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SWCS049D 数据表(PDF) 32 Page - Texas Instruments |
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SWCS049D 数据表(HTML) 32 Page - Texas Instruments |
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32 / 144 page  32 TPS65911 SWCS049S – JUNE 2010 – REVISED AUGUST 2018 www.ti.com Submit Documentation Feedback Product Folder Links: TPS65911 Specifications Copyright © 2010–2018, Texas Instruments Incorporated 5.20 Electrical Characteristics: LDO6, LDO7, and LDO8 Over operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT Input voltage on VCC3 (VIN) VOUT (LDO6) = 1.2 V at 150 mA, VOUT (LDO7) = 1.1 V at 150 mA and (VLDO8) = 1 V at 180 mA 1.7 5.5 V VOUT (LDO7) = 1.8 V or 2 V and VOUT (LDO6) = 1.8 V 2.7 5.5 VOUT (LDO7) = 2.8 V 3.2 5.5 VOUT (LDO7) = 3.3 V 3.6 5.5 VOUT (LDO7) = 2.8 V at 250 mA 3.2 5.5 VOUT (LDO7) = 3.0 V 3.6 5.5 VOUT (LDO7) = 3.3 V at 250 mA 3.6 5.5 LDO6 DC Output voltage (VOUT) On and low-power mode, VIN = VINmin to VINmax SEL[6:2] = 00010 1 V SEL[6:2] = 00011 1.1 ... –3% ... 3% SEL[6:2] = 11000 3.2 SEL[6:2] = 11001 3.3 Rated output current (IOUTmax) On mode 300 mA Low-power mode 1 Load current limitation (short-circuit protection) On mode, VOUT = VOUTmin – 100 mV 450 550 650 mA Dropout voltage (VDO) On mode, VDO = VIN – VOUT VIN = 2.7 V, IOUT = IOUTmax 500 mV VIN = 2.7 V, IOUT = 250 mA 400 VIN = 2.7 V, IOUT = 200 mA 300 VIN = 1.7 V, IOUT = 180 mA 700 VIN = 1.7 V, IOUT = 150 mA 500 VIN = 1.7 V, IOUT = 100 mA 300 DC load regulation On mode, IOUT = IOUTmin to 0 15 mV DC line regulation On mode, VIN = VINmin to VINmax at IOUT = IOUTmax 4 mV Transient load regulation On mode, VIN = 3.2 V, VOUTtyp = 2.8 V IOUT = 0.1 × IOUTmax to 0.9 × IOUTmax in 5 µs and IOUT = 0.9 × IOUTmax to 0.1 × IOUTmax in 5 µs 20 32 mV Transient line regulation On mode, VIN = 2.7 V + 0.5 V to 2.7 V in 30 µs and VIN = 2.7 V to 2.7 V + 0.5 V in 30 µs, IOUT = IOUTmax 5 15 mV Turnon time VOUT = (1 to 1.8 V), at IOUT = 0 measured from VOUT = 0.1 V up to 97% of VOUT 30 150 µs VOUT = (1.9 to 3.3 V), at IOUT = 0 measured from VOUT = 0.1 V up to 97% of VOUT 50 200 Turnon inrush current 200 450 mA Ripple rejection VIN = VINDC + 100 mVpp tone, VINDC+ = 3.8 V, IOUT = IOUTmax / 2 ƒ = 217 Hz 70 dB ƒ = 20 kHz 40 LDO6 internal resistance LDO off 60 Ω Ground current On mode, IOUT = 0 65 76 µA On mode, IOUT = IOUTmax 2000 Low-power mode 14 22 Off mode 1 |
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