W-CDMA/N-CDMA Cellular Phone HBT PA Management ICs

General Description The MAX1958/MAX1959 power amplifier (PA) power-management ICs (PMICs) integrate an 800mA, dynamically adjustable step-down converter, a 5mA Rail-to-Rail® operational amplifier (op amp), and a precision temperature sensor to power a heterojunction bipolar transistor (HBT) PA in

文件：799.09 Kbytes 页数：24 Pages

Maxim

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文件：950.51 Kbytes 页数：8 Pages

AD

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4.5A, 500KHz Step-Down Switching Regulator

文件：103.14 Kbytes 页数：2 Pages

LINER

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NATIONAL SEMICONDUCTOR SIMPLE SWITCHER APPLICATIONS

文件：1.16715 Mbytes 页数：3 Pages

RENCO

RENCO ELECTRONICS