STR-A6251 ALLEGRO [Allegro MicroSystems], STR-A6251 Datasheet
STR-A6251
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STR-A6251 Summary of contents
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... Control Supply Voltage Drain-Source Voltage, V 650 V DSS . . . . . . Drain Switching Current STR-A6251 . . . . . . . . . . . . . . 2.5 A* STR-A6252 . . . . . . . . . . . . . . 3.0 A* Peak Drain Switching Current STR-A6251 . . . . . . . . . . . . . . . 2.5 A STR-A6252 . . . . . . . . . . . . . . . 3.0 A Single-Pulse Avalanche Energy STR-A6251 . . . . . . . . . . . . . . 72 mJ STR-A6252 . . . . . . . . . . . . . 123 mJ S/OCP Voltage Range –0 OCP FB/CC/OLP Voltage Range –0 +12 V ...
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... STR-A6251 and STR-A6252 Universal-Input/ kHz Flyback Switching Regulators 2 FUNCTIONAL BLOCK DIAGRAM FEATURES Automatic Burst Stand-By (intermittent operation) Input Power <0 Load Auto-Bias Function Stable Burst Operation Without Generating Interference Internal Off-Timer Circuit Built-In Constant-Voltage/Constant Current Multiple Protections: Pulse-by-Pulse Overcurrent Protection (OCP) ...
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... SET(CC RES(CC startup 35 CC(OVP =35.2 CC CC( =35 θ JF STR-A6251 and STR-A6252 Universal-Input/ kHz Ratings Min Typ Max 650 - - - - 300 = 250 12.9 14 3.0 5.0 7 ...
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... STR-A6251 and STR-A6252 Universal-Input/ kHz Flyback Switching Regulators STR-A6251 Avalanche energy is measured mH 2 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-A6251 and STR-A6252 Universal-Input/ kHz Flyback Switching Regulators STR-A6251 STR-A6252 ...
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... STR-A6251 and STR-A6252 Universal-Input/ kHz Flyback Switching Regulators 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 regulation during IC initialization. The products described herein are manufactured in Japan by Sanken Electric Co ...
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... STR-A6251 and STR-A6252 Universal-Input/ kHz Flyback Switching Regulators PACKAGE DIMENSIONS Dimensions in Inches Dimensions in Millimeters (controlling dimensions) Terminal Finish: Pure Sn, 2 Product Weight: Approx. 0.51 g. Frame temperature For more efficient heat radiation, connect a broad PCB pattern at pins 7 and 8. (for reference only) nd level interconnect category (e3) ...