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STR-W6253D Datasheet PWM Off-Line Switching Regulator

Manufacturer: Sanken

Download the STR-W6253D datasheet PDF. This datasheet also includes the STR-W6251D variant, as both parts are published together in a single manufacturer document.

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Note: The manufacturer provides a single datasheet file (STR-W6251D-Sanken.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number STR-W6253D
Manufacturer Sanken
File Size 206.18 KB
Description PWM Off-Line Switching Regulator
Datasheet download datasheet STR-W6253D Datasheet

General Description

STR-W6200D series are power ICs for switching power supplies, incorporating a power MOSFET and a current mode PWM controller IC in one package.

Including a startup circuit and a standby function in the controller, the product achieves low power consumption, low standby power, and high cost-effectiveness in power supply systems, while reducing external components.

Applications: Switching power supplies for electronic devices such as: • White goods • Consumer electronics • Office automation • Industrial equipment • Communication equipment Typical Application VAC Clamp Snubber Circuit T1 D3 L2 VOUT C10 R9 P R3 PC1 R6 C1 D4 S R4 R7 C5 C6 R 5 C7 U1 STR-W6200D D1 R2 C2 D U2 R8 GND D/ST S/OCP VCC GND FB FM/ELP STR-W6200D-DS 1 34567 CV ROCP Damper Snubber C4 PC1 C3 External Latch Circuit (Optional) C8 SANKEN ELECTRIC CO., LTD.

Overview

STR-W6251D, STR-W6252D, and STR-W6253D PWM Off-Line Switching Regulator.

Key Features

  • TO-220 fully-molded package with 6 pins.
  • Current mode PWM control.
  • PWM and frequency modulation functions: reduces EMI noise, simplifies EMI filters, and cuts cost by external part reduction.
  • Built-in Slope Compensation circuit: avoids subharmonic oscillation.
  • Automatic Standby Mode function (Input Power < 40 mW at no load) ▫ Normal operation: PWM mode ▫ Light load operation: Standby mode (burst oscillation).
  • Built-in Audible Noise Suppression function during Stand.

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