Low

LTC4361CDC-1#TRMPBF - 

Overvoltage/Current Protection, 2.5V to 5.5V supply, 5.8V output, DFN-8

LINEAR TECHNOLOGY LTC4361CDC-1#TRMPBF

Image is for illustrative purposes only. Please refer to product description.

Manufacturer Part No:
LTC4361CDC-1#TRMPBF
Order Code:
1839109
Technical Datasheet:
(EN)
See all Technical Docs

Product Overview

The LTC4361CDC-1#TRMPBF is an overvoltage/overcurrent Protection Controller safeguards 2.5 to 5.5V systems from input supply overvoltage. It controls an external N-channel MOSFET in series with the input power supply. During overvoltage transients, it turns off the MOSFET within 1µs, isolating downstream components from the input supply. Inductive cable transients are absorbed by the MOSFET and load capacitance. In most applications, it provides protection from transients up to 80V without requiring transient voltage suppressors or other external components. It has a delayed start-up and adjustable dV/dt ramp-up for inrush current limiting. A PWRGD pin provides power good monitoring for VIN. It features a soft shutdown controlled by the ON pin and drives an optional external P-channel MOSFET for negative voltage protection. Following an overvoltage condition, the LTC4361 automatically restarts with a start-up delay. After an overcurrent fault, the LTC4361-1 remains off.
  • No input capacitor or TVS required for most applications
  • 2% Accurate 5.8V overvoltage threshold
  • 10% Accurate 50mV Overcurrent circuit breaker
  • Latchoff
  • Controls N-channel MOSFET
  • Adjustable power-up dV/dt limits inrush current
  • Reverse voltage protection
  • Power good output
  • Low current shutdown

Applications

Consumer Electronics, Portable Devices, Computers & Computer Peripherals

Product Information

:
Cell / Smart Phones, Digital Cameras, Handheld Computers, MP3 / MP4 Players, USB Protection
:
5.5V
:
2.5V
:
5.5V
:
DFN
:
8Pins
:
0°C
:
70°C
:
Cut Tape
:
-
:
MSL 1 - Unlimited
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