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Solutions Search - Shunt Voltage References

LT8310/LT1431 92W Isolated Forward Converter with Opto Feedback; VIN = 48V, VOUT = 54V@1.7A

George Qian - Senior Applications Engineer Mar 29th 2017
The LT8310 is a constant-frequency resonant reset forward converter controller with a low side N-channel MOSFET gate driver. The LT8310 has a wide input voltage range from 6V to 100V. Its switching frequency can be programed from 100kHz to 500kHz to optimize efficiency, performance or external component size. The LT8310’s ...

Blog Post Circuit LTspice 

 

Altera Arria 10 SoC Development Kit

Oct 5th 2015
The Altera® Arria® 10 SoC Development Kit offers a quick and simple approach for developing custom ARM® processor-based SoC designs. Design productivity is one of the driving philosophies of the Arria 10 SoC architecture. The Arria 10 SoCs offers full software compatibility with previous generation ...

Circuit 

 

LT3753 9V-15V Input to 54V/3A Isolated Forward Converter

Randyco Prasetyo - Applications Engineer
Gabino Alonso - Strategic Marketing Engineer
Feb 26th 2015
The LT®3753 is a primary side, current-mode PWM controller optimized for an active clamp forward converter topology. It features a programmable volt-second clamp that provides a duty cycle guardrail to limit primary switch reset voltage and prevent transformer saturation during load transients. The LT3753 also features ...

Blog Post Circuit 

 

LT8310/LT1431 81W Isolated Forward Converter with Opto Feedback; VIN = 12V/24V, VOUT = 54V@1.5A

George Qian - Senior Applications Engineer
Gabino Alonso - Strategic Marketing Engineer
Jan 30th 2015
The LT8310 is a constant-frequency resonant reset forward converter controller with a low side N-channel MOSFET gate driver. The LT8310 has a wide input voltage range from 6V to 100V. Its switching frequency can be programed from 100kHz to 500kHz to optimize efficiency, performance or external component size. The LT8310's protection ...

Blog Post Circuit LTspice 

 

LS8 Package Improves Stability of Voltage References

Brendan Whelan - Design Manager Feb 12th 2013
Stability of precision electronic circuits is often dominated by the stability of the voltage reference. Most electronic systems rely on one or more voltage references to ensure that measurements or performance meets specifications, especially over long periods of time. Environmental factors directly affect the stability of ...

Video 

 

Adjustable Shunt Regulator Operates Over a -55°C to 150°C Junction Temperature Range

Aug 2nd 2011
MILPITAS, CA – August 2, 2011 – Linear Technology Corporation announces a new high reliability MP-grade version of the LT1431, a three-terminal adjustable shunt voltage regulator that operates over a -55°C to 150°C junction temperature range. This device has a 100mA sink capability, 0.4% initial reference ...

Press Release 

 

Innovation Pushes State-of-the-Art in Voltage References

Brendan Whelan - Design Manager Nov 8th 2010
Most system designers use voltage references in their circuits. While many will agree that the performance may ultimately be limited by the reference, they are often unclear as to why. With so many reference products available, designers often choose based on a tradeoff between price and precision, using only initial accuracy ...

Video 

 

LT1431 5V Power Supply Monitor with ±500mVWindow and 50mV Hysteresis

Apr 15th 2010
The LT1431 is an adjustable shunt voltage regulator with 100mA sink capability, 0.4% initial reference voltage tolerance and 0.3% typical temperature stability. On-chip divider resistors allow the LT1431 to be configured as a 5V shunt regulator, with 1% initial voltage tolerance and requiring no additional external components. ...

Circuit LTspice 

 

DC259A - LT1339, LTC1693, LT1431 Isolated Demo Board | Telecom Module, 36 to 72Vin, 5V or 3.3Vout @ 10A

Apr 2nd 1999
Demo Board DC259A provides an isolated 3.3V or 5Vout at 10A from a 36 to 72VDC source. The DC259A includes the following products:  LT1431 - Programmable ReferenceLT1339 - High Power Synchronous DC/DC ControllerLTC1693 - High Speed Single/Dual N-Channel MOSFET Drivers ...

Demo Board 

 

Precision ±10V Reference

Jan 1st 1998
A precision 6.9V reference can be scaled up to +10V and then inverted with a precision -1 gain stage to provide symmetrical +/-10V reference voltages. The 3.3K resistor feeding back to the + input of the non inverting amplifier maintains a constant 1mA of current to bias the zener reference device. ...

Circuit 

 

Micropower, 10ppm/°C, ±5V Reference

Jan 1st 1987
The left opamp precisely amplifies the 1.2V shunt reference to +5V and the right section inverts that to make -5V. ...

Circuit 

 

Two Terminal Current Source

Jan 1st 1987
The opamp buffers the upper potential of a shunt regulator to set a voltage drop on R1 equal to the reference. The net current to RL is the programmed R1 current plus the quiescent supply current of the opamp passing through the reference. ...

Circuit 

 

Self Buffered Micropower Reference

Jan 1st 1987
The opamp provides controlled bias current to a shunt reference through its supply connection. Since the opamp can operate with both inputs and outputs at the low-side supply potential, the buffer action works properly for sourcing output current at the same voltage as the reference itself. ...

Circuit 

 

Dual Buffered ±0.617V Reference Powered by Two AA Batteries

Nov 1st 1983
Lower opamp is a precision inverter setting outputs to set the outputs at the same magnitude but opposite polarity. The upper opamp drives the positive output so that the difference of the two outputs is the reference voltage, so the result is that half the reference voltage is the magnitude of the outputs. ...

Circuit