Datasheet Texas Instruments LM27762DSST — 数据表

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SNVSAF7B – AUGUST 2016 – REVISED FEBRUARY 2017 LM27762 Low-Noise Positive and Negative Output Integrated
Charge Pump Plus LDO
1 Features 3 Description The LM27762 delivers very low-noise positive and
negative outputs that are adjustable between В±1.5 V
and В±5 V. Input-voltage range is from 2.7 V to 5.5 V,
and output current goes up to В±250 mA. With an
operating current of only 390 ВµA and 0.5-ВµA typical
shutdown current, the LM27762 provides ideal
performance for power amplifier and DAC bias and
other high-current, low-noise negative voltage needs.
The device provides a small solution size with few
external components. 1 Generates Low-Noise Adjustable Positive Supply
Voltage Between 1.5 V and 5 V and Negative
Supply Voltage Between –1.5 V and –5 V
Input Voltage Range 2.7 V to 5.5 V
В±250-mA Output Current
Inverting Charge Pump Followed by Negative …