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STRW6251 - PWM Switching Regulator

Download the STRW6251 datasheet PDF. This datasheet also covers the STR-W6251D variant, as both devices belong to the same pwm switching regulator family and are provided as variant models within a single manufacturer datasheet.

General Description

The STR-W6200D series are current-mode PWM ICs that incorporate controller chips.

These devices are manufactured using a proprietary high-voltage BCD process, and avalancheguaranteed MOSFETs.

Key Features

  • Overcurrent protection (OCP) with ac input voltage compensation function; no additional peripheral circuits required.
  • minimizes dependency of OCP on ac input.
  • Overload protection (OLP) with integrated timer reduces power stress (temperature rise) at overload condition, requires no peripheral components.
  • Avalanche-guaranteed MOSFET improves device capability of withstanding excess surge voltage, providing a simple surge absorber circuit without breakdown voltage derating.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (STR-W6251D_AllegroMicrosystems.pdf) that lists specifications for multiple related part numbers.

📁 Similar Datasheet

Part Number Description Manufacturer
STRW6251D PWM Switching Regulator Allegro Microsystems
STRW6252D 60 W-Universal Input/40 W-230 Vac Input PWM Switching Regulators Sanken Electric
STRW6253 Hybrid-IC Sanken
STRW6253D 60 W-Universal Input/90 W-230 Vac Input PWM Switching Regulators Allegro Microsystems
STRW6000S PWM Off-Line Switching Regulator Sanken

Other Datasheets by Allegro MicroSystems

Part Number Description
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STR-F66xx Off-Line Quasi-Resonant Fltback Switching Regulators
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STR-G6653 OFF-LINE QUASI-RESONANT FLYBACK SWITCHING REGULATOR
STR-M6511 OFF-LINE SWITCHING REGULATOR

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.

View original datasheet text
STR-W6251D 30 W-Universal Input/45 W-230 Vac Input PWM Switching Regulators Features and Benefits ▪ Overcurrent protection (OCP) with ac input voltage compensation function; no additional peripheral circuits required—minimizes dependency of OCP on ac input ▪ Overload protection (OLP) with integrated timer reduces power stress (temperature rise) at overload condition, requires no peripheral components ▪ Avalanche-guaranteed MOSFET improves device capability of withstanding excess surge voltage, providing a simple surge absorber circuit without breakdown voltage derating ▪ Start-up circuit eliminates the need for a start-up resistor, and helps to reduce input power consumption Continued on the next page… Package: TO-220 Description The STR-W6200D series are current-mode PWM ICs that incorp