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A3906 Datasheet(PDF) 10 Page - Allegro MicroSystems |
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A3906 Datasheet(HTML) 10 Page - Allegro MicroSystems |
10 / 10 page Low Voltage Stepper and Single/Dual DC Motor Driver A3906 10 Allegro MicroSystems, Inc. 115 Northeast Cutoff Worcester, Massachusetts 01615-0036 U.S.A. 1.508.853.5000; www.allegromicro.com ES Package, 20-Contact QFN with Exposed Thermal Pad Copyright ©2008, Allegro MicroSystems, Inc. The products described here are manufactured under one or more U.S. patents or U.S. patents pending. Allegro MicroSystems, Inc. reserves the right to make, from time to time, such departures from the detail specifications as may be required to per- mit improvements in the performance, reliability, or manufacturability of its products. Before placing an order, the user is cautioned to verify that the information being relied upon is current. Allegro’s products are not to be used in life support devices or systems, if a failure of an Allegro product can reasonably be expected to cause the failure of that life support device or system, or to affect the safety or effectiveness of that device or system. The information included herein is believed to be accurate and reliable. However, Allegro MicroSystems, Inc. assumes no responsibility for its use; nor for any infringement of patents or other rights of third parties which may result from its use. For the latest version of this document, visit our website: www.allegromicro.com 0.95 C SEATING PLANE C 0.08 21X 20 20 2 1 1 2 20 2 1 A A Terminal #1 mark area Coplanarity includes exposed thermal pad and terminals B Exposed thermal pad (reference only, terminal #1 identifier appearance at supplier discretion) For Reference Only (reference JEDEC MO-220WGGD) Dimensions in millimeters Exact case and lead configuration at supplier discretion within limits shown C D D C Reference land pattern layout (reference IPC7351 QFN50P400X400X80-21BM) All pads a minimum of 0.20 mm from all adjacent pads; adjust as necessary to meet application process requirements and PCB layout tolerances; when mounting on a multilayer PCB, thermal vias at the exposed thermal pad land can improve thermal dissipation (reference EIA/JEDEC Standard JESD51-5) 4.10 0.30 0.50 4.10 0.50 0.75 ±0.05 2.45 2.45 0.25 +0.05 –0.07 0.40 +0.15 –0.10 4.00 ±0.15 4.00 ±0.15 2.45 2.45 B PCB Layout Reference View |
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