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WS5203 - monolithic synchronous buck regulator

General Description

The WS5203 is a monolithic synchronous buck regulator.

The device integrates 100mΩ MOSFETS that provide 3A continuous load current over a wide operating input voltage of 4.75V to 30V.

Current mode control provides fast transient response and cycle-by-cycle current limit.

Key Features

  • z z z z z z z z z z z 3A Output Current Wide 4.75V to 30V Operating Input Range Integrated 100mΩ Power MOSFET Switches Output Adjustable from 0.925V to 20V Up to 95% Efficiency Programmable Soft-Start Stable with Low ESR Ceramic Output Capacitors Fixed 300KHz Frequency Cycle-by-Cycle Over Current Protection Input Under Voltage Lockout Thermally Enhanced 8-Pin SOIC Package.

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Datasheet Details

Part number WS5203
Manufacturer Sany
File Size 893.88 KB
Description monolithic synchronous buck regulator
Datasheet download datasheet WS5203 Datasheet

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Full PDF Text Transcription (Reference)

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WS5203 DESCRIPTION The WS5203 is a monolithic synchronous buck regulator. The device integrates 100mΩ MOSFETS that provide 3A continuous load current over a wide operating input voltage of 4.75V to 30V. Current mode control provides fast transient response and cycle-by-cycle current limit. An adjustable soft-start prevents inrush current at turn-on. In shutdown mode, the supply current drops below 1 μA. This device, available in an 8-pin ESOP package, provides a very compact system solution with minimal reliance on external components. FEATURES z z z z z z z z z z z 3A Output Current Wide 4.75V to 30V Operating Input Range Integrated 100mΩ Power MOSFET Switches Output Adjustable from 0.