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TPS65058RGER Datasheet(PDF) 5 Page - Texas Instruments |
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TPS65058RGER Datasheet(HTML) 5 Page - Texas Instruments |
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5 / 26 page  TPS65058 www.ti.com................................................................................................................................................... SLVS851A – MAY 2008 – REVISED SEPTEMBER 2008 ELECTRICAL CHARACTERISTICS (continued) Vcc = VINDCDC1/2 = 3.6V, EN = Vcc, MODE = GND, L = 2.2µH, COUT = 22µF, TA = –40°C to 85°C typical values are at TA = 25°C (unless otherwise noted). PARAMETER TEST CONDITIONS MIN TYP MAX UNIT OUTPUT VIN = 2.5V to 6V, Mode = GND, -2% 0 2% PFM operation, 0 mA < IOUT < IOUTMAX DC output voltage DCDC1, VOUT accuracy DCDC2 VIN = 2.5V to 6V, Mode = VIN, –1% 0 1% PWM operation, 0 mA < IOUT < IOUTMAX IOUT = 1mA, Mode = GND, VO = 1.3V, ΔVOUT Power save mode ripple voltage 25 mVPP Bandwidth = 20MHz tStart Start-up time Time from active EN to Start switching 170 µs tRamp VOUT Ramp up Time Time to ramp from 5% to 95% of VOUT 750 µs RESET delay time Input voltage at threshold pin rising 80 100 120 ms VOL RESET output low voltage IOL = 1mA 0.2 V RESET sink current 1 mA RESET output leakage current 10 nA VLDO1, VLDO2, VLDO3 LOW DROPOUT REGULATORS Input voltage range for LDO1, LDO2, VINLDO 1.5 6.5 V LDO3 LDO1 output voltage range VLDO1 3.3/3.3 V (DEF_LDO = 1/0) LDO2 output voltage VLDO2 1.8/1.2 V range(DEF_LDO = 1/0) LDO3 output voltage VLDO3 1.8/1.3 V (DEF_LDO = 1/0) Feedback voltage for FB_LDO1, V(FB) 1 V FB_LDO2 Maximum output current for LDO1 400 mA IO Maximum output current for LDO2 230 mA Maximum output current for LDO3 200 mA LDO1 short-circuit current limit VLDO1 = GND 850 mA I(SC) LDO2 and LDO3 short-circuit current VLDO2 = GND, VLDO3 = GND 420 mA limit Dropout voltage at LDO1 IO = 400mA, VINLDO1 = 1.8V 280 mV Dropout voltage at LDO2, LDO3 IO = 200mA, VINLDO = 1.8V 280 mV Output voltage accuracy for LDO1, IO = 10mA –2% 1% LDO2, LDO3 Line regulation for LDO1, LDO2, VINLDO1,2 = VLDO1,2 + 0.5V (min. 2.5V) to 6.5V, –1% 1% LDO3 IO = 10 mA IO = 0mA to 400mA for LDO1 Load regulation for LDO1, LDO2, IO = 0mA to 230mA for LDO2 –1% 1% LDO3 IO = 0mA to 200mA for LDO3 Regulation time for LDO1, LDO2, Load change from 10% to 90% 10 µs LDO3 PSRR Power supply rejection ratio f = 10kHz; IO = 50mA; VI = VO + 1 V 70 dB Internal discharge resistor at VLDO1, R(DIS) Active when LDO is disabled 300 Ω VLDO2, VLDO3 TSD Thermal shutdown Increasing junction temperature 140 °C Thermal shutdown hysteresis Decreasing junction temperature 20 °C Copyright © 2008, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Link(s) :TPS65058 |
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