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TPS65020RHARG4 Datasheet(PDF) 11 Page - Texas Instruments |
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TPS65020RHARG4 Datasheet(HTML) 11 Page - Texas Instruments |
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11 / 53 page  TPS65020 www.ti.com SLVS607D – SEPTEMBER 2005 – REVISED JANUARY 2016 7.9 Electrical Characteristics: VDCDC2 Step-Down Converter VINDCDC1 = VINDCDC2 = VINDCDC3 = VCC = VINLDO = 3.6 V, VBACKUP = 3 V, TA = –40°C to 85°C (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP(1) MAX UNIT VI Input voltage range, VINDCDC2 2.5 6 V IO Maximum output current 1000 mA 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 ILIMF Forward current limit (P- and N-channel) 2.5 V < VINDCDC2 < 6 V 1.4 1.55 1.7 A fS Oscillator frequency 1.3 1.5 1.7 MHz VINDCDC2 = 2.5 V to 6 V; 1.8 V –2% 2% 0 mA ≤ IO ≤ 1 A Fixed output voltage FPWMDCDC2=0 VINDCDC2 = 2.8 V to 6 V; 2.5 V –2% 2% 0 mA ≤ IO ≤ 1 A VINDCDC2 = 2.5 V to 6 V; 1.8 V –2% 2% 0 mA ≤ IO ≤ 1 A Fixed output voltage FPWMDCDC2=1 VINDCDC2 = 2.8 V to 6 V; 2.5 V –1% 1% 0 mA ≤ IO ≤ 1 A Adjustable output voltage with resistor VINDCDC2 = VDCDC2 +0.3 V (min 2.5 V) –2% 2% divider at DEFDCDC2 FPWMDCDC2=0 to 6 V; 0 mA ≤ IO ≤ 1 A Adjustable output voltage with resistor VINDCDC2 = VDCDC2 +0.3 V (min 2.5 V) –1% 1% divider at DEFDCDC2; FPWMDCDC2=1 to 6 V; 0 mA ≤ IO ≤ 1 A VINDCDC2 = VDCDC2 + 0.3 V (min. 2.5 V) Line Regulation 0% V to 6 V; IO = 10 mA Load Regulation IO = 10 mA to 1 mA 0.25% A VDCDC2 ramping from 5% to 95% of target Soft-start ramp time 750 μs value Internal resistance from L2 to GND 1 M Ω VDCDC2 discharge resistance 300 Ω (1) Typical values are at TA = 25°C 7.10 Electrical Characteristics: VDCDC3 Step-Down Converter VINDCDC1 = VINDCDC2 = VINDCDC3 = VCC = VINLDO = 3.6 V, VBACKUP = 3 V, TA = –40°C to 85°C (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP(1) MAX UNIT VI Input voltage range, VINDCDC3 2.5 6 V IO Maximum output current 800 mA I(SD) Shutdown supply current in VINDCDC3 DCDC3_EN = GND 0.1 1 μA rDS(on) P-channel MOSFET on-resistance VINDCDC3 = V(GS) = 3.6 V 310 698 m Ω Ilkg P-channel leakage current VINDCDC3 = 6 V 0.1 2 μA rDS(on) N-channel MOSFET on-resistance VINDCDC3 = V(GS) = 3.6 V 220 503 m Ω Ilkg N-channel leakage current V(DS) = 6 V 7 10 μA Forward current limit (P- and N-channel) 2.5 V < VINDCDC3 < 6 V 1.05 1.2 1.35 A fS Oscillator frequency 1.3 1.5 1.7 MHz Fixed output voltage VINDCDC3 = 2.5 V to 6 V; –2% 2% FPWMDCDC3=0 0 mA ≤ IO ≤ 600 mA All VDCDC3 Fixed output voltage VINDCDC3 = 2.5 V to 6 V; –1% 1% FPWMDCDC3=1 0 mA ≤ IO ≤ 600 mA (1) Typical values are at TA = 25°C Copyright © 2005–2016, Texas Instruments Incorporated Submit Documentation Feedback 11 Product Folder Links: TPS65020 |
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