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A8294 Datasheet(PDF) 2 Page - Allegro MicroSystems |
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A8294 Datasheet(HTML) 2 Page - Allegro MicroSystems |
2 / 18 page Single LNB Supply and Control Voltage Regulator A8294 2 Allegro MicroSystems, Inc. 115 Northeast Cutoff Worcester, Massachusetts 01615-0036 U.S.A. 1.508.853.5000; www.allegromicro.com Selection Guide Part Number Packinga Description A8294SESTR-Tb 7 in. reel, 1500 pieces/reel 12 mm carrier tape ES package, MLP/QFN surface mount 4 mm × 4 mm × 0.75 mm nominal height aContact Allegro for additional packing options. bLeadframe plating 100% matte tin. The device uses a 2-wire bidirectional serial interface, compatible with the I2C™ standard, that operates up to 400 kHz. The A8294 is supplied in a lead (Pb) free MLP/QFN package, ES, 20-contact, 4 mm × 4 mm, 0.75 nominal overall height. Description (continued) Thermal Characteristics may require derating at maximum conditions, see application information Characteristic Symbol Test Conditions* Value Unit Package Thermal Resistance RθJA On 4-layer PCB based on JEDEC standard 37 ºC/W *Additional thermal information available on the Allegro website Absolute Maximum Ratings Characteristic Symbol Conditions Rating Units Load Supply Voltage, VIN pin VIN 30 V Output Current1 IOUT Internally Limited A Output Voltage, BOOST pin –0.3 to 33 V Output Voltage, LNB pin Surge2 –1 to 33 V Output Voltage, LX pin –0.3 to 30 V Output Voltage, VCP pin VCP –0.3 to 41 V Logic Input Voltage, EXTM pin –0.3 to 5 V Logic Input Voltage, other pins –0.3 to 7 V Logic Output Voltage –0.3 to 7 V Operating Ambient Temperature TA –20 to 85 °C Junction Temperature TJ(max) 150 °C Storage Temperature Tstg –55 to 150 °C 1Output current rating may be limited by duty cycle, ambient temperature, and heat sinking. Under any set of conditions, do not exceed the speci- fied current ratings, or a junction temperature, TJ, of 150°C. 2Use Allegro recommended Application circuit. |
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