Low

LINEAR TECHNOLOGY  LTC2952IUF#PBF  Pushbutton Controller, 2.7V-28V Supply, 2 Monitors, Active-Low, Open-Drain, QFN-20

LINEAR TECHNOLOGY LTC2952IUF#PBF
Technical Data Sheet (282.89KB) EN See all Technical Docs

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

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

 

Product Information

Threshold Voltage:
-
No. of Supervisors / Monitors:
2Monitors
Supply Voltage Min:
2.7V
Supply Voltage Max:
28V
Reset Type:
Active-Low, Open-Drain
Digital IC Case:
QFN
No. of Pins:
20Pins
Delay Time:
200ms
Operating Temperature Min:
-40°C
Operating Temperature Max:
85°C
Packaging:
Each
Product Range:
-
Automotive Qualifications Standard:
-
MSL:
MSL 1 - Unlimited
SVHC:
No SVHC (17-Dec-2015)

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Applications

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

Legislation and Environmental

Moisture Sensitivity Level:
MSL 1 - Unlimited
Product Traceability
RoHS Compliant:
Yes
Authorized Distributor

Substitutes

Associated Products