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TPS22949ADRGR Fiches technique(PDF) 2 Page - Texas Instruments |
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TPS22949ADRGR Fiches technique(HTML) 2 Page - Texas Instruments |
2 / 22 page Bump View 1 2 B C D A Laser Marking View 2 1 B C D A EN2 V+ 1 8 Exposed Thermal Die Pad on Underside VIN VOUTCL 3 6 GND VOUTLDO 2 7 EN1 OC 4 5 TPS22949 TPS22949A SLVS908B – FEBRUARY 2009 – REVISED JUNE 2009.................................................................................................................................................... www.ti.com ORDERING INFORMATION TA PACKAGE(1)(2) ORDERABLE PART NUMBER TOP-SIDE MARKING SON – DRG Tape and reel TPS22949ADRGR ZUG –40°C to 85°C TPS22949YZPR _ _ _4Y_(3) WCSP – YZP Tape and reel TPS22949AYZPR _ _ _4Z_(3) (1) Package drawings, thermal data, and symbolization are available at www.ti.com/packaging. (2) For the most current package and ordering information, see the Package Option Addendum at the end of this document, or see the TI website at www.ti.com. (3) YZP: The actual top-side marking has three preceding characters to denote year, month, and sequence code, and one following character to designate the wafer fab/assembly site. Pin 1 identifier indicates solder-bump composition (1 = SnPb, • = Pb-free). YZP PACKAGE YZP PACKAGE TERMINAL ASSIGNMENTS D EN1 OC C VIN VOUTCL B GND VOUTLDO A EN2 V+ 2 1 DRG PACKAGE (TOP VIEW) The exposed center pad, if used, must be connected as a secondary GND or left electrically open. TERMINAL FUNCTIONS TERMINAL NO. DESCRIPTION NAME YZP DRG A1 8 V+ Supply voltage A2 1 EN2 LDO control input. Active high. Do not leave floating. B1 7 VOUTLDO LDO output. Output of the RF LDO fixed to 1.8 V(1). B2 2 GND Ground C1 6 VOUTCL Switch output. Output of the power switch C2 3 VIN Supply input. Input to the power switch; bypass this input with a ceramic capacitor to ground. Over current output flag. Active low, open-drain output that indicates an over-current, supply D1 5 OC undervoltage, or over-temperature state. D2 4 EN1 Power switch control input. Active high. Do not leave floating. (1) Output voltages from 0.9 V to 3.6 V in 50-mV increments are available through the use of innovative factory EEPROM programming; minimum order quantities may apply. Contact factory for details and availability. 2 Submit Documentation Feedback Copyright © 2009, Texas Instruments Incorporated Product Folder Link(s): TPS22949 TPS22949A |
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