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LINEAR TECHNOLOGY  LTC4414EMS8#PBF  MOSFET CONTROLLER, MSOP-8

LINEAR TECHNOLOGY LTC4414EMS8#PBF

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Product Overview

The LTC4414EMS8#PBF is a low loss PowerPath Controller for large PFETs. This permits highly efficient OR'ing of multiple power sources for extended battery life and low self-heating. When conducting, the voltage drop across the MOSFET is typically 20mV. For applications with a wall adapter or other auxiliary power source, the load is automatically disconnected from the battery when the auxiliary source is connected. Two or more LTC4414s may be interconnected to allow load sharing between multiple batteries or charging of multiple batteries from a single charger. The wide supply operating range supports operation from one to six Li-ion cells in series. The low quiescent current (30µA typical) is independent of the load current. The gate driver includes an internal voltage clamp for MOSFET protection. The STAT pin can be used to enable an auxiliary P-channel MOSFET power switch when an auxiliary supply is detected.
  • Designed specifically to drive large QG PFETs
  • Very low loss replacement for power supply OR'ing diodes
  • 3.5 to 36V AC/DC Adapter voltage range
  • Minimal external components
  • Automatic switching between DC sources
  • Low quiescent current (30µA)
  • 3 to 36V Battery voltage range
  • Limited reverse battery protection
  • MOSFET gate protection clamp
  • Manual control input

Applications

Power Management; Industrial; Automotive

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Product Information

Driver Configuration:
High Side
Peak Output Current:
500µA
Supply Voltage Min:
3V
Supply Voltage Max:
36V
Driver Case Style:
MSOP
No. of Pins:
8Pins
Input Delay:
600µs
Output Delay:
20µs
Operating Temperature Min:
-40°C
Operating Temperature Max:
85°C
Packaging:
Each
Module Configuration:
P Channel
Device Type:
MOSFET Driver
MSL:
MSL 1 - Unlimited
Supply Voltage Range:
3V to 36V
SVHC:
No SVHC (17-Dec-2014)

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Legislation and Environmental

Moisture Sensitivity Level:
MSL 1 - Unlimited
RoHS Compliant:
Yes

Applications

  • Power Management;
  • Industrial;
  • Automotive

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