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AAT1205-S

器件名称: AAT1205-S
功能描述: 400-mA MULTI-INPUT LOW-DROPOUT REGULATOR WITH DUAL OUTPUT POWER MANAGEMENT
文件大小: 442.73KB    共21页
生产厂商: AAT
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简  介:Advanced Analog Technology, Inc. AAT1205 Details are subject to change without notice 400-mA MULTI-INPUT LOW-DROPOUT REGULATOR WITH DUAL OUTPUT POWER MANAGEMENT Features z z z z z z z Complete Power Management Automatic Input Voltage Selection Input Voltage Source Detector With Hysteresis 400-mA Load Current Capability With VCC50B VSB50 or AUX33 Input Source Integrated Low rDS(on ) Switch Dual Regulated Output 3.3V] ] fixed^ fixed^ & 2.5V Description The AAT1205 is a multi-input low-dropout regulator (LDO) specially designed for LAN cards. It provides advanced dual constant output supply 3.3V & 2.5V at the output capable of driving a 400-mA load. The output (OUT25) can be disabled by connecting EN25 pin to GND. The AAT1205 is equipped with dual regulated power output for systems with multiple input sources and require dual constant voltage source with a low-dropout voltage. This is an intelligent power source selection device with a low-dropout regulator for either VCC50 or VSB50 inputs, and a low-resistance bypass switch for the AUX33 input. The AAT1205 allows transitions to progress smoothly from one input supply to another without generating a glitch outside of the specified range of 3.3V & 2.5V output. Furthermore, this device has an incorporated reverse-blocking scheme to prevent excessive leakage from the input terminals in the event that the output voltage is greater than the input voltage. The input voltage is prioritized in the following order: VCC50, VSB50, AUX33.……
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AAT1205-S 400-mA MULTI-INPUT LOW-DROPOUT REGULATOR WITH DUAL OUTPUT POWER MANAGEMENT AAT
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