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STR3A475HDL - Off-line PWM Controllers

General Description

The STR3A475HDL is power IC for switching power supplies, incorporating a MOSFET and a current mode PWM controller IC.

The low standby power is accomplished by the automatic switching between the PWM operation in normal operation and the burst-oscillation under light load conditions.

Key Features

  • Bare Lead Frame: Pb-free (RoHS Compliant).
  • Low Thermal Resistance Package.
  • 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).
  • Noise Reduction.
  • Current Mode Type PWM Control.
  • Soft Start Function.
  • Automatic Standby Function No Load Power Consumption.

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Datasheet Details

Part number STR3A475HDL
Manufacturer Sanken
File Size 724.60 KB
Description Off-line PWM Controllers
Datasheet download datasheet STR3A475HDL Datasheet

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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Off-line PWM Controllers with Integrated Power MOSFET STR3A475HDL Data Sheet Description The STR3A475HDL is power IC for switching power supplies, incorporating a MOSFET and a current mode PWM controller IC. The low standby power is accomplished by the automatic switching between the PWM operation in normal operation and the burst-oscillation under light load conditions. The product achieves high cost-performance power supply systems with few external components.