, the high efficiency, high density, dual 25A, single 50A switch mode step-down power module regulator with external compensation. The input voltage is from 4.5V to 15V. The output voltage is programmable from 0.6V to 1.8V. DC2479A-B is configured as dual-phase, single-output, ...

 

DC2479A-A - LTM4650EY Demo Board | Dual Phase Buck μModule Regulator, 4.5V ≤ VIN ≤ 15V, Vout = 0.6V to 1.8V @ 50A

Dec 2nd 2016
Demonstration circuit 2479A-A features the LTM®4650EY, the high efficiency, high density, dual 25A, single 50A switch mode step-down power module regulator. The input voltage is from 4.5V to 15V. The output voltage is programmable from 0.6V to 1.8V. DC2479A-A is configured as dual-phase, single-output, which can deliver ...

 

DC2108A - LTC3897 Demo Board | Sync Boost Controller, 16V ≤ VIN ≤ 55V,Vout = 48V @ 4A to 12A

Nov 30th 2016
Demonstration circuit DC2108 is DC/DC boost converter featuring the LTC®3897 constant frequency current mode boost controller. The DC2108A operates over a 16V to 55V input and provides 4A to 12A of output current as shown in Figure 3. The 160kHz (2 •160kHz at the output) constant frequency operation results in a small ...

 

DC2199B-C - LTC3765EMSE/LTC3766EGN Isolated Demo Board | Forward Converter with Sync Rectification, 36V ≤ VIN ≤ 60V; VOUT = 56V @ 5.4A

Nov 29th 2016
Demonstration circuit 2199B-C is a 300W isolated forward converter with synchronous rectification featuring the LTC3765/LTC3766 chip-set. It produces a regulated 56V, 5.4A output from an input voltage range of 36V to 60V. ...

 

DC2131A - LTC3623 Demo Board | Silent Switcher Sync Buck, 4V ≤ VIN ≤ 15V, Vout = 1V/1.5V/2.5V/3.3V/5V @ ±5A

Nov 29th 2016
Demonstration circuit 2131A is a current mode DC/DC step-down Silent Switcher® buck regulator featuring the LTC®3623. The board operates from an input range of 4V to 15V, and provides ±5A of output current. The output voltage of the demonstration board can be set from 0V to VIN – 0.5V. It operates at 1MHz ...

 

40A μModule Regulator with 3D Stacked-Inductor Packaging Enhances Thermal Conduction for Cooler Operation

Nov 28th 2016
MILPITAS, CA – November 28, 2016 – Linear Technology Corporation introduces the LTM4636, a 40A step-down µModule® switching regulator with 3D construction for quicker heat dissipation and cooler operation in a small package. By stacking its inductor on top of a 16mm x 16mm BGA package, the LTM4636 benefits ...

 

DC1356A - LTC1645CS8 Demoboard | 2-Supply Hot Swap Controller and Sequencer [5V/5A, 3.3V/7A]

Nov 23rd 2016
Demonstration circuit 1356A is a dual hot swap circuit featuring the LTC®1645 dual-channel hot swap controller/ power sequencer. ...

 

60V Synchronous 4-Switch Buck-Boost Controller with Spread Spectrum

Nov 23rd 2016
MILPITAS, CA – November 23, 2016 – Linear Technology announces the LT8390, a synchronous buck-boost DC/DC controller that can regulate output voltage, and input or output current from input voltages above, below and equal to the output voltage. Its 4V to 60V input voltage range and 0V to 60V output voltage range ...

 

Switch Mode Power Supply Current Sensing - Part 3: Current Sensing Methods

Henry Zhang - Applications Engineering Manager
Kevin B. Scott - Senior Strategic Marketing Engineer Nov 22nd 2016
The three commonly employed current sensing methods for switch mode power supplies are: are using a sense resistor, using the MOSFET RDS(ON) and using the DC resistance (DCR) of the inductor. Each method offers advantages and disadvantages that should be considered when selecting one method over another.  Sense Resistor ...

 

100V, 600mA, Synchronous Step-Down Delivers Over 93% Efficiency

Nov 21st 2016
MILPITAS, CA – November 21, 2016 – Linear Technology Corporation announces the LT8630, a 600mA, 100V input capable synchronous step-down switching regulator. Synchronous rectification delivers efficiency as high as 93% while Burst Mode® operation keeps quiescent current under 7µA in no-load standby conditions. ...

 

Switch Mode Power Supply Current Sensing - Part 1: The Basics

Henry Zhang - Applications Engineering Manager
Mike Shriver - Senior Applications Engineer
Kevin B. Scott - Senior Strategic Marketing Engineer Nov 20th 2016
Current mode control is widely used for switching mode power supplies due to its high reliability, simple loop compensation design, and simple and reliable load sharing capability. The current sense signal is an essential part of a current mode switch mode power supply design; it is used to regulate the output and also provides ...

 

LTM4647 4 Phase 1V at 120A Design

Nov 17th 2016
The LTM®4647 is a complete 30A output switching mode step-down DC/DC μModule® (power module) regulator. Included in the package are the switching controller, power FETs, inductor and all supporting components. Operating over an input voltage range of 4.7V to 15V, the LTM4647 supports an output voltage range of 0.6V ...

 

Low EMI LED Driver with Synchronous Internal 2A Switches

Keith Szolusha - Applications Engineering Section Leader Nov 17th 2016
The LT3922 40V, synchronous, Silent Switcher low EMI LED driver meets the demands of the next generation of LED systems. These LED drivers require more features and higher performance than ever before. Higher efficiency prolongs battery life and reduces heat in space-constrained applications. Wide voltage ranges are needed ...

 

30A, Scalable to 180A, μModule Regulator in 9mm x 15mm BGA Package

Nov 16th 2016
MILPITAS, CA – November 16, 2016 – Linear Technology introduces the LTM4647, a 30A step-down µModule (power module) regulator. The LTM4647 includes the inductor, MOSFET, DC/DC controller and supporting components in a 9mm x 15mm x 5.01mm BGA package. The device’s conversion efficiency from 12VIN to 1VOUT ...