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STR3A455D - Off-Line PWM Controllers

Download the STR3A455D datasheet PDF. This datasheet also covers the STR3A400 variant, as both devices belong to the same off-line pwm controllers family and are provided as variant models within a single manufacturer datasheet.

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Note: The manufacturer provides a single datasheet file (STR3A400-Sanken.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number STR3A455D
Manufacturer Sanken
File Size 865.02 KB
Description Off-Line PWM Controllers
Datasheet download datasheet STR3A455D Datasheet

General Description

The STR3A400 series are power ICs 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.

Overview

Off-Line PWM Controllers with Integrated Power MOSFET STR3A400 Series Data.

Key Features

  • 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).
  • Current Mode Type PWM Control.
  • Soft Start Function.
  • Automatic Standby Function No Load Power Consumption < 15mW.
  • Operation Mode Normal Operation -----------------------------PWM Mode Light Load Operation ------------------------ Green-Mode Standby ---------------------------.

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