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TPS62043DGQ Datasheet(PDF) 3 Page - Texas Instruments |
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TPS62043DGQ Datasheet(HTML) 3 Page - Texas Instruments |
3 / 30 page TPS62040 TPS62042, TPS62043 TPS62044, TPS62046 SLVS463B − JUNE 2003 − REVISED OCTOBER 2005 www.ti.com 3 ELECTRICAL CHARACTERISTICS VI = 3.6 V, VO = 1.8 V, IO = 600 mA, EN = VIN, TA = −40°C to 85°C, typical values are at TA = 25°C (unless otherwise noted)(1) SUPPLY CURRENT PARAMETER TEST CONDITIONS MIN TYP MAX UNIT VI Input voltage range 2.5 6.0 V I(Q) Operating quiescent current IO = 0 mA, device is not switching 18 35 µA ISD Shutdown supply current EN = GND 0.1 1 µA VUVLO Under−voltage lockout threshold 1.5 2.3 V ENABLE AND MODE VEN EN high level input voltage 1.4 V VEN EN low level input voltage 0.4 V IEN EN input bias current EN = GND or VIN 0.01 1.0 µA V(MODE) MODE high level input voltage 1.4 V V(MODE) MODE low level input voltage 0.4 V I(MODE) MODE input bias current MODE = GND or VIN 0.01 1.0 µA POWER SWITCH r P-channel MOSFET on−resistance VI = VGS = 3.6 V 115 210 mΩ rDS(ON) P-channel MOSFET on−resistance VI = VGS = 2.5 V 145 270 mΩ Ilkg(P) P-channel leakage current VDS = 6.0 V 1 µA r N-channel MOSFET on−resistance VI = VGS = 3.6 V 85 200 mΩ rDS(ON) N-channel MOSFET on−resistance VI = VGS = 2.5 V 115 280 mΩ IIkg(N) N-channel leakage current VDS = 6.0 V 1 µA IL P-channel current limit 2.5 V < VI< 6.0 V 1.5 1.85 2.2 A Thermal shutdown 150 °C OSCILLATOR f Oscillator frequency VFB = 0.5 V 1 1.25 1.5 MHz fS Oscillator frequency VFB = 0 V 625 kHz OUTPUT VO Adjustable output voltage range TPS62040 0.7 VIN V Vref Reference voltage 0.5 V VFB Feedback voltage TPS62040 Adjustable VI = 2.5 V to 6.0 V; IO= 0 mA VI = 2.5 V to 6.0 V; 0 mA ≤ IO ≤ 1.2 A 0% −3% 3% 3% TPS62042 1.5V VI = 2.5 V to 6.0 V; IO = 0 mA VI = 2.5 V to 6.0 V; 0 mA ≤ IO ≤ 1.2 A 0% −3% 3% 3% V Fixed output voltage TPS62043 1.6V VI = 2.5 V to 6.0 V; IO = 0 mA VI = 2.5 V to 6.0 V; 0 mA ≤ IO ≤ 1.2 A 0% −3% 3% 3% VO Fixed output voltage TPS62044 1.8V VI = 2.5 V to 6.0 V; IO = 0 mA VI = 2.5 V to 6.0 V; 0 mA ≤ IO ≤ 1.2 A 0% −3% 3% 3% TPS62046 3.3V VI = 3.6 V to 6.0 V; IO = 0 mA VI = 3.6 V to 6.0 V; 0 mA ≤ IO ≤ 1.2 A 0% −3% 3% 3% Line regulation(1) VI = VO + 0.5 V (min. 2.5 V) to 6.0 V, IO = 10 mA 0 %/V Load regulation(1) IO = 10 mA to 1200 mA 0 %/mA I Leakage current into SW pin VI>VO, 0 V ≤ Vsw ≤ VI 0.1 1 µA IIkg(SW) Reverse leakage current into pin SW VI = open; EN = GND; VSW = 6.0 V 0.1 1 µA f Short circuit switching frequency VFB = 0 V 625 kHz (1) The line and load regulations are digitally controlled to assure an output voltage accuracy of ±3%. |
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