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Moteur de recherche de fiches techniques de composants électroniques |
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Moteur de recherche de fiches techniques de composants électroniques |
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TPS61163A Fiches technique(PDF) 3 Page - Texas Instruments |
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TPS61163A Fiches technique(HTML) 3 Page - Texas Instruments |
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3 / 28 page  TPS61162A TPS61163A www.ti.com SLVSC26 – NOVEMBER 2013 RECOMMENDED OPERATING CONDITIONS over operating free-air temperature range (unless otherwise noted) MIN NOM MAX UNIT VIN Input voltage range 2.7 6.5 V TPS61162A VIN 27 VOUT Output voltage range V TPS61163A VIN 38 L Inductor 4.7 10 µH CI Input capacitor 1.0 µF CO Output capacitor 1.0 2.2 µF CCOMP Compensation capacitor 330 nF FPWM PWM dimming signal frequency 10 100 kHz TJ Operating junction temperature –40 125 °C ELECTRICAL CHARACTERISTICS VIN = 3.6V, EN = high, PWM = high, IFB current = 20mA, TJ = -40°C to +125°C, typical values are at TJ = 25°C (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT POWER SUPPLY VIN Input voltage range 2.7 6.5 V VIN falling 2.2 2.3 VVIN_UVLO Under voltage lockout threshold V VIN rising 2.45 VVIN_HYS VIN UVLO hysteresis 100 mV Device enable, switching 1.2 MHz and no Iq Operating quiescent current into VIN 1.2 2 mA load, VIN = 3.6V ISD Shutdown current EN = low 1 2 µA EN and PWM VH EN Logic high 1.2 V VL EN Logic Low 0.4 V VH PWM Logic high 1.2 V VL PWM Logic Low 0.4 V EN pin and PWM pin internal pull- RPD 400 800 1600 k Ω down resistor tPWM_SD PWM logic low width to shutdown PWM high to low 20 ms tEN_SD EN logic low width to shutdown EN high to low 2.5 ms CURRENT REGULATION VISET_full ISET pin voltage Full brightness 1.204 1.229 1.253 V KISET_full Current multiplier Full brightness 1030 IISET = 20 μA, D = 100%, 0°C to 70°C –2% 2% IFB_avg Current accuracy IISET = 20 µA, D = 100%, –40°C to 85°C –2.3% 2.3% D = 100% 1% 2% KM (IMAX – IAVG) / IAVG D = 25% 1% IIFB_max Current sink max output current IISET = 35 μA, each IFBx pin 30 mA Copyright © 2013, Texas Instruments Incorporated Submit Documentation Feedback 3 Product Folder Links: TPS61162A TPS61163A |
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