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TPS60120 Datasheet(PDF) 9 Page - Texas Instruments |
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TPS60120 Datasheet(HTML) 9 Page - Texas Instruments |
9 / 27 page TPS60120, TPS60121, TPS60122, TPS60123, TPS60124, TPS60125 REGULATED 200-mA HIGH EFFICIENCY CHARGE PUMP DC/DC CONVERTERS SLVS257B – NOVEMBER 1999 – REVISED AUGUST 2000 9 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 electrical characteristics at CI = 10 µF, C1F = C2F = 2.2 µF, CO = 22 µF, TC = –40°C to 85°C, VI = 2 V, VFB = VO and V(ENABLE) = VI (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT VI( i ) Minimum start up voltage IO = 0 1.8 V VI(min) Minimum start-up voltage IO = IO(max) 2 V V(UVLO) Input undervoltage lockout threshold TC = 25°C 1.6 1.8 V IO(MAX) Maximum continuous output current TPS60120, TPS60121, TPS60124, TPS60125 200 mA O(MAX) out ut current TPS60122, TPS60123 100 mA TPS60120, TPS60121 1.8 V < VI < 2 V, 0 < IO < IO(MAX)/2, TC = 0°C to 70°C 3.17 3.43 TPS60121, TPS60122, TPS60123 2 V < VI < 3.3 V, 0 < IO < IO(MAX) 3.17 3.43 VO Output voltage TPS60123 3.3 V < VI < 3.6 V, 0 < IO < IO(MAX) 3.17 3.47 V VO Output voltage TPS60124 1.8 V < VI < 2 V, 0 < IO < IO(MAX)/2, TC = 0°C to 70°C 2.88 3.12 V TPS60124, TPS60125 2 V < VI < 3.3 V, 0 < IO < IO(MAX) 2.88 3.12 3.3 V < VI < 3.6 V, 0 < IO < IO(MAX) 2.88 3.3 Ilkg(OUT) Output leakage current VI = 2.4 V, V(ENABLE) = 0 V 1 µA IQ Quiescent current (no-load input current) VI = 2.4 V 55 90 µA IQ(SDN) Shutdown supply current VI = 2.4 V, V(ENABLE) = 0 V 0.05 1 µA fOSC(INT) Internal switching frequency VI = 2.4 V 210 320 450 kHz VIL Enable input voltage low VI = 1.8 V 0.3 x VI V VIH Enable input voltage high VI = 3.6 V 0.7 x VI V Ilkg(ENABLE) Enable input leakage current V(ENABLE) = VGND or VI 0.01 0.1 µA Output load regulation VI = 2.4 V, 1 mA < IO < IO(MAX) TC = 25°C 0.003% /mA Output line regulation 2 V < VI < 3.3 V, IO = 100 mA, TC = 25°C 0.3% /V Short circuit current limit VI < 2.4 V, VO = 0 V, TC = 25°C 115 mA V(LBITRIP) Low battery trip voltage TPS60120, TPS60122, TPS60124 VI = 1.8 V to 2.2 V, Hysteresis 0.8% for rising LBI, TC = 0°C to 70°C 1.15 1.21 1.27 V II(LBI) LBI input current TPS60120, TPS60122, TPS60124 V(LBI) = 1.3 V 100 nA VO(LBO) LBO output voltage low (see Note 2) TPS60120, TPS60122, TPS60124 V(LBI) = 0 V, I(LBO,SINK) = 1 mA 0.4 V Ilkg(LBO) LBO leakage current TPS60120, TPS60122, TPS60124 V(LBI) = 1.3 V, V(LBO) = 3.3 V 0.01 0.1 µA NOTE 2: During start-up the LBO and PG output signal is invalid for the first 500 µs. |
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