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UCS1657S - HIGH PERFORMANCE CURRENT MODE POWER SWITCH

General Description

The UTC UCS1657S is an integrated PWM controller and Power MOSFET specifically designed for switching operation with minimal external components.

Key Features

  • S.
  • Internal Power MOSFET (650V).
  • 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.

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Full PDF Text Transcription for UCS1657S (Reference)

Note: Below is a high-fidelity text extraction (approx. 800 characters) for UCS1657S. For precise diagrams, and layout, please refer to the original PDF.

UNISONIC TECHNOLOGIES CO., LTD UCS1657S LINEAR INTEGRATED CIRCUIT HIGH PERFORMANCE CURRENT MODE POWER SWITCH  DESCRIPTION The UTC UCS1657S is an integrated PWM controlle...

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R SWITCH  DESCRIPTION The UTC UCS1657S is an integrated PWM controller and Power MOSFET specifically designed for switching operation with minimal external components. The UTC UCS1657S 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 situations.