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TPS65050RSMTG4 Datasheet(PDF) 5 Page - Texas Instruments |
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TPS65050RSMTG4 Datasheet(HTML) 5 Page - Texas Instruments |
5 / 37 page www.ti.com TPS65050, TPS65051, TPS65052 TPS65054, TPS65056 SLVS710 – JANUARY 2007 ELECTRICAL CHARACTERISTICS (continued) V CC = VINDCDC1/2 = 3.6 V, EN = VCC, MODE = GND, L = 2.2 µH, CO = 10 µF. TA = -40°C to 85°C, typical values are at T A = 25°C (unless otherwise noted). PARAMETER TEST CONDITIONS MIN TYP MAX UNIT OUTPUT Output voltage range for DCDC1, externally adjustable VINDCDC VO 0.6 V DCDC2 versions 1/2 externally adjustable Vref Reference voltage 600 mV versions VINDCDC1/2 = 2.5 V to 6 V 0 mA < IO = < IO(max) -2% 0 2% Mode = GND, PFM operation DC output voltage DCDC1, VO accuracy DCDC2(1) VINDCDC1/2 = 2.5 V to 6 V 0 mA < IO = < IO(max) -1% 0 1% Mode = VI, PWM operation IO = 1 mA, Mode = GND, VO = 1.3 V, ∆V O Power save mode ripple voltage(2) 25 mVPP Bandwith = 20 MHz 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 VO 750 µs RESET delay time Input voltage at threshold pin rising 80 100 120 ms PB-ONOFF debounce time 26 32 38 ms VOL RESET, PB_OUT output low voltage IOL = 1 mA, Vhysteresis < 1 V, Vthreshold < 1 V 0.2 V IOL RESET, PB_OUT sink current 1 mA RESET, PB_OUT output leakage After PB_IN has been pulled high once; Vthreshold 10 nA current > 1 V and Vhysteresis > 1 V, VOH = 6 V Vth Vthreshold, Vhysteresis threshold 0.98 1 1.02 V VLDO1, VLDO2, VLDO3 and VLDO4 Low Dropout Regulators Input voltage range for LDO1, LDO2, VI 1.5 6.5 V LDO3, LDO4 VO LDO1 output voltage range TPS65050, TPS65052 only 1.2 3.3 V LDO2 output voltage range TPS65050, TPS65052 only 1.8 3.3 V LDO3 output voltage range TPS65050, TPS65052 only 1.1 3.3 V LDO4 output voltage range TPS65050, TPS65052 only 1.2 2.85 V Feedback voltage for FB_LDO1, V(FB) TPS65051, TPS65054 and TPS65056 only 1 V FB_LDO2, FB_LDO3, and FB_LDO4 Maximum output current for LDO1, IO 400 mA LDO2 Maximum output current for LDO3, 200 mA LDO4 I(SC) LDO1 short-circuit current limit VLDO1 = GND 750 mA LDO2 short-circuit current limit VLDO2 = GND 850 mA LDO3 and LDO4 short-circuit current VLDO3 = GND, VLDO4 = GND 420 mA limit Dropout voltage at LDO1 IO = 400 mA, VINLDO = 3.4 V 400 mV Dropout voltage at LDO2 IO = 400 mA, VINLDO = 1.8 V 280 mV Dropout voltage at LDO3, LDO4 IO = 200 mA, VINLDO = 1.8 V 280 mV Leakage current from VinLDOx to LDO enabled, VINLDO = 6.5 V, VO = 1 V, Ilkg 3 µA VLDOx at TA = 140°C Output voltage accuracy for LDO1, VO IO = 10 mA -2% 1% LDO2, LDO3, LDO4 VINLDO1,2 = VLDO1,2 + 0.5 V (min. 2.5 V) to 6.5V, Line regulation for LDO1, LDO2, VINLDO3,4 = VLDO3,4 + 0.5 V (min. 2.5 V) to 6.5V, -1% 1% LDO3, LDO4 IO = 10 mA Load regulation for LDO1, LDO2, IO = 0 mA to 400 mA for LDO1, LDO2 -1% 1% LDO3, LDO4 IO = 0 mA to 200 mA for LDO3, LDO4 Regulation time for LDO1, LDO2, Load change from 10% to 90% 10 µs LDO3, LDO4 PSRR Power supply rejection ratio f = 10 kHz; IO = 50 mA; VI = VO + 1 V 70 dB (1) Output voltage specification does not include tolerance of external voltage programming resistors. (2) In Power Save Mode, operation is typically entered at IPSM = VI / 32 Ω. 5 Submit Documentation Feedback |
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