All Sections: LT - 3

21. Isolated Active PFC Off-Line LED Controller Is TRIAC Dimmable & Needs No OPTO Isolator
    News Linear Technology LT3799
    Linear Technology announces the LT3799 , an isolated LED controller with active power factor correction (PFC), specifically designed for driving LEDs from a universal input range of 90VAC to 265VAC. The LTC3799 is optimized for LED applications ...
    22-02-2011

22. 1000V Output, No-Opto Isolated Flyback Converter
    Circuits Analog Devices LT8304-1
    George Qian, Michael Wu, Analog Devices Design Note 1047 Introduction Isolated flyback converters are used in automotive, industrial, medical and telecom applications where the power supply must be reliable, easy-to-use, high voltage and isolated, ...
    27-04-2018

23. Positive Regulator Makes Negative DC/DC Converter
    Circuits Linear Technology LT1765EFE
    Power-supply designers can choose from a plethora of available positive buck regulators that can also serve as negative boost DC/DC converters. Some buck regulators have a negative-feedback reference voltage expressly for this purpose, but ICs that ...
    16-05-2021
24. LT1635 1A shunt charger
    Circuits Analog Devices LT1635
    Most battery chargers comprise nothing more than a series-pass regulator with current limit. In solar-powered systems, you can’t count on sufficient headroom to keep a series regulator alive, so a shunt method is preferred. A simple shunt ...
    27-03-2023
25. 60V Current Sense Amplifier Offers Adjustable Fault Flags
    News Linear Technology LT6109
    Linear Technology announces the LT6109 , a complete high side current sense device that incorporates a current sense amplifier, dual comparators and a precision 400mV voltage reference. When connected to a current shunt resistor, the high side ...
    18-07-2011
26. Adjustable Shunt Regulator Operates Over a -55°C to 150°C Junction Temperature Range
    News Linear Technology LT1431
    Linear Technology announced 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% ...
    08-08-2011
27. Active Rectifier Controller with Ultrafast Transient Response and Low Power Dissipation
    Circuits Analog Devices LT8650S LT8672
    Bin Wu, Analog Devices Design Note 572 Introduction The LT8672 is an active rectifier controller that (along with a MOSFET) provides reverse current protection and rectification for power supplies in automotive environments. This job is ...
    14-06-2018
28. Flying capacitor and negative time constant make digitally programmable-gain instrumentation amplifier
    Circuits Analog Devices LT1214 LTC6915
    Numerous and evil are the forces of darkness that conspire to frustrate accurate analog-to-digital conversion of wide-dynamic-range analog signals. Among these gremlins lurk common-mode-voltage noise and signal amplitudes too variable to fully use ...
    21-07-2022
29. 0.05 µV/°C chopped amplifier requires only 5 µA supply current
    Circuits Analog Devices LT1495 LTC1440
    Figure 1 shows a chopped amplifier that requires only 5.5 µA supply current. Offset Voltage is 5 µV, with 0.05 µV/ C drift. A gain exceeding 10 8 affords high accuracy, even at large closed-loop gains. Figure 1. 0.05 µV/ C ...
    15-12-2023
30. LED driver offers max junction temp of 150°C
    News Linear Technology LT3517
    Designed to drive high-current LEDs at constant current, the H-grade version LT3517 LED drivers features a 3 to 30-V input voltage range with a transient protection to 40 V. The part operates with a junction temperature up to 150 C and can drive up ...
    03-08-2010

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