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A6211 Datasheet(PDF) 2 Page - Allegro MicroSystems |
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A6211 Datasheet(HTML) 2 Page - Allegro MicroSystems |
2 / 17 page Constant-Current 3-Ampere PWM Dimmable Buck Regulator LED Driver A6211 2 Allegro MicroSystems, Inc. 115 Northeast Cutoff Worcester, Massachusetts 01615-0036 U.S.A. 1.508.853.5000; www.allegromicro.com Absolute Maximum Ratings Characteristic Symbol Notes Rating Unit Supply Voltage VIN –0.3 to 50 V Bootstrap Drive Voltage VBOOT –0.3 to VIN+8 V Switching Voltage VSW –1.5 to VIN+0.3 V Linear Regulator Terminal VCC VCC to GND –0.3 to 14 V Enable and TON Voltage VEN, VTON –0.3 to VIN+0.3 V Current Sense Voltage VCS –0.3 to 7 V Operating Ambient Temperature TA G temperature range –40 to 105 ºC Maximum Junction Temperature TJ(max) 150 ºC Storage Temperature Tstg –65 to 125 ºC Selection Guide Part Number Operating Ambient Temperature, TA Package Packing A6211GLJTR-T –40ºC to 105ºC 8-pin SOICN with exposed thermal pad 3000 pieces per 13-in reel Thermal Characteristics may require derating at maximum conditions, see application information Characteristic Symbol Test Conditions* Value Unit Package Thermal Resistance, Junction to Ambient RθJA 4-layer PCB based on JEDEC standard 35 ºC/W Package Thermal Resistance, Junction to Pad RθJP 2 ºC/W *Additional thermal information available on the Allegro website. Pin-out Diagram Terminal List Table Number Name Function 1 VIN Supply voltage input terminals 2 TON Regulator on-time setting resistor terminal 3 EN Logic input for Enable and PWM dimming 4 CS Drive output current sense feedback 5 VCC Internal linear regulator output 6 GND Ground terminal 7 BOOT DMOS gate driver bootstrap terminal 8 SW Switched output terminals –PAD Exposed pad for enhanced thermal dissipation; connect to GND SW BOOT GND VCC VIN TON EN CS 1 2 3 4 8 7 6 5 PAD |
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