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STRA6251M - Flyback Switching Regulator

Download the STRA6251M datasheet PDF (STR-A6251M included). The manufacturer datasheet provides complete specifications, pinout details, electrical characteristics, and typical applications for flyback switching regulator.

Description

and applications information is provided in Application Note 28103.40, Series STRA6200 Flyback Switching Regulators.

The products described herein are manufactured in Japan by Sanken Electric Co., Ltd.

for sale by Allegro MicroSystems, Inc.

Features

  • 67 kHz PWM with ±5% Frequency Jittering Cost Reduction of EMI Noise Filtering.
  • Rugged 650 V Avalanche-Rated MOSFET Simplified Surge Absorption No VDSS Derating Required.
  • Low rDS(on) (3.95 Ω maximum).
  • Auto-Burst Mode for Stand-By Operation or Light Loads Less Transformer Audible Noise.
  • Built-In Leading Edge Blanking.
  • Soft Start and Low Start-Up Current Start-Up Circuit Disabled in Operation.
  • Low Operating Current (4 mA max).
  • Automatic Burst Stand-By (inter.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (STR-A6251M_AllegroMicroSystems.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number STRA6251M
Manufacturer Allegro MicroSystems
File Size 352.27 KB
Description Flyback Switching Regulator
Datasheet download datasheet STRA6251M Datasheet

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Full PDF Text Transcription

Click to expand full text
g n i h tors c t i a Sw egul R STR-A6251M Universal-Input/15 W 67 kHz Flyback Switching Regulator The STR-A6251M is a 67 kHz PWM topology (with ±5% frequency jittering for minimum EMI) regulator specifically designed to satisfy the requirements for increased integration and reliability in flyback converters. It incorporates a primary control and drive circuit with an avalanche-rated power MOSFET. This is a higher-frequency version of the STR-A6251. Covering the power range from below 21 watts for a 230 VAC input, or to 15 watts for a universal (85 to 264 VAC) input, this device can be used in a wide range of applications, from DVD players and VCR player/recorders to ac adapters for cellular phones and digital cameras.
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