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TPS65145-Q1 Datasheet(PDF) 5 Page - Texas Instruments |
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TPS65145-Q1 Datasheet(HTML) 5 Page - Texas Instruments |
5 / 26 page DEVICE INFORMATION 1 2 3 4 5 6 7 8 9 10 11 12 24 23 22 21 20 19 18 17 16 15 14 13 FB1 FB4 BASE VIN SW SW PGND PGND SUP PG GND FB3 EN ENR COMP FB2 REF GND DRV C1− C1+ C2−/MODE C2+ OUT3 PWP PACKAGE TOP VIEW TPS65140-Q1 TPS65145-Q1 www.ti.com ................................................................................................................................................. SGLS277A – NOVEMBER 2004 – REVISED APRIL 2008 ELECTRICAL CHARACTERISTICS (continued) VIN = 3.3 V, EN = VIN, Vo1 = 10 V, TA= -40°C to 85°C, typical values are at TA = 25C (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT D1 – D4 Shottky diode Vd ID1-D4 = 40 mA 610 720 mV forward voltage IO Minimum output current 20 mA 10 V ≤ Vo1 ≤ 15 V, Iload = 10 mA, Line regulation 0.56 %/V Vo3 = 27 V Load regulation 1 mA ≤ IO ≤ 20 mA, Vo3 = 27 V 0.05 %/mA LINEAR REGULATOR CONTROLLER Vo4 Vo4 Output voltage 4.5 V ≤ VI ≤ 5.5 V; 10 mA ≤ IO ≤ 500 mA 3.2 3.3 3.4 V VIN-Vo4-VBE≥ 0.5 V (1) 13.5 19 Maximum base drive IBASE mA current VIN-Vo4-VBE≥ 0.75 V (1) 20 27 Line regulation 4.75 V ≤ VI ≤ 5.5 V, Iload = 500 mA 0.186 %/V Load regulation 1 mA ≤ IO ≤ 500 mA, VI = 5 V 0.064 %/A Start up current Vo4 ≤ 0.8 V 11 20 25 mA SYSTEM POWER GOOD (PG) V(PG, VO1) -12 -8.75% Vo1 -6 V V(PG, VO2) Power good threshold(2) -13 -9.5% Vo2 -5 V V(PG, VO3) -11 -8% Vo3 -5 V VOL PG output low voltage I(sink) = 500 A 0.3 V IL PG output leakage current VPG = 5 V 0.001 1 µA (1) With VIN = supply voltage of the TPS65140, Vo4 = output voltage of the regulator, VBE = basis emitter voltage of external transistor. (2) The power good goes high when all three outputs (Vo1, Vo2, Vo3) are above their threshold. The power good goes low as soon as one of the outputs is below their threshold. Copyright © 2004–2008, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Link(s): TPS65140-Q1 TPS65145-Q1 |
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