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发布者:来自网络 发布时间:2017-3-14 阅读:171次    关键字: DC-DC
MA5201-18V/2ASynchronous Step-Down DC/DC Converter


MA5201-18V/2A High Efficiency Synchronous Rectified Step-Down DC/DC Converter DataSheet

GENERAL DESCRIPTION
The MA5201 is a high efficiency synchronous step-down DC/DC converter series with 2A
continuous output current supplied.
A built-in Under Voltage Lockout (UVLO) circuit is provided to prevent start-up until the input
voltage reaches to 4.6V. In addition, it features over-current protection and thermal shutdown. To
improve the light load efficiency, it is designed as the power saving mode (PSM) to minimize the
switching loss by reducing the switching frequency.
The MA5201 is available in SOT23_6L package.

FEATURES
- Wide 4.6V to 18V Operating Input Range
- Integrated 120/80mΩ Power MOSFET Switches
- Adjustable Output Voltage from 0.6V to 12V
- Power Saving Mode (PSM) during the light Load Operation
- High Efficiency up to 95%
- Adjustable Output Voltage from 0.6V to 12V
- 2A Continuous Output Current
- 500kHz Constant Frequency Operation
- Current Mode Operation
- Over-temperature and Over-current Protection
- Input Under Voltage Lockout (UVLO)
- 10μA Shutdown Current
- RoHS Compliant (100% Green Available)

APPLICATIONS
- Data comm. DSL CPE Graphics Cards
- Set-Top-Box, DVD
- Servers/Networking
- Telecomm Equipment
- LCD Monitor and LCD TV


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