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发布者:来自网络 发布时间:2014/4/14 阅读:3684次    关键字: DC-DC
AX5525-1.2MHz,Peak 5.5A Current,Boost Converter


AX5525-1.2MHz,Peak 5.5A Current,Boost Converter DataSheet

DESCRIPTION
    The AX5525 is a high efficiency current-mode boost converter with a fixed operation frequency. The AX5525 integrates a very low Rds-on NMOSFTET to reduce power loss and achieve high efficiency. The maximum efficiency is up to 93%. The peak current of power MOSFET is limited to 5.5A. 1.2MHz operation frequency minimizes L and C value, and internal compensation network reduces external component counts. SOP8-EP package provides the best solution for PCB heat dissipation.

FEATURES
- Wide Input Range: 2.5V to 6V
- Maximum Output: 8V
- Up to 2.5A output Current with 3.0V 4.5V Input
- 1.2MHz switching Frequency
- Low RDS (ON): 70mΩ 
- Up to 93% Efficiency
- Under-Voltage Lockout Protection
- Over-Temperature ProTemperature
- Internal Soft Start
- Less Than1uA Shutdown CurrentLess
- Accurate Reference: 0.6V Voltage Reference

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