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JY1252A

Current mode control ICs for forward converters

Active
JY1252A
Key Features

Peak current limiting

Adjustable internal operating frequency, up to 500kHz

Built-in frequency dithering for EMI optimization

Built-in soft start

Built-in delayed start circuit

Built-in input undervoltage automatic recovery

Built-in leading edge blanking (LEB) function

Built-in slope compensation

SOP-8L package

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Absolute Maximum Ratings
Parameter Value
VCC Voltage 32V
CS/FB/RT/BO/SS Pin Input Voltage -0.3V~7V
GATE Voltage 30V
Operating Junction Temperature Range -40 ℃ to 85 ℃
Minimum/Maximum Storage Temperature -55 ℃ to 150 ℃
Pin Temperature (Soldering time: 10s) 260℃
ESD Capability Human Body Model 2kV
Package Thermal Resistance 132℃/W
Design Guidelines
  • Design Guidelines

    Based on the JY1252A 12V20A dual-transistor forward converter switching power supply.
Pin Configuration Diagram
Structure Diagram
  • Suzhou
  • Shenzhen
  • Address: 177 East Suhong Road, Fangzheng Wisdom Valley, Suzhou Industrial Park

    Tel: +86 512-62373510

    Fax: +86 512-62373512

    E-mail: weixiliu@jypower.cn

  • Address: Building A5, Huaqiang Creative Industry Park, Guangming District, Shenzhen

    Tel: +86 18662166251

    E-mail: Stevenshi@jypower.cn

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