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LM3880/LM3880Q,pdf datasheet (
消耗积分:3 |
格式:rar |
大小:555 |
2009-10-06
张敏
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The LM3880 Power Sequencer offers the easiest method to
control power up and power down of multiple power supplies
(switchers or linear regulators). By staggering the startup sequence,
it is possible to avoid latch conditions or large in-rush
currents that can affect the reliability of the system.
Available in a SOT23-6 package, the Power Sequencer contains
a precision enable pin and three open drain output flags.
Upon enabling the LM3880 the three output flags will sequentially
release, after individual time delays, permitting the connected
power supplies to startup. The output flags will follow
a reverse sequence during power down to avoid latch conditions.
control power up and power down of multiple power supplies
(switchers or linear regulators). By staggering the startup sequence,
it is possible to avoid latch conditions or large in-rush
currents that can affect the reliability of the system.
Available in a SOT23-6 package, the Power Sequencer contains
a precision enable pin and three open drain output flags.
Upon enabling the LM3880 the three output flags will sequentially
release, after individual time delays, permitting the connected
power supplies to startup. The output flags will follow
a reverse sequence during power down to avoid latch conditions.
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