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LP3921,pdf datasheet (Battery

消耗积分:5 | 格式:rar | 大小:557 | 2009-10-06

百灵千岛酱

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The LP3921 is a fully integrated charger and multi-regulator
unit with a fully differential Boomer audio power amplifier designed
for CDMA cellular phones. The LP3921 has a highspeed
serial interface which allows for the integration and
control of a Li-Ion battery charger, 7 low-noise low-dropout
(LDO) voltage regulators and a Boomer audio amplifier.
The Li-Ion charger integrates a power FET, reverse current
blocking diode, sense resistor with current monitor output,
and requires only a few external components. Charging is
thermally regulated to obtain the most efficient charging rate
for a given ambient temperature.

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