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Home > USB Power Switch
UCS1601S Datasheet






The UTC UCS1601S is an integrated PWM controller and Power

MOSFET specifically designed for  switching operation with minimal

external components. The UTC  UCS1601S is designed to provide

several special enhancements to satisfy the needs, for example,

Power-Saving mode for low standby power, Frequency Hopping ,

Constant Output Power Limiting , Slope Compensation ,Over Current

Protection (OCP), Over Voltage Protection (OVP), Over Load

Protection (OLP), Under Voltage Lock Out (UVLO), Over Temperature

Protection (OTP), etc. IC will  be shutdown or can auto-restart in





* Internal Power MOSFET (600V)

* Programming Gate Driver Capability

* Frequency hopping for Improved EMI Performance.

* Lower than 30mW Standby Power Design

* Linearly decreasing frequency to 20~35KHz during light load

* Internal Soft start

* Internal Slope Compensation

* Constant Power Limiting for universal AC input Range

* Gate Output Maximum Voltage Clamp(16V)

* Over temperature protection

* Overload protection

* Over voltage protection

* Leading edge blanking

* Cycle-by-Cycle current limiting

* Under Voltage Lock Out

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