str-a6251md Allegro MicroSystems, Inc., str-a6251md Datasheet
str-a6251md
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str-a6251md Summary of contents
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... Universal-Input/ kHz Flyback Switching Regulators Description The STR-A6251MD 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. ...
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... Latching Overvoltage Protection (OVP) Undervoltage Lockout (UVLO) with Hysteresis Latching Thermal Shutdown (TSD) Molded Small-Size 8-Pin Package ▪ For Low-Height SMPS Selection Guide Part Number STR-A6251MD *Contact Allegro for additional packing options ABSOLUTE MAXIMUM RATINGSat T Characteristic Symbol Control Supply Voltage V CC ...
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... OLP FB(MAX SET(CC RES(CC startup 35.2 V CC(OVP =35.2 8.6 V CC( =35.2 5 θ JF STR-A6251MD Universal-Input/13 W Ratings Min Typ Max 650 - - - - 300 - - 3. 250 12.9 14 4.0 6 4.0 4.5 5.0 3.2 3.6 4.0 -7.7 -11.0 -15.4 7.7 11.0 15 ...
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... STR-A6251MD Universal-Input/ kHz Flyback Switching Regulator Avalanche energy is measured mH 2 MOSFET TYPICAL CHARACTERISTICS Recommended Operating Conditions Operating Ambient Temperature ........ -20°C to +100°C Operating Junction Temperature ........ -20°C to +125°C Maximum Frame Temperature ......................... +115°C For the availability of parts meeting -40°C requirements, contact Allegro’ ...
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... Precautions must be taken to prevent accidental contact with power-line potentials. Do not connect grounded test equipment. The use of an isolation transformer is recommended during circuit development and breadboarding. www.allegromicro.com STR-A6251MD Universal-Input/ kHz Flyback Switching Regulator 5 ...
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... STR-A6251MD Universal-Input/ kHz Flyback Switching Regulator Typical Application NOTE: The start-up performance of the IC can only be guaranteed for values of C2 greater than 22 μF. This value is required to keep the internal supply voltage within regu- lation during IC initialization. The products described herein are manufactured in Japan by Sanken Electric Co ...
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... Dimensions in Millimeters (controlling dimensions) Terminal Finish: Pure Sn, 2 Product Weight: Approx. 0.51 g. Frame temperature For more effi cient heat radiation, connect a broad PCB pattern at pins 7 and 8. STR-A6251MD Universal-Input/13 W (for reference only) nd level interconnect category (e3 measured at the root of pin 3. EI 26EI 7 ...
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... Pencoed, Bridgend CF35 5HY, United Kingdom Tel: 44-1656-869-100, Fax: 44-1656-869-162 North America United States Allegro MicroSystems, Inc. 115 Northeast Cutoff Worcester, Massachusetts 01606, U.S.A. Tel: 1-508-853-5000, Fax: 1-508-853-7895 Allegro MicroSystems, Inc. 14 Hughes Street, Suite B105 Irvine, California 92618, U.S.A. Tel: 1-949-460-2003, Fax: 1-949-460-7837 STR-A6251MD Universal-Input/ ...