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TPS62228DDCTG4 Datasheet(PDF) 3 Page - Texas Instruments |
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TPS62228DDCTG4 Datasheet(HTML) 3 Page - Texas Instruments |
3 / 24 page www.ti.com ELECTRICAL CHARACTERISTICS TPS62220, TPS62221, TPS62222 TPS62223, TPS62224, TPS62227 TPS62228, TPS62229 SLVS491D – SEPTEMBER 2003 – REVISED MARCH 2006 V I = 3.6 V, VO = 1.8 V, IO = 200 mA, EN = VIN, TA = -40°C to 85°C, typical values are at TA = 25°C (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT SUPPLY CURRENT VI Input voltage range 2.5 6 V IQ Operating quiescent current IO = 0 mA, Device is not switching 15 25 µA Shutdown supply current EN = GND 0.1 1 µA Undervoltage lockout threshold 1.5 2 V ENABLE EN high level input voltage 1.3 V V(EN) EN low level input voltage 0.4 V I(EN) EN input bias current EN = GND or VIN 0.01 0.1 µA POWER SWITCH VI = VGS = 3.6 V 530 670 P-channel MOSFET on-resistance m Ω VI = VGS = 2.5 V 670 850 rDS(on) VI = VGS = 3.6 V 430 540 N-channel MOSFET on-resistance m Ω VI = VGS = 2.5 V 530 660 P-channel leakage current VDS = 6 V 0.1 1 µA Ilkg N-channel leakage current VDS = 6 V 0.1 1 µA I(LIM) P-channel current limit 2.5 V < VI < 6 V 600 670 880 mA OSCILLATOR fS Switching frequency 0.8 1.25 1.85 MHz OUTPUT IO Output current 400 mA Adjustable output voltage VO TPS62220 0.7 VIN V range Vref Reference voltage 0.5 V VI = 3.6 V to 6 V, IO = 0 mA 0% 3% TPS62220 Feedback voltage, See (1) Adjustable VI = 3.6 V to 6 V, 0 mA ≤ IO ≤ 400 mA -3% 3% VI = 2.5 V to 6 V, IO = 0 mA 0% 3% TPS62221 1.5 V VI = 2.5 V to 6 V, 0 mA≤ IO ≤ 400 mA -3% 3% VI = 2.5 V to 6 V, IO = 0 mA 0% 3% TPS62224 1.6 V VI = 2.5 V to 6 V, 0 mA ≤ IO ≤ 400 mA -3% 3% VI = 2.5 V to 6 V, IO = 0 mA 0% 3% TPS62229 1.7 V VI = 2.5 V to 6 V, 0 mA ≤ IO ≤ 400 mA -3% 3% VI = 2.5 V to 6 V, IO = 0 mA 0% 3% TPS62222 VO Fixed output voltage 1.8 V VI = 2.5 V to 6 V, 0 mA ≤ IO ≤ 400 mA -3% 3% VI = 2.5 V to 6 V, IO = 0 mA 0% 3% TPS62228 1.875 V VI = 2.5 V to 6 V, 0 mA ≤ IO ≤ 400 mA -3% 3% VI = 2.7 V to 6 V, IO = 0 mA 0% 3% TPS62223 2.3 V VI = 2.7 V to 6 V, 0 mA ≤ IO ≤ 400 mA -3% 3% VI = 2.7 V to 6 V, IO = 0 mA 0% 3% TPS62227 1.2 V VI = 2.7 V to 6 V, 0 mA ≤ IO ≤ 400 mA -3% 3% Line regulation VI = 2.5 V to 6 V, IO = 10 mA 0.26 %/V Load regulation IO = 100 mA to 400 mA 0.0014 %/mA Leakage current into SW pin VI > VO, 0 V ≤ V(SW) ≤ VI 0.1 1 µA Ilkg Reverse leakage current into pin SW VI = open, EN = GND, V(SW) = 6 V 0.1 1 µA (1) For output voltages ≤ 1.2 V, a 22-µF output capacitor value is required to achieve a maximum output voltage accuracy of 3% while operating in power-save mode (PFM mode). For output voltages ≥ 2 V, an inductor of 10 µH and an output capacitor of ≥ 10 µF is recommended. See the Application Information section for external components. 3 Submit Documentation Feedback |
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