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TPS71202DRCT Datasheet(PDF) 4 Page - Texas Instruments |
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TPS71202DRCT Datasheet(HTML) 4 Page - Texas Instruments |
4 / 21 page Current Limit Thermal Shutdown V REF 1.225 V UVLO 30 µA EN1 OUT1 IN Current Limit OUT2 NR EN2 250 k Ω Quickstart 5 pF TPS712xx Fixed/Fixed 30 µA V REF 1.225 V UVLO EN1 OUT1 IN OUT2 FB1 FB2 NR EN2 250 k Ω Quickstart 5 pF TPS712xx Adj/Adj Current Limit Thermal Shutdown Current Limit 90 k Ω 90 k Ω TPS71202, TPS71219 TPS71229, TPS71247 TPS71256, TPS71257 SBVS049D – MAY 2004 – REVISED AUGUST 2010 www.ti.com FUNCTIONAL BLOCK DIAGRAM — FUNCTIONAL BLOCK DIAGRAM — FIXED VERSION ADJUSTABLE VERSION Table 1. TERMINAL FUNCTIONS TERMINAL DESCRIPTION NAME DRC IN 1 Unregulated input supply. A small 0.1 mF capacitor should be connected from IN to GND. GND 5, Pad Ground Output of the regulator. A small 2.2 mF ceramic capacitor is required from this pin to ground to assure OUT1 3 stability. OUT2 4 Same as OUT1 but for LDO2. Driving the enable pin (EN) high turns on LDO1. Driving this pin low puts LDO1 into shutdown mode, EN1 10 reducing operating current. The enable pin should be connected to IN if not used. EN2 8 Same as EN1 but controls LDO2. FB1/NC 9 Feedback for CH1 adjustable version; no connection for non-adjustable CH1. FB2/NC 7 Feedback for CH2 adjustable version; no connection for non-adjustable CH2. NR 6 Noise reduction pin; connect an external bypass capacitor to reduce LDO output noise. NC 2 No connection. 4 Submit Documentation Feedback Copyright © 2004–2010, Texas Instruments Incorporated Product Folder Link(s): TPS71202 TPS71219 TPS71229 TPS71247 TPS71256 TPS71257 |
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