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TPS780270200DDCR Datasheet(PDF) 4 Page - Texas Instruments |
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TPS780270200DDCR Datasheet(HTML) 4 Page - Texas Instruments |
4 / 27 page FUNCTIONAL BLOCK DIAGRAM Thermal Shutdown 10kW Current Limit Bandgap IN EN OUT EPROM V SET/FB (1) LOGIC Active Pull- Down GND PIN CONFIGURATIONS TPS780DRV 2mmx2mmSON-6 (TOPVIEW) IN GND EN 6 5 4 OUT N/C V FB / SET 1 2 3 Thermal Pad (1) TPS780DDC TSOT23-5 (TOPVIEW) OUT V /FB SET IN GND EN 1 2 3 5 4 TPS780 Series SBVS083C – JANUARY 2007 – REVISED MAY 2008 ....................................................................................................................................................... www.ti.com (1) Feedback pin (FB) for adjustable versions; VSET for fixed voltage versions. (1) It is recommended that the SON package thermal pad be connected to ground. Table 1. TERMINAL FUNCTIONS TERMINAL NAME DRV DDC DESCRIPTION Regulated output voltage pin. A small (1 µF) ceramic capacitor is needed from this pin to OUT 1 5 ground to assure stability. See the Input and Output Capacitor Requirements in the Application Information section for more details. N/C 2 — Not connected. Feedback pin (FB) for adjustable versions; VSET for fixed voltage versions. Driving the select VSET/FB 3 4 pin (VSET) below 0.4V selects preset output voltage high. Driving the VSET pin over 1.2V selects preset output voltage low. Driving the enable pin (EN) over 1.2V turns on the regulator. Driving this pin below 0.4V puts EN 4 3 the regulator into shutdown mode, reducing operating current to 18nA typical. GND 5 2 Ground pin. Input pin. A small capacitor is needed from this pin to ground to assure stability. Typical input IN 6 1 capacitor = 1.0 µF. Both input and output capacitor grounds should be tied back to the IC ground with no significant impedance between them. Thermal pad Thermal pad — It is recommended that the SON package thermal pad be connected to ground. 4 Submit Documentation Feedback Copyright © 2007–2008, Texas Instruments Incorporated |
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