Low

LTC2952IUF#PBF - 

Pushbutton Controller, 2.7V-28V Supply, 2 Monitors, Active-Low, Open-Drain, QFN-20

LINEAR TECHNOLOGY LTC2952IUF#PBF

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Manufacturer Part No:
LTC2952IUF#PBF
Order Code:
2295452
Technical Datasheet:
(EN)
See all Technical Docs

Product Overview

The LTC2952IUF#PBF is a Power Management Device features three main functions of pushbutton on/off control of system power, ideal diode PowerPath™ controller and system monitoring. The LTC2952's pushbutton input, which provides on/off control of system power, has independently adjustable ON and OFF debounce times. A simple microprocessor interface involving an interrupt signal allows for proper system housekeeping prior to power-down. The ideal diode PowerPath controllers provide automatic low loss switchover between two DC sources by regulating two external P-channel MOSFETs to have a small 20mV forward drop. High reliability systems may utilize the LTC2952's monitoring features to ensure system integrity. These features includes power-fail, voltage monitoring and µP watchdog. The LTC2952 operates over a wide operating voltage range to accommodate a large variety of input power supplies.
  • Pushbutton ON/OFF control
  • Automatic low loss switchover between DC sources
  • Monitored voltage over-temperature
  • Adjustable pushbutton ON/OFF timers
  • Simple interface allows graceful µP shutdown
  • Extendable housekeeping wait time prior to shutdown
  • 25µA Low shutdown current
  • ±1.5% Guaranteed threshold accuracy
  • 1.6s Watchdog timeout
  • ±8kV HBM ESD on PB\ input

Applications

Computers & Computer Peripherals, Portable Devices, Consumer Electronics, Communications & Networking, Power Management

Product Information

:
2.7V
:
28V
:
24µA
:
QFN
:
20Pins
:
-40°C
:
85°C
:
LTC2952
:
Each
:
-
:
MSL 1 - Unlimited
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