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TPS65146 Datasheet(PDF) 3 Page - Texas Instruments |
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TPS65146 Datasheet(HTML) 3 Page - Texas Instruments |
3 / 30 page ELECTRICAL CHARACTERISTICS TPS65146 www.ti.com ........................................................................................................................................................................................... SLVS869 – NOVEMBER 2008 VIN = VLVIN = 3.3 V, VS = VSUP = 9V, VLVOUT = 2.5 V, VGH = 20 V, TA = –40°C to 85°C, typical values are at TA = 25°C (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT SUPPLY VIN Input voltage range 2.5 6.0 V IQIN Operating quiescent current into VIN Device not switching, VFB = 1.240 V + 3% 0.17 0.5 mA IQLVIN Operating quiescent current into LVIN VADJ = 1.240 V, VLVOUT = open, no load 25 45 µA IQVGH Operating quiescent current into VGH VFLK = GND 22 40 µA IQSUP Operating quiescent current into SUP Device not switching, VFB = 1.240 V + 3% 1.8 mA ISDVIN Shutdown current into VIN VIN = 1.8 V, VS = GND 20 33 µA ISDVGH Shutdown current into VGH VIN = 1.8 V, VGH = 32 V 30 50 µA ISDLVIN Shutdown current into LVIN VIN = 1.8 V, VLVOUT = open 0.1 2 µA ISDSUP Shutdown current into SUP VIN = 1.8 V, VSUP = 16.5 V 3 5 µA VIN falling 2.0 2.2 VUVLO Under-voltage lockout threshold V VIN rising 2.3 TSD Thermal shutdown Temperature rising 150 °C TSDHYS Thermal shutdown hysteresis 14 °C LOGIC SIGNALS FREQ, VFLK ILEAK Input leakage current VFLK = 6.0 V, FREQ = GND 0.1 µA VIH Logic high input voltage VIN = 2.5 V to 6 V 2 V VIL Logic low input voltage VIN = 2.5 V to 6 V 0.5 V BOOST CONVERTER VS Output voltage boost converter(1) 7 16.5 V VOVP Overvoltage protection VS rising 16.9 18 19 V VFB Feedback regulation voltage TA = -40°C to 85°C 1.226 1.240 1.254 V TA = 25°C 1.230 1.240 1.250 IFB Feedback input bias current VFB = 1.240V 0.1 µA gm Transconductiance error amplifier gain 115 µA/V VIN = VGS = 5 V, ISW = current limit 0.13 0.38 RDS(ON) N-channel MOSFET on-resistance Ω VIN = VGS = 3.3 V, ISW = current limit 0.15 0.44 ILEAK_SW SW leakage current VIN = 1.8 V, VSW = 17 V 30 µA ILIM N-Channel MOSFET current limit 2.0 2.5 3.0 A ISS Softstart current VSS = 1.240 V 4 µA FREQ = high 0.9 1.2 1.5 MHz fosc Switching frequency FREQ = low 470 625 780 kHZ IFREQ FREQ sink current FREQ = 3.3 V 4 µA Line regulation VIN = 2.5 V to 6.0 V, IOUT = 10 mA 0.008 %/V Load regulation IOUT = 0 A to 500 mA, VIN = 3.3 V 0.15 %/A LDO REGULATOR VLVOUT LDO output voltage range 1.240 4 V VADJ Feedback regulation voltage ILVOUT = 2mA, VLVOUT = 1.240 V, TA = -40°C to 1.222 1.240 1.258 V 85°C ILVOUT = 2mA, VLVOUT = 1.240 V, TA = 25°C 1.225 1.240 1.255 IADJ Feedback input bias current VADJ = 1.240 V 0.1 µA ISC_LDO Short circuit current limit VIN = VLVIN = 6 V, LVOUT = GND, ADJ = GND 750 mA ILVOUT = 350 mA, VLVIN = VLVOUT – 0.1V 280 410 mV VDO Dropout voltage ILVOUT = 500 mA, VLVIN = VLVOUT – 0.1V 430 620 Line regulation VLVIN = 2.7 V to 5.5 V, ILVOUT = 100 mA 0.005 %/V Load regulation ILVOUT = 1 mA to 300 mA 0.6 %/A (1) Maximum output voltage limited by the Overvoltage Protection and not the maximum power switch rating of the boost converter. Copyright © 2008, Texas Instruments Incorporated Submit Documentation Feedback 3 Product Folder Link(s) :TPS65146 |
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