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JW1551 - Active Clamp Flyback Controller

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Datasheet Details

Part number JW1551
Manufacturer JoulWatt
File Size 818.72 KB
Description Active Clamp Flyback Controller
Datasheet download datasheet JW1551 Datasheet

General Description

JW®1551 is an active clamp flyback controller for offline flyback converter applications.

The JW1551 can be adopted to reduce switching loss and provide high efficiency in whole load range.

JW1551 provide two control outputs, the main power switch control and the active clamp switch control.

Overview

JW1551 Active Clamp Flyback Controller.

Key Features

  • Boundary Mode Operation at Heavy Load.
  • DCM Operation at Light Load.
  • Burst Mode Control.
  • Built-in Soft-start Function.
  • X-cap Discharge Function.
  • Include a Boost Converter, Allow Vin Range 2.5-38V.
  • Maximum Frequency Setting with a Single External Resistor.
  • Adjustable Line Compensation.
  • High Switching Frequency up to 1.5MHz.
  • Reliable Fault Protections: VIN OVP/UVP, VS OVP/UVP, SCP, Brown-In/Out, OTP, CS Open and Short Protection.
  • QFN4X4-20 Pac.

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