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TPS40192DRCR Datasheet(PDF) 5 Page - Texas Instruments |
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TPS40192DRCR Datasheet(HTML) 5 Page - Texas Instruments |
5 / 35 page 5 TPS40192, TPS40193 www.ti.com SLUS719F – MARCH 2007 – REVISED NOVEMBER 2016 Product Folder Links: TPS40192 TPS40193 Submit Documentation Feedback Copyright © 2007–2016, Texas Instruments Incorporated (1) Specified by design. Not production tested. 6.5 Electrical Characteristics 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 VFB Feedback voltage range 0°C ≤ TJ ≤ 85°C 588 591 594 mV -40°C ≤ TJ ≤ 85°C 585 591 594 INPUT SUPPLY VVDD Input voltage range 4.5 18 V IVDD Operating current VENABLE = 3 V 2.5 4 mA 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 fSW Switching frequency TPS40193 240 300 360 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 ns tDEAD Output driver dead time HDRV off to LDRV on 50 LDRV off to HDRV on 25 SOFT-START tSS Soft-start time 3 4 6 ms tSSDLY Soft-start delay time 2 tREG Time to regulation 6 ERROR AMPLIFIER GBWP Gain bandwidth product(1) 7 10 MHz AOL DC gain(1) 60 dB IIB Input bias current (current out of FB pin) 100 nA 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 VILIM Short circuit comparator threshold voltage RCOMP(GND) = OPEN, TJ = 25°C 160 200 240 mV RCOMP(GND) = 4 kΩ, TJ = 25°C 80 100 120 RCOMP(GND) = 12 kΩ, TJ = 25°C 228 280 342 VILIMH Short circuit threshold voltage on high- side MOSFET TJ = 25°C 400 550 650 |
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