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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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TPS51275B-1RUKR Fiches technique(PDF) 6 Page - Texas Instruments |
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TPS51275B-1RUKR Fiches technique(HTML) 6 Page - Texas Instruments |
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6 / 31 page  TPS51275B-1 SLVSCT3 – MARCH 2015 www.ti.com Electrical Characteristics (continued) over operating free-air temperature range, VVIN = 12 V, VVO1 = 5 V, VVFB1 = VVFB2 = 2 V, VEN1 = VEN2 = 3.3 V (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT VREG3 OUTPUT No load, VVO1= 0 V, TA = 25°C 3.267 3.3 3.333 VVIN > 7 V , VVO1= 0 V, IVREG3< 100 mA 3.217 3.3 3.383 5.5 V < VVIN , VVO1= 0 V, IVREG3< 35 mA 3.234 3.3 3.366 0°C ≤ TA ≤ 85°C, VVIN > 5.5 V, VVO1 = 0 V, VVREG3 VREG3 output voltage V 3.267 3.3 3.333 IVREG3< 35 mA 0°C ≤ TA ≤ 85°C, VVIN > 5.5 V, VVO1 = 5 V, 3.267 3.3 3.333 IVREG3 < 35 mA VVIN > 5 V, VVO1 = 0 V, IVREG3< 35 mA 3.217 3.3 3.366 IVREG3 VREG3 current limit VVO1 = 0 V, VVREG3 = 3.0 V, VVIN= 7 V 100 150 mA MOSFET DRIVERS Source, (VVBST – VDRVH) = 0.25 V, (VVBST – VSW) = 5 V 3 RDRVH DRVH resistance Ω Sink, (VDRVH – VSW) = 0.25 V, (VVBST – VSW) = 5 V 1.9 Source, (VVREG5 – VDRVL) = 0.25 V, VVREG5 = 5 V 3 RDRVL DRVL resistance Ω Sink, VDRVL = 0.25 V, VVREG5= 5 V 0.9 INTERNAL BOOT STRAP SWITCH RVBST (ON) Boost switch on-resistance TA = 25°C, IVBST = 10 mA 13 Ω IVBSTLK VBST leakage current TA = 25°C 1 µA CLOCK OUTPUT RVCLK (PU) VCLK on-resistance (pullup) TA = 25°C 10 Ω RVCLK (PD) VCLK on-resistance (pulldown) TA = 25°C 10 Ω OUTPUT DISCHARGE TA = 25°C, VVO1 = 0.5 V RDIS1 CH1 discharge resistance 35 Ω VEN1 = VEN2 = 0 V RDIS2 CH2 discharge resistance TA = 25°C, VSW2 = 0.5 V, VEN1 = VEN2 = 0 V 70 Ω POWER GOOD Lower (rising edge of PG-in) 92.5% 95.0% 97.5% Hysteresis 5% VPGTH PG threshold Upper (rising edge of PG-out) 107.5% 110.0% 112.5% Hysteresis 5% IPGMAX PG sink current VPGOOD = 0.5 V 6.5 mA IPGLK PG leakage current VPGOOD = 5.5 V 1 µA CURRENT SENSING ICS CS source current TA = 25°C, VCS= 0.4 V 9 10 11 μA TCCS CS current temperature coefficient(1) On the basis of 25°C 4500 ppm/°C VCS CS current-limit setting range 0.2 2 V VZC Zero cross detection offset TA = 25°C –1 1 3 mV LOGIC THRESHOLD VENX(ON) EN threshold high-level SMPS on level 1.6 V VENX(OFF) EN threshold low-level SMPS off level 0.3 V IEN EN input current VENx= 3.3 V –1 1 µA OUTPUT OVERVOLTAGE PROTECTION VOVP OVP trip threshold 112.5% 115.0% 117.5% OUTPUT UNDERVOLTAGE PROTECTION VUVP UVP trip threshold 55% 60% 65% (1) Ensured by design. Not production tested. 6 Submit Documentation Feedback Copyright © 2015, Texas Instruments Incorporated Product Folder Links: TPS51275B-1 |
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Description similaire - TPS51275B-1RUKR |
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