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LM3881MM/NOPB - 

Sequencer, 2.7V-5.5V Supply, 1.22V Threshold, 3 Monitors, 1.2ms Delay, Active-High Reset, VSSOP-8

LM3881MM/NOPB - Sequencer, 2.7V-5.5V Supply, 1.22V Threshold, 3 Monitors, 1.2ms Delay, Active-High Reset, VSSOP-8

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Manufacturer Part No:
LM3881MM/NOPB
Newark Part No.:
78M7738
Technical Datasheet:
(EN)
See all Technical Docs

Product Overview

The LM3881MM/NOPB is a simple Power Sequencer with programmable time delay. The power sequencer offers the easiest method to control power-up and power-down of multiple power supplies (switching or linear regulators). By staggering the start-up sequence, it is possible to avoid latch conditions or large inrush currents that can affect the reliability of the system. The simple sequencer contains a precision enable pin and three open-drain output flags. When the LM3881 is enabled, the three output flags will sequentially release, after individual time delays, thus permitting the connected power supplies to start-up. The output flags will follow a reverse sequence during power-down to avoid latch conditions. Time delays are defined using an external capacitor and the output flag states can be inverted by the user.
  • Easiest method to sequence rails
  • Power-up and power-down control
  • Tiny footprint
  • Output invert feature
  • Timing controlled by small value external capacitor
  • 80µA Low quiescent current
  • Green product and no Sb/Br

Applications

Communications & Networking, Automotive, Industrial, Consumer Electronics

Warnings

Market demand for this product has caused an extension in lead times, delivery dates may fluctuate

Product Information

:
1.22V
:
3Monitors
:
2.7V
:
5.5V
:
Active-High
:
VSSOP
:
8Pins
:
1.2ms
:
-40°C
:
125°C
:
-
:
-
:
Yes
:
MSL 1 - Unlimited
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