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LP3990TL-1.2 Datasheet(PDF) 2 Page - Texas Instruments |
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LP3990TL-1.2 Datasheet(HTML) 2 Page - Texas Instruments |
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2 / 24 page  VIN GND 6 5 VEN 4 N/C 1 VOUT 2 Gnd 3 N/C VIN GND 6 5 VEN 4 N/C 1 VOUT 2 Gnd 3 N/C Top View Bottom View Bottom View Top View B1 A1 B2 A2 VIN VOUT VEN GND B1 A1 B2 A2 VIN VOUT VEN GND LP3990 SNVS251I – MAY 2004 – REVISED MAY 2013 www.ti.com PIN DESCRIPTIONS Pin No Symbol Name and Function WQFN DSBGA SOT-23 5 A2 3 VEN Enable Input; Enables the Regulator when ≥ 0.95V. Disables the Regulator when ≤ 0.4V. Enable Input has 1M Ω pulldown resistor to GND. 2 A1 2 GND Common Ground. Connect to Pad. 1 B1 5 VOUT Voltage output. A 1.0µF Low ESR Capacitor should be connected to this Pin. Connect this output to the load circuit. 6 B2 1 VIN Voltage Supply Input. A 1.0µF capacitor should be connected at this input. 3 4 N/C No Connection. Do not connect to any other pin. 4 N/C No Connection. Do not connect to any other pin. Pad GND Common Ground. Connect to Pin 2. Connection Diagram DSBGA, 4 Bump Package See Package Number YZR0004 WQFN-6 Package See Package Number NGG0006A 2 Submit Documentation Feedback Copyright © 2004–2013, Texas Instruments Incorporated Product Folder Links: LP3990 |
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