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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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TPS43340QPHPQ1 Fiches technique(PDF) 5 Page - Texas Instruments |
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TPS43340QPHPQ1 Fiches technique(HTML) 5 Page - Texas Instruments |
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5 / 38 page  TPS43340-Q1 www.ti.com SLVSB16B – NOVEMBER 2011 – REVISED APRIL 2012 ELECTRICAL CHARACTERISTICS VIN = VLR1 = 8 V to 18 V, VSUP = 4 V to 10 V, VIN2SENSE = 4V to 40V, TJ = -40°C to 150°C (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT Input Supply Input voltage required for device on initial start up 6.5 40 V VIN Device operating range Operating range after initial start up 4.0 V VIN falling 3.5 3.6 3.8 V VIN UV Undervoltage lockout VIN rising 3.8 4 V VLR1 Device operating range for linear reg Recommended operation range 4.0 40 V EN1 = 1, LPM; EN2,3,4 = 0 30 40 EN2 = 1, LPM; EN1,3,4 = 0 µA Quiescent current: Iq EN4 = 1, LPM; EN1,2,3 = 0 48 60 TA = 25°C EN1,2 = 1, LPM; EN3,4 = 0 35 45 EN3,4 = 1, EN1,2 = 0 4 4.5 mA EN1 = 1, LPM; EN2,3,4 = 0 40 50 EN2 = 1, LPM; EN1,3,4 = 0 µA Quiescent current: Iq EN4 = 1, LPM; EN1,2,3 = 0 52 60 TA = 125°C EN1,2 = 1, LPM; EN3,4 = 0 40 45 EN3,4 = 1, EN1,2 = 0 5 mA VIN = 13 V, Buck1: CCM, Buck2: off or Quiescent current: IVIN VIN = 13 V, Buck2: CCM, Buck1: off or 5 mA TA = 25°C VIN = 13 V, Buck1/2: CCM Normal operation, SYNC = 5 V 5 VIN = 13V, Buck1: CCM, Buck2: off 5 Quiescent current: IVIN mA TA = 125°C VIN = 13V, Buck2: CCM, Buck1: off 5 VIN = 13V, Buck1, 2: CCM 7 IVIN-SD Shutdown current at TA = 25°C EN1,2,3,4 = 0: off, VIN = VLR1 = 13 V 5 10 µA IVIN-SD Shutdown current at TA = 125°C EN1,2,3,4 = 0: off, VIN = VLR1 = 13 V 20 µA IVLRI-SD Shutdown current at TA = 125°C EN1,2,3,4 = 0: off, VIN = VLR1 = 13 V 5 µA Internal Supply VREG Internal regulated supply VIN = 8 V to 18 V, EXTSUP = 0 V, SYNC = High 5.5. 5.8 6.1 V VREG Load regulation EXTSUP = 0 V, SYNC = High IVREG = 0 mA to 100 mA 0.2 1 % Internal regulated supply EXTSUP = 8.5 V, normal mode 7.2. 7.5 7.8 V VREG-EXTSUP EXTSUP = 8.5 V to 13 V, normal mode IVREG = 0 mA to Load regulation 0.2 1 % 125 mA IVREG = 0 mA to 100 mA, EXTSUP ramping positive, VEXTSUP-VREG Switch over voltage 4.4 4.6 4.8 V normal mode VEXTSUP-HYS Switch over hysteresis Normal mode 150 250 mV EXTSUP = 0 V normal mode as well as LPM, IREG-LIM Current limit on VREG 100 400 mA VREG=0V Current limit on VREG when using IVREG = 0 mA to 100 mA, EXTSUP = 8.5 V, normal IREG-EXTSUP-LIM 125 400 mA EXTSUP mode, VREG=0V Input voltage VIN - Overvoltage Lock Out and Reverse Polarity Protection VIN rising 45 46 47 V VOVLO Overvoltage shutdown VIN falling 43 44 45 V OVLOHys Hysteresis 1 2 3 V OVLOfilter Filter time 5 µs VGD Clamping voltage of ext. FET VIN - GPULL 17 V RGPULL Internal resistance to GND 500 k Ω Copyright © 2011–2012, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Link(s): TPS43340-Q1 |
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