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TPS6734I Fiches technique(PDF) 6 Page - Texas Instruments |
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TPS6734I Fiches technique(HTML) 6 Page - Texas Instruments |
6 / 22 page TPS6734I FIXED 12-V 120-mA BOOST-CONVERTER SUPPLY SLVS127A – AUGUST 1995 – REVISED JANUARY 1999 6 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 recommended operating conditions MIN NOM MAX UNIT Supply voltage 2.7 5 12 V Compensation capacitor 0.001 µF Output current at REF 0 100 µA Reference capacitor 0.01 µF Operating free-air temperature, TA –40 85 °C electrical characteristics over recommended operating free-air temperature range, VCC = 5 V, IO(LOAD) = 0 mA, EN = 5 V, typical values are at TA = 25°C (unless otherwise noted) (refer to circuit shown in Figure 13) PARAMETER TEST CONDITIONS MIN TYP MAX UNITS Operating Entire circuit 1.2 2.5 mA Supply current Standby EN = 0.4 V, entire circuit 3 µA Standby EN = 0.4 V, into VCC 3 µA High-level input threshold voltage at EN 2 V Low-level input threshold voltage at EN 0.4 V Shutdown input leakage current at EN –1 1 µA On resistance at OUT Current at OUT = 500 mA 0.7 Ω Leakage current at OUT VDS = 12 V 1 µA Reference voltage 1.22 V Reference drift TA = – 40°C to 85°C 6.7 ppm/ °C Oscillator frequency 170 kHz Compensation pin impedance 7500 Ω performance characteristics over recommended operating free-air temperature range, typical circuit connected as shown in Figure 13, typical values are at TA = 25°C (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNITS Output voltage VCC = 4.75 V, 0 mA < IO(LOAD) < 120 mA 11.64 12.12 12.6 V Load current VCC = 3.75 V 120 150 mA Load current VCC = 3.0 V, Figure 11 150 mA Line regulation VCC = 5 V to 12 V, IO(LOAD) = 50 mA 0.20% Load regulation IO(LOAD) = 0 mA to 120 mA 0.0042% Efficiency VCC = 5 V, IO(LOAD) = 120 mA 86% |
Numéro de pièce similaire - TPS6734I |
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Description similaire - TPS6734I |
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