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STR5A464D - Off-Line PWM Controller

General 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.

Key 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.

📥 Download Datasheet

Datasheet Details

Part number STR5A464D
Manufacturer Sanken
File Size 618.75 KB
Description Off-Line PWM Controller
Datasheet download datasheet STR5A464D 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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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.