Solutions Search - Extended Temperature (H & MP) 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 ...
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 ...
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 ...
Maximizing Cell Monitoring Accuracy and Data Integrity in Energy Storage Battery Management Systems
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 ...
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.
...
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.
...
Clever Circuit Improves Efficiency of Charge Pump Plus Linear Regulator Solution
Oct 4th 2016
In some systems, a charge pump plus linear regulator combination is preferred over an inductor-based switching power supply (with or without a post-regulating linear regulator) for several reasons: design simplicity, less radiated EMI, inductor-phobia, etc. For these applications, Linear Technology has a growing number ...
DC2375A - LTC3256 Demo Board | Dual Output Step-Down Charge Pump Plus LDO, 5.5V ≤ VIN ≤ 38V, Vout1 = 5V @ 100mA, Vout2 = 3.3V @ 250mA
Sep 20th 2016
Demonstration Circuit 2375A is a dual output 350mA step down charge pump with a post-regulator LDO and watchdog timer featuring the LTC®3256EMSE. The LTC3256 operates with a wide input voltage range from 5.5V to 38V and is engineered for diagnostic coverage in ISO262262 systems. The LTC3256 can provide up to 350mA of output ...
LTC3245 High Efficiency 3.3V Microcontroller Supply from 9V Alkaline (with Power-On Reset Delay)
Sep 2nd 2016
The LTC3245 is a switched capacitor buck-boost DC/DC converter that produces a regulated output (3.3V, 5V or adjustable) from a 2.7V to 38V input. The device uses switched capacitor fractional conversion to maintain regulation over a wide range of input voltage. Internal circuitry automatically selects the conversion ratio ...
LTC3245 Wide Input Range Low Noise 3.6V Supply
Sep 2nd 2016
The LTC3245 is a switched capacitor buck-boost DC/DC converter that produces a regulated output (3.3V, 5V or adjustable) from a 2.7V to 38V input. The device uses switched capacitor fractional conversion to maintain regulation over a wide range of input voltage. Internal circuitry automatically selects the conversion ratio ...
LTC3245 Wide VIN 5V Supply with Battery Backup
Sep 2nd 2016
The LTC3245 is a switched capacitor buck-boost DC/DC converter that produces a regulated output (3.3V, 5V or adjustable) from a 2.7V to 38V input. The device uses switched capacitor fractional conversion to maintain regulation over a wide range of input voltage. Internal circuitry automatically selects the conversion ratio ...
LTC3261 15V to –15V Inverter
Sep 2nd 2016
The LTC®3261 is a high voltage inverting charge pump that operates over a wide 4.5V to 32V input range and is capable of delivering up to 100mA of output current.
...
LTC3261 24V to –24V 100mA Inverter
Sep 2nd 2016
The LTC®3261 is a high voltage inverting charge pump that operates over a wide 4.5V to 32V input range and is capable of delivering up to 100mA of output current. ...
LT8391 93% Efficient 84W Buck-Boost LED Driver from 24VAC
Sep 2nd 2016
The LT®8391 is a synchronous 4-switch buck-boost LED controller that regulates LED current from input voltage above, below, or equal to the output voltage. The proprietary peak-buck peak-boost current mode control scheme allows adjustable and synchronizable 150kHz to 650kHz fixed frequency operation, or internal ±15% ...
Prioritized PowerPath Controllers; LTC4417/4419/4420 - Video Product Brief
Sep 1st 2016
PowerPath™ prioritizers are low operating current circuits that provide backup switchover power for keeping critical circuitry alive during brown out and power loss conditions based on a user-defined priority. Priority is defined by pin assignment, with V1 assigned the highest priority and V3 the lowest priority. ...
Surge Stoppers: Overvoltage & Overcurrent Protection ICs - Video Product Brief
Aug 25th 2016
Historically, overvoltage and overcurrent protection (e.g., load dump protection) was achieved using bulky capacitors, TVS diodes and fuses, but this discrete solution consumes a lot of real estate, and does not offer continuous operation through transient events. Linear Technology's family of High Voltage Surge ...
LTC4233/LTC4234 10A/20A Hot Swap Controllers with Guaranteed Safe Operating Area (SOA) - Video Product Brief
Aug 25th 2016
The LTC®4233 and LTC4234 are integrated solutions for Hot Swap™ applications that allow a board to be safely inserted and removed from a live backplane. The parts integrate a Hot Swap controller, power MOSFET and current sense resistor in a single package for small form factor applications. The MOSFET ...
Passive Battery Cell Balancing
Aug 18th 2016
In the automotive and transportation marketplace, large battery stacks provide high output power without producing harmful emissions (i.e. carbon monoxide and hydrocarbons) associated with gasoline-powered combustion engines. Ideally, each individual battery in the stack equally contributes to the system. However, when ...
Active Battery Cell Balancing
Aug 18th 2016
With passive and active cell balancing, each cell in the battery stack is monitored to maintain a healthy battery state of charge (SoC). This extends battery cycle life and provides an added layer of protection by preventing damage to a battery cell due to deep discharging over overcharging. Passive balancing results in all ...
LTC3130 Multiple VIN 5V Out Application, Using the LTC4412 PowerPath Controller
Aug 15th 2016
The LTC3130/LTC3130-1 are high efficiency, low noise, 600mA buck-boost converters with wide VIN and VOUT ranges. For high efficiency operation at light loads, BurstMode operation can be selected, reducing the quiescent current to just 1.6µA. Converter start-up is achieved from sources as low as 7.5µW. ...
High Voltage Dual Output Step-Down Charge Pump Offers Lower Power Dissipation with No Inductors
Aug 11th 2016
MILPITAS, CA – August 11, 2016 – Linear Technology Corporation announces the LTC3256, a highly integrated, high voltage low noise dual output power supply, which takes a single positive input and generates 5V and 3.3V step-down supplies with high efficiency and no inductors. The device features a wide 5.5V to 38V ...
LTC3256 High Efficiency Dual 5V/3.3V Output Power Supply
Jul 29th 2016
The LTC3256 is a wide input range switched capacitor step-down DC/DC converter that produces two regulated outputs: a 5V output via direct connection to the charge pump output, and a 3.3V output via a low dropout (LDO) linear post-regulator. The device provides up to 350mA of total output current. At 12V VIN and maximum load ...
No-Opto Isolated Flyback Converters
Jun 10th 2016
The no-opto isolated flyback parts from Linear need no opto-coupler or LT1431 shunt regulator for regulation. They sense the isolated output voltage directly from the primary-side waveform. This simplifies the design, allows for a smaller solution size and only requires one component crossing the isolation barrier. The load, ...
LTspice: Using Time-Dependent Exponential Sources to Model Transients
May 15th 2016
When working with Surge Stoppers or Hot Swap Controllers, occasionally there is a need to simulate a circuit's behavior with a specified voltage or current transient. These transients are usually modeled using a double exponential waveform characterized by a peak voltage, a rise time (usually 10%–90%), a fall time to 50% ...
Low Loss 3-Phase Ideal Diode Bridge Rectifier Reduces Heat, Easing Thermal Design
May 10th 2016
MILPITAS, CA -May 10, 2016 - Linear Technology Corporation
announces the availability of a low loss 3-phase ideal diode bridge
rectifier reference design, demonstrated on evaluation board
DC2465. Conventional
3-phase rectifiers employ six diodes, but the diodes drop voltage
and dissipate significant power at just a few amperes ...
DC2178A-B - LTC4380IDD-2 Demo Board | Low Quiescent Current Surge Stopper, Auto-Retry Version
May 5th 2016
Demonstration circuit 2178A showcases the LTC®4380 low quiescent current surge stopper in an application which can be configured for 12V, 1A or 24V/28V, 0.5A operation. The output voltage is clamped by the LTC4380, permitting the load to operate uninterrupted during transients of up to 250V and load dump surges such as ISO-16750-2 ...
DC2178A-A - LTC4380IDD-1 Demo Board | Low Quiescent Current Surge Stopper, Latchoff Version
May 5th 2016
Demonstration circuit 2178A showcases the LTC®4380 low quiescent current surge stopper in an application which can be configured for 12V, 1A or 24V/28V, 0.5A operation. The output voltage is clamped by the LTC4380, permitting the load to operate uninterrupted during transients of up to 250V and load dump surges such as ISO-16750-2 ...
Primer on PowerPath Controllers, Ideal Diodes & Prioritizers
Apr 29th 2016
Electronic systems powered by multiple DC sources are commonplace - they include handheld devices (USB port and battery), portable instruments (wall adapter and battery), and high-availability servers (main and redundant/auxiliary supply rails). Selecting the correct input supply to power the system is not a trivial ...
DC2175A - LT3752IFE/LT8311IFE Demo Board | Forward Converter with Sync Rectification, 9V ≤ VIN ≤ 36V; Vout = 12V @ 13A
Apr 27th 2016
Demonstration circuit 2175A is an active clamp forward converter with synchronous rectification featuring the LT®3752/LT8311 chipset.
This circuit was designed to demonstrate the high levels of performance, efficiency and high power. It operates at 200kHz and produces a regulated 12V, 13A output from a wide input voltage ...
Low Iq Surge Stopper for High Reliability Current Sensitive Applications
Apr 26th 2016
Protecting sensitive electronic circuitry from voltage transients is an essential part of any system, be it automotive, industrial, avionic or battery-powered portable applications. Linear Technology offers a wide variety of solutions for these applications with the Surge Stopper family. LTC4380 is the exciting new member ...
8μA IQ Surge Stopper Protects Electronic Systems from Overvoltage & Overcurrent Transients
Apr 25th 2016
MILPITAS, CA - April 25, 2016 - Linear Technology Corporation
introduces the LTC4380, an ultralow quiescent current (IQ) surge
stopper, providing compact overvoltage and overcurrent protection
for always-on 4V to 72V electronics in automotive, industrial and
avionic systems. The LTC4380 replaces traditional shunt circuits
composed ...
Hannover Messe: Scienlab presents solutions for BMS development based on Linear Technology BMS products
Apr 25th 2016
Hannover, Germany, April 25, 2016 - Scienlab will present its engineering services and products for the entire development chain of battery management systems (BMS) at Hannover Messe, Linear Technology Stand H23, Hall 9.
In addition to its energy storage test system for characterization of cells, Scienlab will also present ...
DC2465A - LT4320IDD-1 3-Phase Ideal Diode Bridge Rectifier [9VAC to 48VAC L-L, 25A]
Apr 8th 2016
Demonstration circuit 2465A is a 3-phase ideal diode bridge using three LT®4320 controllers and six N-channel FETs. This demo board provides highly efficient 3-phase rectification with an input voltage range from 5VAC to 28VAC RMS (line to neutral) and maximum load current of 25A.
...
DC2100B-C - 12 Cell 4A Controller Board. Bi-Directional Active Cell Balancer with LTC3300-1, LTC6804-2 & LTC6820
Mar 29th 2016
Demonstration Circuit DC2100B-D is a stackable, bidirectional cell balancer slave board using the LTC6804-2 and the LTC®3300-1 ICs to achieve active balancing of up to 12 Li-Ion cells. It requires the DC2100B-C for proper operation. The DC2100B-D uses a single LTC6804-2 Multi-Cell Addressable Battery Stack Monitor IC to ...
LTSpice: Plotting a Parameter Against Something Other Than Time (e.g. Resistance)
Mar 25th 2016
A common use for LTSpice® is to run a time domain transient analysis where a parameter (e.g. voltage or current) can be plotted against time. Occasionally, you may wish to know the behavior of a circuit versus another parameter such as resistance. This can be done by using the “.measure” and “.step” ...
A New Era in Space Products - Radiation Tolerant
Mar 23rd 2016
Recent developments have made doing business in space ever more achievable to a broadening base of companies. A market previously consisting solely of major defense contractors and national governments has been disrupted by a growing list of commercial companies determined to deploy an enterprise beyond the confines of our ...
Powering Altera Arria 10 FPGA and Arria 10 SoC: Tested and Verified Power Management Solutions
Feb 19th 2016
Design Note DN549: Introduction
FPGA development kits allow system developers to evaluate an FPGA without having to design a complete system. Figures 1 and 2 show Altera’s new 20nm Arria 10 FPGAs and Arria 10 SoCs (System-on-Chip) development boards. These boards are tested and verified by Altera, exemplifying best design ...
DC1823B - LT4320IDD Demo Board | 1.2kW Ideal Diode Bridge Full-Wave Rectifier [9V to 40V, 30A]
Feb 10th 2016
Demonstration circuit 1823B features the LT®4320, an ideal diode bridge controller suitable for applications that require high current AC to DC full-wave rectification or DC polarity correction. With an AC input, the input voltage range is 12VAC to 24VAC, the output voltage can be as high as 70V, and the output current ...
DC2392A - LTC7860EMSE Demo Board | Switching Surge Stopper, 7V ≤ VIN ≤ 100V; 7V ≤ VOUT ≤ 35V @ 10A
Jan 8th 2016
Demonstration circuit 2392A is a high efficiency switching surge stopper featuring the LTC®7860. The board operates from an input range of 7V to 100V, and provides a 7V to 34V output at 0A to 10A. Its output is current limited. A soft-start feature controls output voltage slew rate at startup, reducing current surge and ...
DC2417A-B - LTC4367IMS8-1 Demo Board | UV, OV and Reverse Supply Protection with 0.5ms Fault Recovery
Dec 16th 2015
Demonstration circuit 2417A is intended to demonstrate the performance of the LTC4367 100V overvoltage (OV), undervoltage (UV), and reverse supply protection controller.
This controller protects circuits from input voltages that may be too high, too low or negative. It operates by controlling the gates of two back-to-back connected ...
DC2417A-A - LTC4367IMS8 Demo Board | UV, OV and Reverse Supply Protection with 32ms Fault Recovery
Dec 16th 2015
Demonstration circuit 2417A is intended to demonstrate the performance of the LTC4367 100V overvoltage (OV), undervoltage (UV), and reverse supply protection controller.
This controller protects circuits from input voltages that may be too high, too low or negative. It operates by controlling the gates of two back-to-back connected ...
DC2235A - LTC3265 Demo Board | Dual Supply Boost/Inverting Charge Pumps with Post-Regulator LDOs, 4.5V ≤ VIN ≤ 16V, Vout = ±5V/±15V/±24V @ 50mA
Oct 5th 2015
Demonstration Circuit 2235A has boost and inverting charge pumps each with a low noise LDO post regulator featuring the LTC®3265EDHC. The LTC3265 operates with an input voltage from 4.5V to 16V for the boost charge pump and from 4.5V to 32V for the inverting charge pump. The demo board provides selectable LDO± output ...
High Voltage Boost & Inverting Charge Pumps Deliver Low Noise Dual Outputs with Post-Regulating ±50mA LDOs
Aug 31st 2015
MILPITAS, CA - August 31, 2015 - Linear Technology Corporation
announces the LTC3265, a high voltage, highly integrated, low noise
dual output power supply which takes a single positive input supply
(VIN_P) and generates low noise bipolar rails up to ±2•VIN_P
without any inductors. The device includes a boost doubling charge
pump, ...
LTC3265 Low Noise ±15V Outputs from a Single 12V Input
Aug 27th 2015
The LTC®3265 is a low noise dual polarity output power supply including a boost charge pump, an inverting charge pump and two low noise positive and negative LDO post regulators. The boost charge pump powers the positive LDO post regulator while the inverting charge pump powers the negative LDO regulator. Each LDO can ...
LTC3265 Low Power ±20V Power Supply from a Single-Ended 15V Input Supply
Aug 27th 2015
The LTC®3265 is a low noise dual polarity output power supply including a boost charge pump, an inverting charge pump and two low noise positive and negative LDO post regulators. The boost charge pump powers the positive LDO post regulator while the inverting charge pump powers the negative LDO regulator. Each LDO can ...
LTC3265 Low Noise +7V/–2V Power Supply from a Single-Ended 5V Input Supply (Frequency = 200kHz)
Aug 27th 2015
The LTC®3265 is a low noise dual polarity output power supply including a boost charge pump, an inverting charge pump and two low noise positive and negative LDO post regulators. The boost charge pump powers the positive LDO post regulator while the inverting charge pump powers the negative LDO regulator. Each LDO can ...
DC2116A-B - LTC4233 Demo Board | 10A Guaranteed SOA Hot Swap Controller
Aug 7th 2015
Demonstration circuit 2116A features the LTC4233/ LTC®4234 10A/20A Guaranteed SOA Hot Swap™ Controllers. The LTC4233 and LTC4234 are ideally suited for compact power distribution control in 2.9V to 15V applications for hot board insertion protection, high side power switching, and electronic circuit breaker functions.
...
Achieving Low On-Resistance with Guaranteed SOA in High Current Hot Swap Applications
Jul 29th 2015
Introduction
The requirement for live insertion and removal in high current backplane applications demands MOSFETs that exhibit both low on-resistance during steady state operation and high Safe Operating Area (SOA) for transient conditions. Often, modern MOSFETs optimized for low on-resistance are unsuitable for high SOA Hot ...
Altera Arria 10 FPGA Development Kit
Jul 17th 2015
The LTC3877 + LTC3874 are used to provide power for the Core Rail by taking advantage of the 6-bit parallel VID that interfaces with the 20-nm Arria 10’s SmartVID to reduce the FPGA’s static and dynamic power consumption, and Ultralow value and temperature compensated DCR load current sensing which maximizes ...
DC2100B-D - 12 Cell 4A Stackable Slave Bidirectional Active Cell Balancer Featuring LTC6804-2 and LTC3300-1(x2)
Jul 16th 2015
Demonstration Circuit DC2100B-D is a stackable, bidirectional cell balancer slave board using the LTC6804-2 and the LTC®3300-1 ICs to achieve active balancing of up to 12 Li-Ion cells. It requires the DC2100B-C for proper operation. The DC2100B-D uses a single LTC6804-2 Multi-Cell Addressable Battery Stack Monitor IC to ...
DC2046A-F - LT4276C/LT4321 Demo Board | PoE (13W, 5V/2.3A) PD with DC/DC and Ideal Diode Bridge
Jul 10th 2015
Demonstration circuit 2046A-F is a PoE powered device (PD) with an isolated power supply using synchronous flyback topology, featuring the LT4276 and ideal diode bridge controller (LT4321).
...
DC2046A-E - LT4276A/LT4321 Demo Board | LTPoE++ (38.7W, 5V/7A) PD with DC/DC and Ideal Diode Bridge
Jul 10th 2015
Demonstration circuit 2046A-E is a PoE powered device (PD) with an isolated power supply using synchronous flyback topology, featuring the LT4276 and ideal diode bridge controller (LT4321).
...
DC2046A-D - LT4276B/LT4321 Demo Board | PoE+(25W, 24V/1A) PD with DC/DC and Ideal Diode Bridge
Jul 10th 2015
Demonstration circuit 2046A-D is a PoE powered device (PD) with an isolated power supply using synchronous flyback topology, featuring the LT4276 and ideal diode bridge controller (LT4321).
...
DC2046A-C - LT4276B/LT4321 Demo Board | PoE+ (25W, 12V/1.9A) PD with DC/DC and Ideal Diode Bridge
Jul 10th 2015
Demonstration circuit 2046A-C is a PoE powered device (PD) with an isolated power supply using synchronous flyback topology, featuring the LT4276 and ideal diode bridge controller (LT4321).
...
DC2046A-B - LT4276B/LT4321 Demo Board | PoE+ (25W, 5V/4.7A) PD with DC/DC and Ideal Diode Bridge
Jul 10th 2015
Demonstration circuit 2046A-B is a PoE powered device (PD) with an isolated power supply using synchronous flyback topology, featuring the LT4276 and ideal diode bridge controller (LT4321)
...
DC2046A-A - LT4276B/LT4321 Demo Board | PoE+ (25W, 3.3V/6.8A) PD with DC/DC and Ideal Diode Bridge
Jul 10th 2015
Demonstration circuit 2046A-A is a PoE powered device (PD) with an isolated power supply using synchronous flyback topology, featuring the LT4276 and ideal diode bridge controller (LT4321).
...
DC2116A-A - LTC4234 Demo Board: 20A Guaranteed SOA Hot Swap Controller
May 27th 2015
Demonstration circuit 2116A features the LTC4233/ LTC®4234 10A/20A Guaranteed SOA Hot Swap™ Controllers. The LTC4233 and LTC4234 are ideally suited for compact power distribution control in 2.9V to 15V applications for hot board insertion protection, high side power switching, and electronic circuit breaker functions.
...
DC2239A - LTC7860EMSE Demo Board | Switching Surge Stopper, 3.5V ≤ VIN ≤ 60V; 3.5V ≤ VOUT ≤ 17.5V @ 5A
Apr 27th 2015
Demonstration circuit 2239A is a High Efficiency Switching Surge Stopper and EMI Filter featuring the LTC®7860. The board operates from an input range of 3.5V to 60V, provides a 3.5V to 17.2V output at 0A to 5A and is output current limited. A soft-start feature controls output voltage slew rate at start-up, reducing current ...
Compact 20A Hot Swap Controller Integrates MOSFET & Current Sensing
Apr 27th 2015
MILPITAS, CA - April 27, 2015 - Linear Technology Corporation
introduces the LTC4234, a 20A Hot Swap™ controller with integrated
MOSFET and current sensing, providing a small footprint hot-plug
solution for high density circuit boards. The LTC4234 ensures safe
board insertion and removal from live 2.9V to 15V backplanes by
controlling ...
LTC7860 High Efficiency Switching Surge Stopper - Video Product Brief
Mar 24th 2015
The LTC®7860 high efficiency surge stopper protects loads from high voltage transients. High efficiency permits higher currents and smaller solution sizes. During an input overvoltage event, such as a load dump in vehicles, the LTC7860 controls the gate of an external MOSFET to act as a switching DC/DC regulator ...
28V Low Loss PowerPath Controller with Low 20mV Forward Voltage Now Offered in High Reliability & Military Temperature Grades
Mar 17th 2015
MILPITAS, CA - March 17, 2015 - Linear Technology Corporation
introduces new high reliability and military temperature grade
versions of its LTC4412, a robust “ideal diode” PowerPath™ controller.
The LTC4412 permits low-loss ORing of multiple input DC power
sources. Its 20mV forward voltage is at least 10 times lower than
that ...
DC2104A - LT8312EMS Demo Board | Boost Controller with PFC, 90VAC ≤ VIN ≤ 265VAC; VOUT = 400Vdc @ 0.375A
Mar 16th 2015
Demonstration Circuit 2104A is an off-line boundary conduction mode power factor correction (PFC) boost converter featuring the LT®8312. Boundary conduction mode offers inherent MOSFET valley switching to reduce the switching loss and the boost diode zero current switching to remove the diode reverse-recovery loss. The demo ...
High Efficiency Switching Surge Stopper Protects Against 200V & Higher Transients
Mar 4th 2015
MILPITAS, CA - March 4, 2015 - Linear Technology Corporation
announces the LTC7860, a high efficiency switching surge stopper
with overvoltage and overcurrent protection for high availability
systems. During normal operation the LTC7860 turns on an external
P-channel MOSFET continuously to pass the input voltage through to
the ...
LTC7860 3.5V to 60V Input, 12V/18V Maximum 5A Output at 535kHz
Feb 24th 2015
The LTC®7860 high efficiency surge stopper protects loads from high voltage transients. High efficiency permits higher currents and smaller solution sizes. During an input overvoltage event, such as a load dump in vehicles, the LTC7860 controls the gate of an external MOSFET to act as a switching DC/DC regulator (PROTECTIVE ...
LT3752/LT8311 48Vin, 24Vout Active Clamp Forward Converter with High Light Load Efficiency
Feb 11th 2015
The LT3752 includes a number of programmable features that make it suitable for this application. For instance, programmable delays between various gate signals is used to prevent cross-conduction and to optimize efficiency, and programmable turn-on current spike blanking (adaptive leading edge blanking plus programmable extended ...
LT3798/LT8309 5V, 2A Energy Star Compliant Isolated Converter
Feb 10th 2015
The focus of this circuirt was to take a design based on the LT®3798 and make it Energy Star Compliant; reduce no load, standby power to less than 300mW. That was achieved by adding the components highlighted in the dotted line box in the schematic inside the primary side. This circuit is simply a switch that removes ...
DC2125A - LT4275/LT4321/LTM8027 Demo Board | LTPoE++ PD Plus Diode Bridge & DC/DC Controller
Jan 14th 2015
Demonstration circuit 2125 is a small, highly-integrated, non-isolated PoE Powered Device (PD) solution. It features a PD Interface Controller (LT®4275), which interfaces with a PoE Power Sourcing Equipment (PSE), an ideal diode bridge controller (LT4321), which minimizes bridge losses, and a DC/DC μModule® regulator ...
Surge Stoppers Ease MIL-STD-1275D Compliance
Nov 25th 2014
Introduction
A military vehicle is a tough environment for electronics, where the potential for damaging power supply fluctuations is high. U.S. Department of Defense MILSTD- 1275D sets down the requirements for electronics when powered from a 28V supply, ensuring that electronics survive in the field.
MIL-STD-1275D compliance ...
LTC3255 48VIN Fault-Protected 50mA Regulated Output Step-Down Charge Pump - Video Product Brief
Nov 18th 2014
The LTC®3255 is a switched-capacitor step-down DC/DC converter that produces a regulated output (2.4V to 12.5V adjustable) from a 4V to 48V input. In applications where the input voltage exceeds twice the output voltage, 2:1 capacitive charge pumping extends output current capability beyond input supply current ...
DC2015A - LT8310EFE/LT8311EFE Isolated Demo Board | 36V ≤ VIN ≤ 72V; VOUT = 12V @ 12A
Nov 3rd 2014
Demonstration circuit 2015A is a resonant reset forward converter with synchronous rectification featuring the LT®8310/LT8311 chipset. This circuit was designed to demonstrate the high levels of performance, efficiency, and small solution size attainable using these parts. It operates at 240kHz and produces a regulated 12V, ...
LTC3245 2.7V to 38VIN, 250mA Buck-Boost Charge Pump - Video Product Brief
Oct 15th 2014
The LTC3245 is a switched capacitor buck-boost DC/DC converter that produces a regulated output (3.3V, 5V or adjustable) from a 2.7V to 38V input. The device uses switched capacitor fractional conversion to maintain regulation over a wide range of input voltage. Internal circuitry automatically selects the conversion ...
DC2150A-C - 28V, 5A MIL-STD-1275D Surge Stopper [Featuring LTC4366HTS8-2 and LT4363HS-2]
Sep 22nd 2014
Demonstration circuit 2150A uses the LTC®4366-2 and LT4363-2 surge stoppers to satisfy MIL-STD-1275D. This specification, created by the United States Department of Defense, sets down requirements of electrical systems powered from a military vehicle’s 28V power supply. DC2150A’s output voltage is limited to ...
LT4321 PoE Ideal Diode Bridge Controller - Video Product Brief
Sep 11th 2014
The LT®4321 is a dual ideal diode bridge controller that enables a Power over Ethernet (PoE) powered device (PD) to receive power in either voltage polarity from RJ-45 data pairs, spare pairs, or both. The LT4321 and eight N-channel MOSFETs replace the eight diodes in a passive PoE rectifier bridge. The LT4321 ...
LT4320 Ideal Diode Bridge Controller - Video Product Brief
Sep 11th 2014
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 ...
LTC3803/LTC4441 6V -24V Input Voltage to 52V/2A Boost Converter
Sep 4th 2014
The LTC®4441/LTC4441-1 is an N-channel MOSFET gate driver that can supply up to 6A of peak output current. The chip is designed to operate with a supply voltage of up to 25V and has an adjustable linear regulator for the gate drive. The gate drive voltage can be programmed between 5V and 8V.
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4μA I Hot Swap Controller Protects Batteries from Voltage & Current Faults
Aug 25th 2014
MILPITAS, CA - August 25, 2014 - Linear Technology Corporation
introduces the LTC4231, an ultralow quiescent current (IQ) Hot Swap™
controller, enabling safe board or battery insertion and extraction
from 2.7V to 36V systems. The LTC4231 controls an external
N-channel MOSFET to gently power up board capacitors, avoiding
sparks, ...
LT8310/LTC3900 78 Watt Isolated Synchronous Forward Converter
Aug 12th 2014
The LT®8310 is a simple-to-use resonant reset forward converter controller that drives the gate of a low side N-channel MOSFET from an internally regulated 10V supply. The LT8310 features duty mode control that generates a stable, regulated, isolated output using a single power transformer. With the addition of output ...
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