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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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TPS40192DRCTG4 Fiches technique(PDF) 4 Page - Texas Instruments |
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TPS40192DRCTG4 Fiches technique(HTML) 4 Page - Texas Instruments |
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4 / 38 page  www.ti.com ELECTRICAL CHARACTERISTICS TPS40192, TPS40193 SLUS719B – MARCH 2007 – REVISED SEPTEMBER 2007 TJ = –40°C to 85°C, VVDD= 12 Vdc, all parameters at zero power dissipation (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT REFERENCE 0 °C ≤ T J ≤ 85°C 588 591 594 VFB Feedback voltage range mV -40 °C ≤ T J ≤ 85°C 585 591 594 INPUT SUPPLY VVDD Input voltage range 4.5 18.0 V VENABLE = 3 V 2.5 4.0 mA IVDD Operating current VENABLE = 0.6 V 45 70 μA ON BOARD REGULATOR V5VBP Output voltage VVDD > 6 V, I5VBP ≤ 10 mA 5.1 5.3 5.5 V VDO Regulator dropout voltage VVDD - VBP5 , VVDD = 5 V, IBP5 ≤ 25 mA 350 550 mV ISC Regulator current limit threshold 50 mA IBP5 Average current 50 OSCILLATOR TPS40193 240 300 360 fSW Switching frequency kHz TPS40192 500 600 700 VRMP Ramp amplitude(1) 1 V PWM DMAX Maximum duty cycle(1) 85% tON(min) Minimum controlled pulse(1) 110 HDRV off to LDRV on 50 ns tDEAD Output driver dead time LDRV off to HDRV on 25 SOFT-START tSS Soft-start time 3 4 6 tSSDLY Soft-start delay time 2 ms tREG Time to regulation 6 ERROR AMPLIFIER GBWP Gain bandwidth product(1) 7 10 MHz AOL DC gain(1) 60 dB Input bias current (current out of FB IIB 100 nA pin) IEAOP Output source current VFB = 0 V 1 mA IEAOM Output sink current VFB = 2 V 1 SHORT CIRCUIT PROTECTION tPSS(min) Minimum pulse during short circuit(1) 250 ns tBLNK Blanking time(1) 60 90 120 tOFF Off-time between restart attempts 30 50 ms RCOMP(GND) = OPEN, TJ = 25°C 160 200 240 Short circuit comparator threshold VILIM RCOMP(GND) = 4 kΩ, TJ = 25°C 80 100 120 voltage mV RCOMP(GND) = 12 kΩ, TJ = 25°C 228 280 342 Short circuit threshold voltage on VILIMH TJ = 25°C 400 550 650 high-side MOSFET (1) Ensured by design. Not production tested. 4 Submit Documentation Feedback Copyright © 2007, Texas Instruments Incorporated Product Folder Link(s): TPS40192 TPS40193 |
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