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LT3796
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LT3796

  • Category:LED driver
  • Product Name:100V constant current and constant voltage controller with dual current sensing
  • Manufacturers:LT
  • Production Batch Number:11+
  • Encapsulation:TSSOP-28
  • Stock Status:There is stock
  • Stock Quantity:20000
  • Minimum order quantity: 1
  • Details:Click here to find PDF of the LT3796
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  • Product introduction

LT3796

100V constant current and constant voltage with dual current sensingcontroller

peculiarity

  • 3000:1 True Color PWMTMDimming
  • Wide input voltage range: 6V to 100V
  • Current monitoring up to 100V
  • High-side PMOS disconnect and PWM switch drivers
  • Constant current and constant voltage regulation
  • Dual current sense amplifier with reporting
  • C/10 detection for battery and supercapacitor charging
  • Linear current sense threshold setting
  • Short-circuit protection
  • Adjustable frequency: 100kHz to 1MHz
  • Frequency synchronization
  • toolVMODEProgrammable open-circuit protection of tagged LEDs
  • Programmable undervoltage lockout with hysteresis
  • Soft-start with programmable fault restart timer
  • Low shutdown current:
  • Available in a 28-pin TSSOP package

description

LT®The 3796 is a DC/DC controller designed to regulate a constant current or voltage and is ideal for driving LEDs. The device drives a low-side external N-channel power MOSFET from an internally regulated 7.7V supply. The fixed frequency and current mode architecture enables stable operation over a wide range of power and output voltages. Two ground-referenced FB pins are used as inputs to several LED protection function circuits, and also makeconverterIt can act as a constant voltage source. The LT3796 contains a programmable threshold output sense amplifier with rail-to-rail common-mode range. The LT3796 also includes a separate high side current sense amplifier whose gain is configurable with two resistors. The TG pin is responsible for inverting and level-shifting the PWM signal to drive the gate of the external PMOS. The PWM input provides LED dimming ratios up to 3000:1, while the CTRL input provides additional analog dimming capability.

apply

  • High power LEDs, high voltage LEDs
  • Battery and supercapacitor chargers
  • Accurate current limit voltage regulator

andLT3796Related ICs are:


Model Manufacturers lot number encapsulation illustrate
LT3796 LT 11+ TSSOP-28 100V constant current and constant voltage controller with dual current sensing
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