Solutions Search - Extended Temperature Plastic (H & MP)
Improving Linearity by Using Absorptive Filters
Mar 10th 2017
Introduction:
When driving a direct sampling high speed ADC, the most likely place to degrade the performance is the interface between the final amplifier and the ADC. With any direct sampling ADC there will be nonlinear charge produced in the sampling process. This charge is reflected into the input network each time the sampling ...
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 ...
High Voltage, High Efficiency Positive to Negative Converter
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 ...
Rail-to-Rail Op Amps Feature Precision & Power Efficiency
Feb 28th 2017
MILPITAS, CA – February 28, 2017 – Linear Technology introduces the LTC6258/59/60 and LTC6261/62/63, single/dual/quad op amps, extending its line of power efficient, low noise, precision operational amplifiers. These devices are part of a family of power efficient op amps ranging from 1.3MHz GBW product at 20µA ...
Quad 3A, Ultrathin uModule Regulator Fits on the Backside of PCB
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 ...
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 ...
DC2073A-H - LTC6906 Silicon Oscillator Demo Board
Feb 13th 2017
DC2073A-H - Demo Board for:LTC6906 - Micropower, 10kHz to 1MHz Resistor Set Oscillator in SOT-23
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Using the LTC6820 with the LTC24XX Delta Sigma Family
Feb 8th 2017
Introduction
The LTC6820 isoSPI isolated communication interface is typically used in automotive applications. One of the more popular applications is to isolate the battery monitor circuits. However, it can be a desirable solution for medical applications where isolation is necessary. Another advantage for the LTC6820 is to ...
DC1410A-B - LTC2449 Demo Board | Load Cell Digitizer Application, req DC2026C
Feb 7th 2017
Demonstration circuit 1410A shows a compact, high resolution solution for measuring Wheatstone bridge type sensors for load, pressure, temperature, acceleration, and many other physical quantities.
Assembly type B features the LTC2449, an 8-/16-channel, high speed, 24-bit Δ∑ ADC with ten selectable speed/resolution ...
DC1410A-A - LTC2498 Demo Board | Load Cell Digitizer Application, req DC2026C
Feb 7th 2017
Demonstration circuit 1410A shows a compact, high resolution solution for measuring Wheatstone bridge type sensors for load, pressure, temperature, acceleration, and many other physical quantities.
Assembly type A features the LTC2498, an 8-/16-channel, 24-bit ΔΣ ADC with easy drive inputs. Key DC specifications ...
DC2365A-E - LTC2358-16 Demo Board | Buffered Octal, 16-Bit, 200ksps Simultaneous Sampling SAR ADC (req DC590, DC2026 or DC890)
Jan 31st 2017
Demonstration circuit 2365A highlights the LTC®2358 family of buffered input ADCs. The LTC2358/LTC2357/ LTC2353/LTC2333 are low noise, high speed, 16-/18- bit successive approximation register (SAR) ADCs with integrated front end buffers. These ADCs accept a wide common mode range. Pico-amp inputs and high CMRR enable these ...
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 ...
DC2438A - LTM2894 Demo Board | USB uModule Isolator
Jan 26th 2017
Demonstration circuit 2438A is an isolated USB data transceiver featuring the LTM®2894. The demo circuit features an EMI optimized circuit configuration, including an isolated DC-DC converter, and printed circuit board layout. All components for data signaling and isolation are integrated into the LTM2894 using LTC’s ...
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.
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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.
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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 ...
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. ...
LTC6261 Second Order Bessel Filter
Jan 17th 2017
The LTC®6261/LTC6262/LTC6263 are single/dual/quad operational amplifiers with low noise, low power, low supply voltage, and rail-to-rail inputs and outputs. They are unity gain stable with capacitive loads up to 1nF. They feature 30MHz gain-bandwidth product, 7V/μs slew rate while consuming only 240μA of supply current ...
LTC6261 Third Order Butterworth Filter
Jan 17th 2017
The LTC®6261/LTC6262/LTC6263 are single/dual/quad operational amplifiers with low noise, low power, low supply voltage, and rail-to-rail inputs and outputs. They are unity gain stable with capacitive loads up to 1nF. They feature 30MHz gain-bandwidth product, 7V/μs slew rate while consuming only 240μA of supply current ...
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, ...
DC2487A - LTC6363 Rail-to-Rail SAR ADC Driver Amplifier
Jan 10th 2017
Demonstration circuit 2487A features the LTC®6363 amplifier. The DC2487A is designed to drive the inputs of the DC2290A demo board. The DC2290A features the LTC®2387 18-bit, 15Msps high speed SAR ADC. The linearity and low noise of the LTC6363 make it an ideal candidate to drive the LTC2387 at frequencies up to 100kHz.
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High Linearity, Low Noise LTC2387-18 Drivers for Sinusoidal Signals
Jan 10th 2017
Introduction
The LTC2387-18 is a high speed SAR (Successive Approximation Register) ADC suited for high linearity, low noise applications. This ADC is capable of sampling at up to 15Msps, which allows it to convert signals at frequencies of several MHz. It is well-suited to convert both pulsed and continuous signals in this ...
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, ...
DC2414A - Un-Populated Demonstration Circuit; Supports 3 Channels of LTC6268 & LTC6268-10/LTC6226X
Jan 3rd 2017
Demonstration Circuit 2414A has layouts for three channels of SOT-23 transimpedance amplifiers. Each of the three layouts applies different techniques achieving various parasitic feedback capacitances (CF). The upper channel, U3, assumes a low Transimpedance gain, has a parasitic CF of 0.1pF, and provides a footprint for an ...
Fast 16-Bit 1.5Msps/Channel Octal Simultaneous Sampling SAR ADC Maintains AC Performance up to the Nyquist Frequency
Dec 14th 2016
MILPITAS, CA – December 14, 2016 – Linear Technology Corporation introduces the LTC2320-16, a 16-bit 1.5Msps per channel, no latency successive approximation register (SAR) ADC with eight simultaneously sampling channels supporting a rail-to-rail input common mode range. The LTC2320-16 features a flexible analog ...
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.
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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.
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DC2581A-B - LTC2341-16 Demo Board | Dual, 16-Bit, 666ksps Differential ±5V Input SoftSpan ADC with Wide Input Common Mode Range (req. DC590, DC2026, DC890)
Dec 12th 2016
Demonstration circuit 2581A shows the proper way to drive the LTC®2341 ADC. The LTC2341 is a low noise, high speed, simultaneous sampling 16-/18-bit successive approximation register (SAR) ADC. The LTC2341 has a flexible SoftSpan™ interface that allows conversion-by-conversion control of the input voltage span on a ...
DC2581A-A - LTC2341-18 Demo Board | Dual, 18-Bit, 666ksps Differential ±5V Input SoftSpan ADC with Wide Input Common Mode Range (req. DC590, DC2026, DC890)
Dec 12th 2016
Demonstration circuit 2581A shows the proper way to drive the LTC®2341 ADC. The LTC2341 is a low noise, high speed, simultaneous sampling 16-/18-bit successive approximation register (SAR) ADC. The LTC2341 has a flexible SoftSpan™ interface that allows conversion-by-conversion control of the input voltage span on a ...
DC2425A-F - LTC2310-12 Demo Board | 12-Bit, 2Msps True Differential Input Serial SAR ADC (Req DC890)
Dec 8th 2016
Demonstration circuit 2425A features the LTC®2311 family. With up to 5Msps, these differential, single channel, 16-bit, serial, high speed successive approximation register (SAR) ADCs are available in a 16-lead MSOP package. The LTC2311 family has an internal 20ppm/°C maximum drift reference and an SPI-compatible serial ...
DC2425A-D - LTC2310-14 Demo Board | 14-Bit, 2Msps True Differential Input Serial SAR ADC (Req DC890)
Dec 8th 2016
Demonstration circuit 2425A features the LTC®2311 family. With up to 5Msps, these differential, single channel, 16-bit, serial, high speed successive approximation register (SAR) ADCs are available in a 16-lead MSOP package. The LTC2311 family has an internal 20ppm/°C maximum drift reference and an SPI-compatible serial ...
DC2425A-B - LTC2310-16 Demo Board | 16-Bit, 2Msps True Differential Input Serial SAR ADC (Req DC890)
Dec 8th 2016
Demonstration circuit 2425A features the LTC®2311 family. With up to 5Msps, these differential, single channel, 16-bit, serial, high speed successive approximation register (SAR) ADCs are available in a 16-lead MSOP package. The LTC2311 family has an internal 20ppm/°C maximum drift reference and an SPI-compatible serial ...
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.
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DC2520A-B - LTC2344-16 Demo Board | Quad, 16-Bit, 400ksps Differential ±5V Input SoftSpan ADC with Wide Input Common Mode Range (req. DC590, DC2026, DC890)
Nov 29th 2016
Demonstration circuit 2520A shows the proper way to drive the LTC®2344 ADC. The LTC2344 is a low noise, high speed, simultaneous sampling 16-/18-bit successive approximation register (SAR) ADC. The LTC2344 has a flexible SoftSpan™ interface that allows conversion-by-conversion control of the input voltage span on a ...
2500VRMS Isolated RS485+RS232 Transceiver with Power
Nov 23rd 2016
In this circuit, the LTM2887-3S µModule isolator provides isolated signaling and power to the LTC2873 for a complete, 3.3V robust, galvanically isolated dual-protocol transceiver. RS232 (transmit and receive) or RS485 (half-duplex) can be selected for transmission on a single pair of wires using the 485/232 control. Mode-specific ...
2500VRMS Isolated PROFIBUS RS485 Transceiver with Power
Nov 23rd 2016
In this circuit, the LTM2887-3S µModule (micromodule) isolator provides isolated signaling and power to the LTC2876 for a complete, 3.3V robust, galvanically isolated transceiver. LTC2876 is a PROFIBUS RS485 transceiver designed to meet the specifications for PROFIBUS-DP masters and PROFIBUS-DP slaves, fully compatible ...
USB μModule Transceiver Protects Systems with 7500VRMS of Galvanic Isolation
Nov 22nd 2016
MILPITAS, CA – November 22, 2016 – Linear Technology Corporation introduces the LTM2894, a USB µModule® (micromodule) reinforced isolator that guards against ground-to-ground voltage differentials and large common mode transients. A rugged interface and internal isolation makes the LTM2894 ideal for systems ...
Low EMI LED Driver with Synchronous Internal 2A Switches
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 ...
DC2395A-A - LTC2320-16 Demo Board | Octal, 16-Bit, 1.5Msps/ch Simultaneous Sampling SAR ADC (req DC890)
Nov 10th 2016
Demonstration circuit 2395A features the LTC®2325/ LTC2324/LTC2320 family. With up to 5Msps, these differential, multiple channel, 16-bit, serial, high speed successive approximation register (SAR) ADCs are available in a 52-lead QFN package. Each ADC has an internal 20ppm/°C maximum drift reference and an SPI-compatible ...
38V Input Synchronous Boost Controller Operates at 150°C with up to 98% Efficiency
Nov 7th 2016
MILPITAS, CA – November 7, 2016 – Linear Technology Corporation announces the H-grade versions of the LTC3786, a synchronous step-up DC/DC controller with guaranteed operation for junction temperatures up to 150°C. The LTC3786 replaces the boost diode with an N-channel MOSFET for higher efficiency and reduced ...
Precision Voltage Reference Drives Up to 200mA, Achieves 0.1ppm/mA Load Regulation & 10ppm/°C Drift
Nov 3rd 2016
Dual Output, High Current, Low Noise,Precision Voltage Reference
MILPITAS, CA – November 3, 2016 – Linear Technology announces the LT6658, a precision voltage reference that incorporates two high current output buffers. Based on a 2.5V bandgap voltage reference, each output can be separately configured for any voltage ...
Precision Dual Output, High Current, Low Noise, Low Drift Reference
Nov 1st 2016
Precision and mixed signal applications usually require a voltage reference and at times several regulators or LDOs to support the analog circuitry. Separate regulators isolate the analog supply, digital supply and the voltage reference. The voltage reference supports the reference inputs of DACs and ADCs, and other devices ...
12A Ultrathin μModule Regulator Configurable as Quad, Triple, Dual or Single Output Can Be Placed on Backside of PCB
Oct 27th 2016
MILPITAS, CA – October 27, 2016 – Linear Technology Corporation introduces the LTM4643 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 ...
DC2432A - LT6658 Demo Board | Low Noise, High Current, Precision Reference
Oct 24th 2016
Demonstration circuit 2432A features the LT®6658, a precision 2.5V dual output reference that combines the performance of a low drift low noise reference and a linear regulator. Both outputs are ideal for driving the precision reference inputs of high resolution ADCs and DACs, even with heavy loading while simultaneously ...
DC2073B-B - LTC1799 Silicon Oscillator Demo Board
Oct 20th 2016
DC2073B demo board features Linear Technology's SOT23 packaged silicon oscillators. The DC2073B demo board is available in eleven different options; DC2073B-A through DC2073B-K. These eleven options provide for the evaluation of resistor-set oscillator ICs and fixed frequency ICs (Table1).
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DC2138B - LT8301ES5 Isolated Demo Board | No-Opto Flyback, 10V ≤ VIN ≤ 32V, VOUT = 12V @ 0.7A to 1A
Oct 19th 2016
Demonstration circuit 2138B is an isolated flyback converter featuring the LT®8301. This demo circuit outputs 5V from a 10V to 32V input, with a nominal of 24V. The output current capability increases with the input voltage. The standby input current of the demo circuit is less than 950μA (typical) at VIN = 24V.
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DC1790A-C - LTM2886-3I Demo Board | I2C uModule Isolator (3.3V Supply)
Oct 17th 2016
Demonstration circuit 1790A is a serial peripheral interface bus (SPI) or inter-IC bus (I2C) μModule™ isolator with fixed ±5V and adjustable 5V regulated power featuring the LTM®2886. The demo circuit features an EMI optimized circuit configuration and printed circuit board layout. All components are integrated ...
Hybrid Wide Dimming Ratio Linear LED Current Controller Using LT8614 & LT3083/LT6015
Oct 17th 2016
Many applications for LED illumination require wide dimming ratios. This can be accomplished simply via an adjustable current source as show below. The current source can be varied by a number of different means, and a large LED current range can be achieved. The primary problem with this technique is that the power dissipation ...
DC1790A-B - LTM2886-5S Demo Board | SPI uModule Isolator (5.0V Supply)
Oct 17th 2016
Demonstration circuit 1790A is a serial peripheral interface bus (SPI) or inter-IC bus (I2C) μModule™ isolator with fixed ±5V and adjustable 5V regulated power featuring the LTM®2886. The demo circuit features an EMI optimized circuit configuration and printed circuit board layout. All components are integrated ...
DC1790A-D - LTM2886-5I Demo Board | I2C uModule Isolator (5.0V Supply)
Oct 17th 2016
Demonstration circuit 1790A is a serial peripheral interface bus (SPI) or inter-IC bus (I2C) μModule™ isolator with fixed ±5V and adjustable 5V regulated power featuring the LTM®2886. The demo circuit features an EMI optimized circuit configuration and printed circuit board layout. All components are integrated ...
Low EMI LED Driver Features 2A, 40V, Integrated, Synchronous Switches for Automotive Lighting
Oct 12th 2016
Design Note DN557: Introduction
The breadth of LED applications has grown to encompass everything from general lighting to automotive, industrial and test equipment, sign boards and safety instruments. Feature requirements for LED drivers have become more extensive. The latest LED solutions require drivers that are compact, ...
DC1790A-A - LTM2886-3S Demo Board | SPI uModule Isolator (3.3V Supply)
Oct 10th 2016
Demonstration circuit 1790A is a serial peripheral interface bus (SPI) or inter-IC bus (I2C) μModule™ isolator with fixed ±5V and adjustable 5V regulated power featuring the LTM®2886. The demo circuit features an EMI optimized circuit configuration and printed circuit board layout. All components are integrated ...
LTC3871 Bidirectional PolyPhase® Synchronous Buck or Boost Controller - Video Product Brief
Oct 6th 2016
The LTC®3871 is a high performance bidirectional buck or boost switching regulator controller that operates in either buck or boost mode on demand. It regulates in buck mode from VHIGH-to-VLOW and boost mode from VLOW-to-VHIGH depending on a control signal, making it ideal for 48V/12V automotive dual battery systems. ...
Dual Input, 2.5A Synchronous Step-Down DC/DC Converter Delivers 95% Efficiency from 2.4V to 42V Inputs with Lossless PowerPath Control
Oct 4th 2016
MILPITAS, CA – October 4, 2016 – Linear Technology Corporation announces the LTC3126, a 2.5A, 42V synchronous step-down switching regulator with an integrated dual input PowerPath™ control. A unique power stage topology enables operation from either of two independent power sources, with seamless, internally ...
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 ...
3A, 1MHz Buck Mode LED Driver with Integrated Voltage Limiting
Oct 3rd 2016
Design Note DN556: Introduction
The LT3952 monolithic LED driver includes a 4A, 60V DMOS power switch, excellent for driving high current LEDs in buck mode. Among its many features is an input current sense amplifier, which can be leveraged to provide built-in LED voltage limiting in buck mode.
In buck mode, the ...
LT3759 Wide Vin, 48V @ >100mA Output Boost Converter that Works Down to 1.6V
Oct 3rd 2016
The LT®3759 is a wide input range, current mode, DC/DC controller which is capable of regulating either positive or negative output voltages from a single feedback pin. It can be configured as a boost, SEPIC or inverting converter. An internal LDO regulator draws power from VIN or DRIVE to provide up to a 4.75V supply for ...
Op Amp Precision Positive & Negative Clipper using LT6015/LT6016/LT6017
Oct 3rd 2016
It can be a challenge to match the voltage range of an analog signal to the input range of an analog to digital converter (ADC). Exceeding the ADC’s input range will give an incorrect reading, and if the input goes far enough beyond the power supply rails substrate currents can flow into the ADC which can cause latch up ...
DC2425A-E - LTC2311-12 Demo Board | 12-Bit, 5Msps True Differential Input Serial SAR ADC (Req DC890)
Sep 30th 2016
Demonstration circuit 2425A features the LTC®2311 family. With up to 5Msps, these differential, single channel, 16-bit, serial, high speed successive approximation register (SAR) ADCs are available in a 16-lead MSOP package. The LTC2311 family has an internal 20ppm/°C maximum drift reference and an SPI-compatible serial ...
DC2425A-C - LTC2311-14 Demo Board | 14-Bit, 5Msps True Differential Input Serial SAR ADC (Req DC890)
Sep 30th 2016
Demonstration circuit 2425A features the LTC®2311 family. With up to 5Msps, these differential, single channel, 16-bit, serial, high speed successive approximation register (SAR) ADCs are available in a 16-lead MSOP package. The LTC2311 family has an internal 20ppm/°C maximum drift reference and an SPI-compatible serial ...
Single-Ended to Differential Driver Circuit for the LTC2387-18 SAR ADC
Sep 26th 2016
The LTC®2387-18 is a 15Msps, highly linear, low-noise SAR converter with differential inputs. The combination of excellent linearity and wide dynamic range makes this ADC ideal for high speed imaging and instrumentation applications. No-latency operation provides a unique solution for high speed control loop applications. ...
DC2520A-A - LTC2344-18 Demo Board | Quad, 18-Bit, 400ksps Differential ±5V Input SoftSpan ADC with Wide Input Common Mode Range (req. DC590, DC2026, DC890)
Sep 23rd 2016
Demonstration circuit 2520A shows the proper way to drive the LTC®2344 ADC. The LTC2344 is a low noise, high speed, simultaneous sampling 16-/18-bit successive approximation register (SAR) ADC. The LTC2344 has a flexible SoftSpan™ interface that allows conversion-by-conversion control of the input voltage span on a ...
DC2215A - LTC3126EUFD Demo Board | Dual Input Sync Buck, 4.3V ≤ VIN1 ≤ 42V, 6V ≤ VIN2 ≤ 8.4V (Operational to 42V), VOUT = 3.3V @ 2.5A
Sep 22nd 2016
Demonstration Circuit 2215A, features the LTC®3126, a synchronous buck converter with an integrated lossless input PowerPath™. Pin selectable (JP2) ideal diode-OR and priority input modes, with programmable undervoltage lockout thresholds provide control over the transition between input sources. The unique all N-channel ...
40VIN, 2.1A Rail-to-Rail LDO+ Now Offered in High Temp, 150°C H-Grade in TSSOP Package
Sep 22nd 2016
MILPITAS, CA – September 22, 2016 – Linear Technology Corporation announces a new higher temperature “H-grade” version of the LT3086 in the TSSOP package. The LT3086 is part of Linear’s feature-rich LDO+™ family, offering significant functionality previously unavailable in linear regulators. ...
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 ...
48V/12V Automotive Bidirectional Synchronous Buck or Boost DC/DC Controller Increases Available Power
Sep 20th 2016
MILPITAS, CA – September 20, 2016 – Linear Technology Corporation announces the LTC3871, a 100V/30V bidirectional two phase synchronous buck or boost controller, ideal for 48V/12V automotive dual battery systems. Current 12V automotive systems are reaching their 3kW power limit due to the ever-increasing demand for ...
36V, 2A Monolithic Synchronous Step-Up Silent Switcher LED Driver
Sep 19th 2016
MILPITAS, CA – September 19, 2016 – The LT3922 is a monolithic, synchronous, step-up DC/DC converter with internal 40V, 2A power switches and an internal PWM generator. Its fixed frequency peak current mode control accurately regulates current within ±2% for a string of LEDs up to 34V. Its integrated PWM generator ...
LTC3126 5V, 2MHz Step-Down Converter with Dual Inputs
Sep 16th 2016
The LTC®3126 is a high efficiency synchronous buck converter with an internal no-loss PowerPath™ supporting seamless operation from two separate input power sources. Pin selectable ideal diode-OR and priority input modes with user programmable undervoltage lockout thresholds provide full control over the transition ...
LTC3126 12V, 2MHz Step-Down Converter with Dual Inputs
Sep 16th 2016
The LTC®3126 is a high efficiency synchronous buck converter with an internal no-loss PowerPath™ supporting seamless operation from two separate input power sources. Pin selectable ideal diode-OR and priority input modes with user programmable undervoltage lockout thresholds provide full control over the transition ...
LTC3126 1.8V, 2MHz Step-Down Converter with Dual Inputs
Sep 16th 2016
The LTC®3126 is a high efficiency synchronous buck converter with an internal no-loss PowerPath™ supporting seamless operation from two separate input power sources. Pin selectable ideal diode-OR and priority input modes with user programmable undervoltage lockout thresholds provide full control over the transition ...
LTC3126 3.3V, 2MHz Step-Down Converter with Dual Inputs
Sep 16th 2016
The LTC®3126 is a high efficiency synchronous buck converter with an internal no-loss PowerPath™ supporting seamless operation from two separate input power sources. Pin selectable ideal diode-OR and priority input modes with user programmable undervoltage lockout thresholds provide full control over the transition ...
LTC3126 3.3V Supply with 200ms Transient Ride-Through Capability
Sep 16th 2016
The LTC®3126 is a high efficiency synchronous buck converter with an internal no-loss PowerPath™ supporting seamless operation from two separate input power sources. Pin selectable ideal diode-OR and priority input modes with user programmable undervoltage lockout thresholds provide full control over the transition ...
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