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TPS650244RHBRG4 Datasheet(PDF) 7 Page - Texas Instruments |
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TPS650244RHBRG4 Datasheet(HTML) 7 Page - Texas Instruments |
7 / 33 page www.ti.com ELECTRICAL CHARACTERISTICS TPS650240 ,, TPS650241 TPS650242, TPS650243 TPS650244, TPS650245 SLVS774A – JUNE 2007 – REVISED DECEMBER 2007 VINDCDC1 = VINDCDC2 = VINDCDC3 = VCC = VINLDO = 3.6V, TA = –40°C to 85°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 = 1.6V 800 mA ISD Shutdown supply current in EN_DCDC3 = GND 0.1 1 µA VINDCDC3 RDS(ON) P-channel MOSFET on-resistance VINDCDC3 = VGS = 3.6V 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 = 3.6V 220 503 m Ω ILN N-channel leakage current VDS = 6.0V 7 10 µA ILIMF Forward current limit (P- and 2.5V < VINDCDC3 < 6.0V 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 = 2.5V to 6.0V; –2% 2% MODE = 0 1.6V 0mA ≤ IO ≤ 800mA (PWM/PFM) Fixed output voltage –1% 1% MODE = 1 (PWM) Line regulation VINDCDC3 = VDCDC3 + 0.3V (min. 2.5 V) to 0.0 %/V 6.0V; IO = 10mA Load regulation IO = 10mA to 600mA 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 © 2007, Texas Instruments Incorporated Submit Documentation Feedback 7 Product Folder Link(s): TPS650240 TPS650241 TPS650242 TPS650243 TPS650244 TPS650245 |
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