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TPS542941PWP Datasheet(PDF) 4 Page - Texas Instruments |
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TPS542941PWP Datasheet(HTML) 4 Page - Texas Instruments |
4 / 29 page TPS542941 SLVSBI3B – JULY 2012 – REVISED OCTOBER 2013 www.ti.com ELECTRICAL CHARACTERISTICS (1) (continued) over recommended free-air temperature range, VIN = 12 V (unless otherwise noted) PARAMETER CONDITIONS MIN TYP MAX UNIT POWER GOOD PG from lower VOx (going high) 84% VPGTH PGx threshold PG from higher VOx (going low) 116% RPG PGx pull-down resistance VPGx = 0.5 V 50 75 110 Ω Delay for PGx going high 1.5 ms TPGDLY PGx delay time Delay for PGx going low 2 µs TPGCOMPSS PGx comparator start-up delay PGx comparator wake-up delay 1.5 ms UVLO VREG5 rising 3.83 VUVREG5 VREG5 UVLO threshold V Hysteresis 0.6 LOGIC THRESHOLDs VENH ENx H-level threshold voltage 2.0 V VENL ENx L-level threshold voltage 0.4 V RENx_IN ENx input resistance ENx = 12 V 225 450 900 k Ω CURRENT LIMITs IOCL1 CH1 Current limit LOUT1 = 2.2 µH (3) 2.7 3.9 4.5 A IOCL2 CH2 Current limit LOUT2 = 1.5 µH (3) 3.5 4.7 5.4 A OUTPUT UNDERVOLTAGE AND OVERVOLTAGE PROTECTION (UVP, OVP) VUVP Output UVP trip threshold measured on VFBx 63% 68% 73% TUVPDEL Output UVP delay time 1.5 ms TUVPEN Output UVP enable delay 1.5 ms THERMAL SHUTDOWN Shutdown temperature(3) 155 TSD Thermal shutdown threshold °C Hysteresis(3) 25 (3) Specified by design. Not production tested. 4 Submit Documentation Feedback Copyright © 2012–2013, Texas Instruments Incorporated Product Folder Links: TPS542941 |
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