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STR3W400MXD - Off-Line PWM Controllers

This page provides the datasheet information for the STR3W400MXD, a member of the STR3W422MXD Off-Line PWM Controllers family.

Datasheet Summary

Description

The STR3W400MXD series is power IC for switching power supplies, incorporating a power MOSFET and a current mode PWM controller IC.

The operating mode of the IC automatically changes to green-mode or burst oscillation mode according to load in order to improve the all load efficiency.

Features

  • Bare Lead Frame: Pb-free (RoHS Compliant).
  • Current Mode Type PWM Control.
  • Improving circuit efficiency (Since the step drive control can keep VRM of secondary rectification diodes low, the circuit efficiency can be improved by low VF).
  • Automatically changed operation mode in response to load conditions Fixed switching frequency mode, 65 kHz (typ. ) Green mode, 30 kHz (typ. ) to 65 kHz (typ. ) Burst oscillation mode.
  • No Load Power Consumption, PIN < 30 mW.
  • Soft Start F.

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Datasheet preview – STR3W400MXD

Datasheet Details

Part number STR3W400MXD
Manufacturer Sanken
File Size 488.98 KB
Description Off-Line PWM Controllers
Datasheet download datasheet STR3W400MXD Datasheet
Additional preview pages of the STR3W400MXD datasheet.

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Full PDF Text Transcription

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Off-Line PWM Controllers with Integrated Power MOSFET STR3W400MXD Series Data Sheet Description The STR3W400MXD series is power IC for switching power supplies, incorporating a power MOSFET and a current mode PWM controller IC. The operating mode of the IC automatically changes to green-mode or burst oscillation mode according to load in order to improve the all load efficiency. The product achieves high cost-performance power supply systems with few external components.
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