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LD7912J - Green Mode Power Switch

Description

The LD7912J is a green mode PWM controller integrated with a 700V MOSFET in a DIP-7 package.

It’s capable to operate at fixed frequency of 100KHz.

Features

  • Built-in 700V Power MOSFET.
  • Built-in High Voltage startup circuit.
  • Fixed Switching Frequency at 100KHz.
  • Frequency Swapping for EMI improve.
  • Internal High Voltage Startup Circuit.
  • Under Voltage Lockout (UVLO) on VCC Pin.
  • Current Mode Control with Slope Compensation.
  • Green-Mode Control for Power Saving.
  • OVP / OLP / Internal Thermal Shut Down.

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Datasheet Details

Part number LD7912J
Manufacturer Leadtrend Technology
File Size 440.38 KB
Description Green Mode Power Switch
Datasheet download datasheet LD7912J Datasheet

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Full PDF Text Transcription

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LD7912J 9/5/2012 Green Mode Power Switch with BNO REV：00 General Description The LD7912J is a green mode PWM controller integrated with a 700V MOSFET in a DIP-7 package. It’s capable to operate at fixed frequency of 100KHz. With multi-functions built in this device , such as high voltage startup, Burn-in/out /OLP/OVP/OTP protection, internal current mode slope compensation, and green-mode power-saving operation under light load or no load condition, this highly integrated device provides high efficiency, low external component counts, and low cost solution for compact power applications.
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