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TPS65023RSB Datasheet(PDF) 8 Page - Texas Instruments |
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TPS65023RSB Datasheet(HTML) 8 Page - Texas Instruments |
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8 / 55 page  TPS65023, TPS65023B SLVS670J – JUNE 2006 – REVISED SEPTEMBER 2011 www.ti.com ELECTRICAL CHARACTERISTICS VINDCDC1 = VINDCDC2 = VINDCDC3 = VCC = VINLDO = 3.6 V, VBACKUP = 3 V, TA = –40°C to 85°C, typical values are at TA = 25°C (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT VDCDC2 STEP-DOWN CONVERTER VI Input voltage range, VINDCDC2 2.5 6 V DEFDCDC2 = GND 1200 IO Maximum output current mA VINDCDC2 = 3.6 V; 1000 3.3 V - 1% ≤ VDCDC2 ≤ 3.3V + 1% I(SD) Shutdown supply current in VINDCDC2 DCDC2_EN = GND 0.1 1 μA rDS(on) P-channel MOSFET on-resistance VINDCDC2 = V(GS) = 3.6 V 140 300 m Ω Ilkg P-channel leakage current VINDCDC2 = 6 V 2 μA rDS(on) N-channel MOSFET on-resistance VINDCDC2 = V(GS) = 3.6 V 150 297 m Ω Ilkg N-channel leakage current V(DS) = 6 V 7 10 μA Forward current limit (P-channel and ILIMF 2.5 V < VINDCDC2 < 6 V 1.74 1.94 2.12 A N-channel) fS Oscillator frequency 1.95 2.25 2.55 MHz VINDCDC2 = 2.5 V to 6 V; VDCDC2 = 1.8 V –2 2 0 mA ≤ IO ≤ 1.2 A Fixed output voltage % FPWMDCDC2=0 VINDCDC2 = 3.7 V to 6 V; VDCDC2 = 3.3 V –1 1 0 mA ≤ IO ≤ 1.2 A VINDCDC2 = 2.5 V to 6 V; VDCDC2 = 1.8 V –2 2 0 mA ≤ IO ≤ 1.2 A Fixed output voltage % FPWMDCDC2=1 VINDCDC2 = 3.7 V to 6 V; VDCDC2 = 3.3 V –1 1 0 mA ≤ IO ≤ 1.2 A Adjustable output voltage with resistor VINDCDC2 = VDCDC2 + 0.3 V (min 2.5 V) to 6 –2% 2% divider at DEFDCDC2 FPWMDCDC2=0 V; 0 mA ≤ IO ≤ 1 A Adjustable output voltage with resistor VINDCDC2 = VDCDC2 + 0.3 V (min 2.5 V) to 6 –1% 1% divider at DEFDCDC2; FPWMDCDC2=1 V; 0 mA ≤ IO ≤ 1 A VINDCDC2 = VDCDC2 + 0.3 V (min. 2.5 V) to 6 Line Regulation 0 %/V V; IO = 10 mA Load Regulation IO = 10 mA to 1000 mA 0.25 %/A tStart Start-up time Time from active EN to start switching 145 175 200 µs tRamp VOUT ramp-up time Time to ramp from 5% to 95% of VOUT 400 750 1000 μs Internal resistance from L2 to GND 1 M Ω VDCDC2 discharge resistance DCDC2 discharge =1 300 Ω 8 Submit Documentation Feedback Copyright © 2006–2011, Texas Instruments Incorporated Product Folder Link(s) :TPS65023 TPS65023B |
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