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TPS650231 Datasheet(PDF) 10 Page - Texas Instruments |
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TPS650231 Datasheet(HTML) 10 Page - Texas Instruments |
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10 / 55 page  TPS650231 SLVSAE3 – AUGUST 2010 www.ti.com ELECTRICAL CHARACTERISTICS VINDCDC1 = VINDCDC2 = VINDCDC3 (VINDCDC13) = VCC = VINLDO = 3.6 V, VBACKUP = 3 V, TA = –40°C to 85°C, typical values are at TA = 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(LD01) LDO1 output voltage range 1 3.15 V VO(LDO2) LDO2 output voltage range 1.05 3.3 V VI = 1.8 V, VO = 1.3 V 200 IO Maximum output current for LDO1, LDO2 mA VI = 1.5 V, VO = 1.3 V 120 I(SC) LDO1 and LDO2 short circuit current limit V(LDO1) = GND, V(LDO2) = GND 400 mA IO = 50 mA, VINLDO = 1.8 V 120 Minimum voltage drop at LDO1, LDO2 IO = 50 mA, VINLDO = 1.5 V 65 150 mV IO = 200 mA, VINLDO = 1.8 V 300 Output voltage accuracy for LDO1, LDO2 IO = 10 mA –2% 1% VINLDO1, 2 = VLDO1,2 + 0.5 V Line regulation for LDO1, LDO2 –1% 1% (min. 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 ms ANALOGIC SIGNALS DEFDCDC1, DEFDCDC2, DEFDCDC3 VIH High-level input voltage 1.3 VCC V VIL Low-level input voltage 0 0.1 V Input bias current 0.001 0.05 mA THERMAL SHUTDOWN T(SD) Thermal shutdown Increasing junction temperature 160 °C Thermal shutdown hysteresis Decreasing junction temperature 20 °C INTERNAL UNDERVOLTAGE LOCK OUT UVLO Internal UVLO VCC falling –2% 2.35 2% V V(UVLO_HYST) Internal UVLO comparator hysteresis 120 mV VOLTAGE DETECTOR COMPARATOR INPUTS PWRFAIL_SNS, LOWBAT_SNS Comparator threshold (PWRFAIL_SNS, LOWBAT_SNS) Falling threshold –1% 1 1% V LOWBAT_SNS for TPS650231RSB only Hysteresis 40 50 60 mV Propagation delay 25-mV overdrive 10 ms ILK Input leakage current 0.001 0.1 mA POWER GOOD VDCDC1, VDCDC2, VDCDC3, V(PGOODF) –12% –10% –8% VLDO1, VLDO2, decreasing VDCDC1, VDCDC2, VDCDC3, V(PGOODR) –7% –5% –3% VLDO1, VLDO2, increasing 10 Submit Documentation Feedback Copyright © 2010, Texas Instruments Incorporated Product Folder Link(s) : TPS650231 |
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