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A8499 数据表(PDF) 2 Page - Allegro MicroSystems |
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A8499 数据表(HTML) 2 Page - Allegro MicroSystems |
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2 / 7 page  High Voltage Step-Down Regulator A8499 2 Allegro MicroSystems, Inc. 115 Northeast Cutoff, Box 15036 Worcester, Massachusetts 01615-0036 (508) 853-5000 www.allegromicro.com Functional Block Diagram Absolute Maximum Ratings Package Thermal Characteristics* Package RθJA (°C/W) PCB LJ 35 4-layer * Additional information is available on the Allegro Web site Supply Voltage, VIN .........................................................................50 V VBIAS Input Voltage, VBIAS .................................................–0.3 to 7 V Switch Voltage, VLX.........................................................................–1 V ENB Input Voltage, VENB ......................................................–0.3 to 7 V Junction Temperature, TJ(max) ....................................................... 150°C Storage Temperature, TS ............................................... –55°C to 150°C Operating Ambient Temperature, TA............................... –20°C to 85°C – + – BOOT ENB TSET GND VIN LX FB VBIAS Switch PWM µC Soft Start Ramp Generation COMP 1.2 V Boot Charge VBIAS is connected to VOUT when VOUT target is between 3.3 and 5 V D1 L1 VIN COUT VOUT ESR UVLO TSD Switch Disable Bias Supply I_Peak I_Demand Clamp Ordering Information Use the following complete part numbers when ordering: Part Numbera Packingb Description A8499SLJTR-T 13 in. reel, 3000 pieces/reel LJ package, SOIC surface mount with exposed thermal pad A8499SLJ-T 98 pieces/tube aLeadframe plating 100% matte tin. bContact Allegro for additional packing options. |
类似零件编号 - A8499 |
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类似说明 - A8499 |
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