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A6259H Datasheet STR-A6259H

Manufacturer: Allegro MicroSystems

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Overview

Sanken Power Devices www.DataSheet4U.com from Allegro MicroSystems STR-A6259H Universal-Input 13 W 100 kHz Flyback Switching Regulators S Re w it gu chi lat ng ors Soft start and low start-up current; start-up circuit disabled in operation Auto-burst stand-by (intermittent operation) input power <0.1 W at no load Built-in constant-voltage/constant current (CV/CC) Multiple protections: • Pulse-by-pulse overcurrent protection (OCP) • Overload protection (OLP) with auto restart • Latching overvoltage protection (OVP) • Undervoltage lockout (UVLO) with hysteresis • Latching thermal shutdown (TSD) All performance characteristics given are typical values for circuit or system baseline design only and are at the nominal operating voltage and an ambient temperature of +25°C, unless otherwise stated.

Datasheet 28103.44-6b The STR-A6259H is a 100 kHz PWM topology (with ±5% frequency jittering for minimum EMI) regulator specifically designed to satisfy the requirements for increased integration and reliability Package DIP-8 in flyback converters.

It incorporates a primary control and drive circuit with an avalanche-rated power MOSFET.

Key Features

  • provide high reliability of system design. 100 kHz PWM with ±5% frequency jittering for EMI noise Cycle-by-cycle current limiting, undervoltage lockout with filtering cost reduction hysteresis, overvoltage protection, and thermal shutdown protect the power supply during the normal overload and fault conditions. www. DataSheet4U. com Rugged 650 V avalanche-rated MOSFET: Overvoltage protection and thermal shutdown are latched after a.
  • Simplified surge absorption short delay. The latch may b.

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