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TPS650241QRHBRQ1 Datasheet(PDF) 7 Page - Texas Instruments |
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TPS650241QRHBRQ1 Datasheet(HTML) 7 Page - Texas Instruments |
7 / 33 page TPS650241-Q1, TPS650243-Q1, TPS650244-Q1 www.ti.com SLVS994A – SEPTEMBER 2009 – REVISED MARCH 2011 ELECTRICAL CHARACTERISTICS VINDCDC1 = VINDCDC2 = VINDCDC3 = VCC = VINLDO = 3.6 V, TJ = –40°C to 125°C, typical values are at TA = 25°C (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT VDCDC3 STEP-DOWN CONVERTER VVINDCDC3 Input voltage range 2.5 6.0 V IO Maximum output current VO = 1.6 V 800 mA ISD Shutdown supply current in EN_DCDC3 = GND 0.1 1 μA VINDCDC3 RDS(ON) P-channel MOSFET on-resistance VINDCDC3 = VGS = 3.6 V 310 698 m Ω ILP P-channel leakage current VINDCDC3 = 6.0V 0.1 2 μA RDS(ON) N-channel MOSFET on-resistance VINDCDC3 = VGS = 3.6 V 220 503 m Ω ILN N-channel leakage current VDS = 6.0 V 7 10 μA ILIMF Forward current limit (P- and 2.5 V < VINDCDC3 < 6.0 V 1.00 1.20 1.40 A N-channel) fS Oscillator frequency 1.95 2.25 2.55 MHz VDCDC3 Fixed output voltage VO = 0.9V to VINDCDC3 = 2.5 V to 6.0 V; –2% 2% MODE = 0 1.6V 0 mA ≤ IO ≤ 800 mA (PWM/PFM) Fixed output voltage –1% 1% MODE = 1 (PWM) Line regulation VINDCDC3 = VDCDC3 + 0.3 V (min. 2.5 V) to 0.0 %/V 6.0 V; IO = 10 mA Load regulation IO = 10 mA to 600 mA 0.25 %/A tSS Soft start ramp time VDCDC3 ramping from 5% to 95% of target 750 μs value R(L3) Internal resistance from L3 to GND 1 M Ω Copyright © 2009–2011, Texas Instruments Incorporated Submit Documentation Feedback 7 Product Folder Link(s): TPS650241-Q1 TPS650243-Q1 TPS650244-Q1 |
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