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TPS65020RHAR Datasheet(PDF) 9 Page - Texas Instruments |
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TPS65020RHAR Datasheet(HTML) 9 Page - Texas Instruments |
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9 / 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 VLDO1 and VLDO2 LOW DROPOUT REGULATORS VI Input voltage range for LDO1, 2 1.5 6.5 V VO LDO1 output voltage range 1 3.3 V VO LDO2 output voltage range 1.0 3.3 V Maximum output current for LDO1, IO 50 mA LDO2 LDO1 and LDO2 short circuit cur- I(SC) VLDO1 = GND, VLDO2 = GND 400 mA rent limit Minimum voltage drop at LDO1, IO = 50 mA, VINLDO = 1.8 V 120 mV LDO2 Minimum voltage drop at LDO1, IO = 50 mA, VINLDO = 1.5 V 65 150 mV LDO2 Output voltage accuracy for LDO1, IO = 10 mA –2% 1% LDO2 VINLDO1,2 = VLDO1,2 + 0.5 V (min. Line regulation for LDO1, LDO2 –1% 1% 2.5 V) to 6.5 V, IO = 10 mA Load regulation for LDO1, LDO2 IO = 0 mA to 50 mA –1% 1% Regulation time for LDO1, LDO2 Load change from 10% to 90% 10 µs ANALOGIC SIGNALS DEFDCDC1, DEFDCDC2, DEFDCDC3 VIH High level input voltage 1.3 VCC V VIL Low level input voltage 0 0.4 V IH Input bias current 0.001 0.05 µA LOGIC SIGNALS PB_IN; PB_OUT Low level output voltage at VOL IOL = 20 mA 0.5 V PB_OUT VOH High level output voltage PB_OUT 6 V VIL Low level input voltage PB_IN 0.4 V VIH High level input voltage PB_IN 1.3 Vcc(1) V II Input leakage current PB_IN 1 µA THERMAL SHUTDOWN T(SD) Thermal shutdown Increasing junction temperature 160 °C Thermal shudown hysteresis Decreasing junction temperature 20 °C INTERNAL UNDER VOLTAGE LOCK OUT UVLO Internal UVLO VCC falling –2% 2.35 2% V Internal UVLO comparator hyster- V(UVLO_HYST) 120 mV esis VOLTAGE DETECTOR COMPARATORS Comparator threshold Falling threshold –1% 1.0 1% V (PWRFAIL_SNS, LOWBAT_SNS) Hysteresis 40 50 60 mV Propagation delay 25 mV overdrive 10 µs POWER GOOD VDCDC1, VDCDC2, VDCDC3, VLDO1, V(PGOODF) –12% –10% –8% VLDO2, decreasing VDCDC1, VDCDC2, VDCDC3, VLDO1, V(PGOODR) –7% –5% –3% VLDO2, increasing (1) The input voltage can go as high as 6 V. If the input voltage exceeds VCC, an input current of (V(PB_IN) - 0.7 V - VCC) / 10 kR flows. 9 |
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