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TPS650250QRHBRQ1 Datasheet(PDF) 6 Page - Texas Instruments |
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TPS650250QRHBRQ1 Datasheet(HTML) 6 Page - Texas Instruments |
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6 / 32 page  TPS650250-Q1 SLVSAA7 – MARCH 2010 www.ti.com ELECTRICAL CHARACTERISTICS VINDCDC1 = VINDCDC2 = VINDCDC3 = VCC = VINLDO = 3.6V, TJ = –40°C to 125°C, typical values are at TA = 25°C (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT VDCDC1 STEP-DOWN CONVERTER VI Input voltage range,VINDCDC1 2.5 6 V IO Maximum output current VO = 3.3V 1600 mA ISD Shutdown supply current in VINDCDC1 EN_DCDC1 = GND 0.1 1 mA RDS(on) P-channel MOSFET on-resistance VINDCDC1 = VGS = 3.6V 125 261 m Ω ILP P-channel leakage current VINDCDC1 = 6V 2 mA RDS(on) N-channel MOSFET on-resistance VINDCDC1 = VGS = 3.6V 130 260 m Ω ILN N-channel leakage current VDS = 6V 7 10 mA ILIMF Forward current limit (P- and N-channel) 2.5V < VINMAIN < 6V 1.7 1.97 2.22 A fS Oscillator frequency 1.95 2.25 2.55 MHz Fixed output voltage 2.8V –2% 2% VINDCDC1 = 3.3V to 6V; MODE=0 (PWM/PFM) 0 mA ≤ IO ≤ 1.0A 3.3V –2% 2% Fixed output voltage 2.8V –1% 1% VINDCDC1 = 3.7V to 6V; MODE=1 (PWM) 0 mA ≤ IO ≤ 1.0A 3.3V –1% 1% VDCDC1 Adjustable output voltage with resistor VINDCDC1 = VDCDC1 +0.4V (min 2.5V) divider at DEFDCDC1 MODE = 0 –2% 2% to 6V; 0mA ≤ IO ≤ 1.6A (PWM/PFM) Adjustable output voltage with resistor VINDCDC1 = VDCDC1 +0.4V (min 2.5V) divider at DEFDCDC1; MODE = 1 –1% 1% to 6V; 0mA ≤ IO ≤ 1.6A (PWM) VINDCDC1 = VDCDC1 + 0.3V (min. 2.5 V) Line regulation 0 %/V to 6V; IO = 10mA Load regulation IO = 10mA to 1.6A 0.25 %/A VDCDC1 ramping from 5% to 95% of tSS Soft start ramp time 750 ms target value R(L1) Internal resistance from L1 to GND 1 M Ω 6 Submit Documentation Feedback Copyright © 2010, Texas Instruments Incorporated Product Folder Link(s): TPS650250-Q1 |
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