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MIK3842A - CURRENT MODE PWM CONTROLLER

General Description

MIK3842A, MIK3843A, MIK3844A and MIK3845A are high performance with fixed frequency current mode PWM controllers.

They are specially designed for off-Line and DC-to-DC converter applications with minimum external components.

Key Features

  • Low Start-Up and Operating Current.
  • Automatic Feed Forward Compensation.
  • Current Mode Operating Frequency up to 500KHz.
  • Trimmed Oscillator Discharge Current for Precise Duty Cycle Control.
  • Latching PWM for Cycle-By-Cycle Current Limiting.
  • Under Voltage Lockout with Hysteresis.
  • High Current totem Pole Output Stage Available Options Device Start-UP Hysteresis Voltage MIK3842A MIK3843A MIK3844A MIK3845A 16V 8.4V 16V 8.4V 6V 0.8V 6V 0.8V Max. Duty Cycle <.

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Datasheet Details

Part number MIK3842A
Manufacturer Mikron
File Size 494.01 KB
Description CURRENT MODE PWM CONTROLLER
Datasheet download datasheet MIK3842A Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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MIK3842A, MIK3843A MIK3844A, MIK3845A CURRENT MODE PWM CONTROLLER Description MIK3842A, MIK3843A, MIK3844A and MIK3845A are high performance with fixed frequency current mode PWM controllers. They are specially designed for off-Line and DC-to-DC converter applications with minimum external components. These devices feature a trimmed oscillator for precise duty cycle control, a temperature compensated reference, high gain error amplifier, current sensing comparator, and high current totem pole output which is suitable for driving MOSFETs. The under voltage lock-out (U.V.L.O.) is designed to operated with 0.17mA typ. start-up current, allowing an efficient bootstrap supply voltage design. The U.V.L.O.