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TPS61071TDDCRQ1 Datasheet(PDF) 3 Page - Texas Instruments |
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TPS61071TDDCRQ1 Datasheet(HTML) 3 Page - Texas Instruments |
3 / 24 page TPS61070-Q1, TPS61071-Q1 TPS61072-Q1, TPS61073-Q1 www.ti.com SLVSAA5 – MAY 2010 ELECTRICAL CHARACTERISTICS over recommended free-air temperature range and over recommended input voltage range (typical at an ambient temperature range of 25°C) (unless otherwise noted) DC/DC STAGE PARAMETER TEST CONDITIONS MIN TYP MAX UNIT Minimum input voltage range for start-up RL = 270 Ω 1.1 1.25 (TPS61070, TPS61071, TPS61072) Minimum input voltage range for RL = 270 Ω 2.3 start-up (TPS61073) VI V Input voltage range, after start-up TA = 25°C 0.9 5.5 (TPS61070, TPS61071, TPS61072) Input voltage range, after start-up 2.3 5.5 (TPS61073) Output voltage range (TPS61070, 1.8 5.5 TPS61071, TPS61072) VO V Output voltage range (TPS61073) 2.3 5.5 V(FB) Feedback voltage TA = 25°C 490 500 510 mV Oscillator frequency (TPS61070, 960 1200 1440 TPS61071, TPS61073) f kHz Oscillator frequency (TPS61072) 480 600 720 I(SW) Switch current limit VOUT= 3.3 V 455 600 735 mA Start-up current limit 0.5 × ISW mA Boost switch-on resistance VOUT= 3.3 V 480 m Ω Rectifying switch-on resistance VOUT= 3.3 V 600 m Ω Total accuracy (including line and 5% load regulation) Line regulation 1% Load regulation 1% VBAT 0.5 1 Quiescent current IO = 0 mA, V(EN) = VBAT = 1.2 V, (TPS61070, TPS61071, 190(1) 300(1) µA VOUT = 3.3 V, TA = 25°C VOUT TPS61072) 20(2) VBAT 1 1.5 Quiescent current IO = 0 mA, V(EN) = 1.8 V, VBAT = 2.4 V, µA (TPS61073) VOUT = 5 V, TA = 25°C VOUT 30 50 Shutdown current (TPS61070, V(EN) = 0 V, VBAT = 1.2 V, TA = 25°C 0.05 0.5 µA TPS61071, TPS61072) Shutdown current (TPS61073) V(EN) = 0 V, VBAT = 3.6 V, TA = 25°C 0.05 1.5 µA (1) Switching current (2) Non-switching current Copyright © 2010, Texas Instruments Incorporated Submit Documentation Feedback 3 |
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