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STR5A464S - Off-Line PWM Controller

This page provides the datasheet information for the STR5A464S, a member of the STR5A464D Off-Line PWM Controller family.

Datasheet Summary

Description

The STR5A464x Series is power ICs for switching power supplies, incorporating a MOSFET and a current mode PWM controller IC for non-isolated Buck converter and Inverting converter topologies.

Features

  • Pb-free (RoHS compliant).
  • Buck Converter.
  • Inverting Converter.
  • Current Mode PWM Control.
  • Automatically Switch the Operation Mode According to the Load Heavy Load: 60 kHz (typ. ) Fixed Switching Frequency Mode Medium Load: Green Mode, 23 kHz (typ. ) to 60 kHz (typ. ) Light Load: Burst Oscillation Mode.
  • No Current Detection Resistor Required (Built-in Current Sensing MOSFET).
  • Built-in Startup Function.
  • Built-in Error Amplifier.
  • Random Switching Function.

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Datasheet preview – STR5A464S

Datasheet Details

Part number STR5A464S
Manufacturer Sanken
File Size 618.75 KB
Description Off-Line PWM Controller
Datasheet download datasheet STR5A464S Datasheet
Additional preview pages of the STR5A464S datasheet.

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Full PDF Text Transcription

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For Non-Isolated Off-Line PWM Controllers with Integrated Power MOSFET STR5A464x Series Data Sheet Description The STR5A464x Series is power ICs for switching power supplies, incorporating a MOSFET and a current mode PWM controller IC for non-isolated Buck converter and Inverting converter topologies. The operation mode is automatically changed, in response to load, to the fixed switching frequency, to the switching frequency control, and to the burst oscillation mode. Thus the power efficiency is improved. The product achieves high cost-performance power supply systems with few external components. Features ● Pb-free (RoHS compliant) ● Buck Converter ● Inverting Converter ● Current Mode PWM Control ● Automatically Switch the Operation Mode According to the Load Heavy Load: 60 kHz (typ.
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