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STR-A6252 Datasheet

Part Number STR-A6252
Manufacturers Allegro MicroSystems
Logo Allegro MicroSystems
Description (STR-A6251/-A6252) Universal-Input/15 W 50 kHz Flyback Switching Regulators
Datasheet STR-A6252 DatasheetSTR-A6252 Datasheet (PDF)

g n i h tors c t i a Sw egul R STR-A6251 AND STR-A6252 Universal-Input/15 W 50 kHz Flyback Switching Regulators The STR-A6251 and STR-A6252 are 50 kHz PWM topology (with ±5% frequency jittering for minimum EMI) regulators specifically designed to satisfy the requirements for increased integration and reliability in flyback converters. They incorporate a primary control and drive circuit with avalanche-rated power MOSFETs. The STR-A6252 features higher allowable switching current and lower on-r.

  STR-A6252   STR-A6252






Part Number STR-A6259H
Manufacturers Allegro MicroSystems
Logo Allegro MicroSystems
Description Universal-Input 13 W 100 kHz Flyback Switching Regulators
Datasheet STR-A6252 DatasheetSTR-A6259H Datasheet (PDF)

Sanken Power Devices 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.

  STR-A6252   STR-A6252







Part Number STR-A6252M
Manufacturers Sanken Electric
Logo Sanken Electric
Description Universal-Input 20 W 67 kHz Flyback Switching Regulators
Datasheet STR-A6252 DatasheetSTR-A6252M Datasheet (PDF)

Sanken Power Devices from Allegro MicroSystems STR-A6252M Universal-Input 20 W 67 kHz Flyback Switching Regulators www.datasheet4u.com S Re w it gu chi lat ng ors Package DIP-8 Approximate Scale 1:1 FEATURES AND BENEFITS 67 kHz PWM with ±5% frequency jittering for EMI noise filtering and cost reduction Rugged 650 V avalanche-rated MOSFET: • Simplified surge absorption • No VDSS derating required Low RDS(on) : 2.8 Ω maximum Auto-burst mode for stand-by operation or light loads; less transfo.

  STR-A6252   STR-A6252







Part Number STR-A6251M
Manufacturers Allegro MicroSystems
Logo Allegro MicroSystems
Description Universal-Input/15 W 67 kHz Flyback Switching Regulator
Datasheet STR-A6252 DatasheetSTR-A6251M Datasheet (PDF)

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 .

  STR-A6252   STR-A6252







Part Number STR-A6251
Manufacturers Allegro MicroSystems
Logo Allegro MicroSystems
Description (STR-A6251/-A6252) Universal-Input/15 W 50 kHz Flyback Switching Regulators
Datasheet STR-A6252 DatasheetSTR-A6251 Datasheet (PDF)

g n i h tors c t i a Sw egul R STR-A6251 AND STR-A6252 Universal-Input/15 W 50 kHz Flyback Switching Regulators The STR-A6251 and STR-A6252 are 50 kHz PWM topology (with ±5% frequency jittering for minimum EMI) regulators specifically designed to satisfy the requirements for increased integration and reliability in flyback converters. They incorporate a primary control and drive circuit with avalanche-rated power MOSFETs. The STR-A6252 features higher allowable switching current and lower on-r.

  STR-A6252   STR-A6252







(STR-A6251/-A6252) Universal-Input/15 W 50 kHz Flyback Switching Regulators

g n i h tors c t i a Sw egul R STR-A6251 AND STR-A6252 Universal-Input/15 W 50 kHz Flyback Switching Regulators The STR-A6251 and STR-A6252 are 50 kHz PWM topology (with ±5% frequency jittering for minimum EMI) regulators specifically designed to satisfy the requirements for increased integration and reliability in flyback converters. They incorporate a primary control and drive circuit with avalanche-rated power MOSFETs. The STR-A6252 features higher allowable switching current and lower on-resistance. The STR-A6251 is also available for 67 kHz operation. Covering the power range from below 21 watts or 24 watts for a 230 VAC input, or to 15 or 20 watts for a universal (85 to 264 VAC) input, these devices 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. An auto-burst standby function reduces power consumption at light load, while multiple protections, including the avalanche-energy guaranteed MOSFET, provide high reliability of system design. Cycle-by-cycle current limiting, undervoltage lockout with hysterwww.DataSheet4U.com esis, overvoltage protection, and thermal shutdown protect the power supply during the normal overload and fault conditions. Overvoltage protection and thermal shutdown are latched after a short delay. The latch may be reset by cycling the input supply. Low start-up current and a low-power standby mode selected from the secondary circuit completes a comprehens.


2007-05-02 : 2SA2151    2SA2151A    2SC6011    2SC6011A    8904    A3989    A3992    A3995    A5338    A8292   


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