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TPS65020RHA Datasheet(PDF) 5 Page - Texas Instruments |
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TPS65020RHA Datasheet(HTML) 5 Page - Texas Instruments |
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5 / 44 page  www.ti.com ELECTRICAL CHARACTERISTICS TPS65020 SLVS607 – SEPTEMBER 2005 VINDCDC1 = VINDCDC2 = VINDCDC3 = VCC = VINLDO = 3.6 V, VBACKUP = 3 V, T A = –40°C to 85°C, typical values are at T A = 25°C (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT SUPPLY PINS: VCACKUP, VSYSIN, VRTC VBACKUP = 3 V, VSYSIN = 0 V; I(q) Operating quiescent current 20 33 µA VCC = 2.6 V, current into VBACKUP VBACKUP < V_VBACKUP, current into I(SD) Operating quiescent current 2 3 µA VBACKUP VRTC LDO output voltage VSYSIN = VBACKUP = 0 V, IO = 0 mA 3 V IO Output current for VRTC VSYSIN < 2.57 V and VBACKUP < 2.57 V 20 mA VRTC short-circuit current limit VRTC = GND; VSYSIN = VBACKUP = 0 V 100 mA Maximum output current at VRTC for VRTC > 2.6 V, VCC = 3 V; 30 mA RESPWRON = 1 VSYSIN = VBACKUP = 0 V VO Output voltage accuracy for VRTC VSYSIN = VBACKUP = 0 V; Io = 0 mA ± 1% Line regulation for VRTC VCC = VRTC + 0.5 V to 6.5 V, IO = 5 mA ±1% IO = 1 mA to 20 mA; Load regulation VRTC ±2% VSYSIN = VBACKUP = 0 V Regulation time for VRTC Load change from 10% to 90% 10 µs Ilkg Input leakage current at VSYSIN VSYSIN < V_VSYSIN 2 µA rDS(on) of VSYSIN switch 12.5 Ω rDS(on) of VBACKUP switch 12.5 Ω Input voltage range at VBACKUP(1) 2.73 3.75 V Input voltage range at VSYSIN(1) 2.73 3.75 V VSYSIN threshold VSYSIN falling –3% 2.55 3% V VSYSIN threshold VSYSIN rising –3% 2.65 3% V VBACKUP threshold VBACKUP falling –3% 2.55 3% V VBACKUP threshold VBACKUP falling -3% 2.65 3% V SUPPLY PIN: VINLDO I(q) Operating quiescent current Current per LDO into VINLDO 16 30 µA Total current for both LDOs into VINLDO, I(SD) Shutdown current 0.1 1 µA VLDO = 0 V (1) Based on the requirements for the Intel PXA270 processor. 5 |
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