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ADI LTC2951CTS8-1#TRPBF product image
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ADI LTC2951CTS8-1#TRPBF

Manufacturer
ADI
MPN
LTC2951CTS8-1#TRPBF
LCSC Part #
C107799
Packaging
TSOT-23-8
Customer #
Key Attributes
TSOT-23-8 Power Supply Controllers, Monitors RoHS
DatasheetADI LTC2951CTS8-1#TRPBF
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QtyUnit Price(Reference Only)Total Amount
1+$ 2.3986$ 2.40
10+$ 2.0592$ 20.59
30+$ 1.8464$ 55.39
100+$ 1.6289$ 162.89
500+$ 1.5302$ 765.10
1,000+$ 1.4885$ 1488.50
2,500+$ 1.4715$ 3678.75
5,000+$ 1.4592$ 7296.00
Standard Packaging2500/Full Reel
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Products Specifications

All
TypeDescription
CategoryIntegrated Circuits (ICs)/Power Management (PMIC)/Power Supply Controllers, Monitors
ManufacturerADI
PackagingTSOT-23-8
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Introduction

AI Translation

The LTC2951 is a micropower, wide input voltage range, push-button on/off controller. The device includes a level-shifting push-button input that controls an open-drain enable output. The push-button off debounce time is externally adjustable, while the on debounce time is fixed at 128ms. A simple microprocessor interface enables proper system housekeeping prior to power-down. Under system fault conditions, an adjustable KILL timeout delay ensures correct power-down. The LTC2951 operates over a wide 2.7V to 26V input voltage range to accommodate a wide variety of input power supplies. Very low quiescent current (6μA typical) makes the LTC2951 an ideal choice for battery-powered applications. The device is available in two versions to provide either positive or negative enable polarity. It is offered in 8-lead 3mm×2mm DFN and ThinSOT packages.

The LTC2951 is a low power (6μA), wide input voltage range (2.7V to 26.4V), push-button on/off controller that interfaces with a microprocessor and power supply. The device incorporates all the flexible timing required to debounce a push-button input (PB). The LTC2951 also provides a simple interface (INT output, KILL input) designed to enable the system to power up and power down in a controlled manner. The wide input voltage range allows system designers to use a single cell or multiple stacked cells as the device operating supply. The very low quiescent current makes the LTC2951 an ideal choice for continuously monitoring the on/off push-button of handheld devices.

Features

AI Translation
  • Adjustable pushbutton debounce and delay timer
  • Low supply current: 6μA
  • Wide operating voltage range: 2.7V to 26V
  • EN output (LTC2951-1) for DC/DC converter control
  • EN output (LTC2951-2) for circuit breaker control
  • Simple interface for convenient microprocessor shutdown
  • High input voltage PB pin with internal pull-up resistor
  • ±10kV ESD HBM protection on PB input
  • Accurate 0.6V threshold on KILL comparator input
  • Available in 8-pin 3mm×2mm DFN and ThinSOT packages

Applications

AI Translation
  • Portable instruments
  • Blade servers
  • Portable customer service PDAs
  • Desktop and laptop computers