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TPS65140RGER Datasheet(PDF) 5 Page - Texas Instruments |
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TPS65140RGER Datasheet(HTML) 5 Page - Texas Instruments |
5 / 24 page www.ti.com 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 1 2 3 4 5 6 18 17 16 15 14 13 7 8 9 10 11 12 19 20 21 22 23 24 Exposed Thermal Die* COMP ENR EN FB1 FB4 BASE C2−/MODE C2+ OUT3 FB3 GND PG PWP PACKAGE TOP VIEW RGE PACKAGE TOP VIEW TPS65140 TPS65145 SLVS497B – SEPTEMBER 2003 – REVISED MARCH 2004 ELECTRICAL CHARACTERISTICS (continued) V in = 3.3 V, EN = VIN, Vo1 = 10 V, TA= -40°C to 85°C, typical values are at TA = 25°C (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT Q3 P-Channel switch 9.9 15.5 rDS(on) Q4 N-Channel switch 1.1 1.8 rDS(on) rDS(on) IO = 20 mA Ω Q5 P-Channel switch 4.6 8.5 rDS(on) Q6 N-Channel switch 1.2 2.2 rDS(on) D1 – D4 Shottky diode for- Vd ID1-D4 = 40 mA 610 720 mV ward voltage IO Minimum output current 20 mA 10 V ≤ Vo1 ≤ 15 V, I load = 10 mA, Vo3 = Line regulation 0.56 %/V 27 V Load regulation 1 mA ≤ I O≤ 20 mA, Vo3 = 27 V 0.05 %/mA LINEAR REGULATOR CONTROLLER Vo4 Vo4 Output voltage 4.5 V ≤V I≤ 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 cur- IBASE mA rent Vin-Vo4-VBE≥ 0.75 V (1) 20 27 Line regulation 4.75 V ≤ V I≤5.5 V, Iload = 500 mA 0.186 %/V Load regulation 1 mA ≤ I O≤ 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 µA 0.3 V IL PG output leakage current VPG = 5 V 0.001 1 uA (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 3 outputs (Vo1, Vo2, Vo3) are above their threshold. The power good goes low as soon as one of the outputs is below their threshold. 5 |
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