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发布者:来自网络 发布时间:2014-3-27 阅读:2882次    关键字: DC-DC
AX3123-23V,1.8A,1.4MHz Step-Down DC-DC停产


AX3123-23V,1.8A,1.4MHz Asynchronous Step-Down DC-DC Converter DataSheet  (2015年7月停产)

GENERAL DESCRIPTION
    The AX3123 is a monolithic step-down switch mode converter with a built-in power MOSFET. It achieves 1.8A output current over a wide input supply range with excellent load and line regulation. Current mode operation provides fast transient response and eases loop stabilization. Fault condition protection includes cycle-by-cycle current limit and over temperature protection.
    The AX3123 requires a minimum number of available standard external components. The AX3123 is available in SOT-23-6L, TSOT-23-6L packages

FEATURES
- 1.8A Output Current
- 180mΩ Internal Power MOSFET Switch
- Stable with Low ESR Output Ceramic Capacitors
- Up to 92% Efficiency
- Fixed 1.4MHz Frequency
- Current Mode Operation
- Over-Temperature Protection with Hiccup-Mode
- Cycle-by-Cycle Over Current Protection
- Wide 4.5V to 23V Operating Input Range
- Output Adjustable from 0.805V to 15V
- 10μA Shutdown Current
- Miniature Packages: SOT-23-6L and TSOT-23-6L

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