LTC3810EG#PBF - 

DC/DC Controller, Current Mode, 6.2V to 100V, 1 Output, Synchronous Buck, 1MHz, SSOP-28


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Product Information

Synchronous Buck (Step Down)
Cut Tape
1 Output
MSL 1 - Unlimited
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Product Overview

The LTC3810EG#PBF is a 100V current mode synchronous switching Regulator Controller can directly step-down voltages from up to 100V, making it ideal for telecom and automotive applications. The LTC3810 uses constant on-time valley current control architecture to deliver very low duty cycles with accurate cycle-by-cycle current limit without requiring a sense resistor. A precise internal reference provides 0.5% DC accuracy. A high bandwidth (25MHz) error amplifier provides very fast line and load transient response. Large 1R gate drivers allow the LTC3810 to drive multiple MOSFETs for higher current applications. The operating frequency is selected by an external resistor and is compensated for variations in VIN and can also be synchronized to an external clock for switching-noise sensitive applications. A shutdown pin allows the LTC3810 to be turned off, reducing the supply current to 240µA.
  • High voltage operation up to 100V
  • Large 1R gate drivers
  • No current sense resistor required
  • Dual N-channel MOSFET synchronous drive
  • Extremely fast transient response
  • ±0.5% 0.8V Voltage reference
  • Programmable output voltage tracking/soft-start
  • Generates 10V driver supply from input supply
  • Synchronizable to external clock
  • Selectable pulse skip mode operation
  • Power good output voltage monitor
  • Adjustable on-time/frequency (tON (min) <100ns)
  • Adjustable cycle-by-cycle current limit
  • Programmable under-voltage lockout
  • Output overvoltage protection


Communications & Networking, Automotive, Industrial

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