MAX1727
GSM蜂窝电话/PCN电话手机RF电源管理IC
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概述
- +3.1V to +5.5V Input Range
- One 2.90V, 100mA Low IQ LDO
- One 2.75V, 50mA Low IQ LDO
- One 2.75V, 20mA Low IQ LDO
- Low-Noise LDOs
- <90µVRMS from 10Hz to 100kHz
- >80dB Crosstalk Isolation at 10kHz
- >70dB PSRR at 1kHz
- ±5% Accuracy Over Line, Load, and Temperature
- Three 2.5ohm Switched Outputs
- Current and Thermal Limit
- Two Undedicated Op Amps
Rail-to-Rail CMR Inputs and Outputs
- >120dB Channel Separation
- >85dB PSRR at 1kHz
- 10µA (max) Shutdown Current
应用
- 3节NiMH、NiCd或碱性电池供电系统
- GSM蜂窝或PCN手机
- 单节Li+电池供电系统
参考资料
软件资源
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