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TPS5124RGER датащи(PDF) 4 Page - Texas Instruments |
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TPS5124RGER датащи(HTML) 4 Page - Texas Instruments |
4 / 22 page www.ti.com ELECTRICAL CHARACTERISTICS (Continued) TPS51124 SLVS616A – NOVEMBER 2005 – REVISED NOVEMBER 2005 over operating free-air temperature range, V5IN = V5FILT = 5 V (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT UVLO/LOGIC THRESHOLD Wake up 3.7 4.0 4.3 V VUV5VFILT V5FILT UVLO threshold Hysteresis 0.2 0.3 0.4 V Wake up 1.0 1.3 1.5 V VEN ENx threshold Hysteresis 0.2 V IEN ENx input current Absolute value(1) 0.02 0.1 µA Fast(1) V5FILT V –0.3 VTONSEL TONSEL threshold Medium(1) V5FILT 2 V –1.0 Slow(1) 0.5 V TONSEL=0V, current out of the pin(1) 1 µA ITONSEL TONSEL input current TONSEL=5V, current in to the pin(1) 1 µA CURRENT SENSE ITRIP TRIP source current VTRIPx < 0.3 V, TA = 25°C 9 10 11 µA TCITRIP ITRIP temperature coeffficent On the basis of 25 °C(1) 4200 ppm/ °C (VTRIPx-GND– VPGNDx-LLx) voltage, VOCLoff OCP compensation offset –10 0 10 mV VTRIPx-GND = 60 mV Zero cross detection comparator VPGNDx-LLx voltage, PGOODx = Hi(1) VZC 0.5 mV offset Current limit threshold setting VTRIPx-GND voltage, all temperatures(1) VRtrip 30 200 mV range POWER-GOOD COMPARATOR PG in from lower (PGOODx goes hi) 92.5% 95% 97.5% PG low hysteresis (PGOODx goes low) –5% VTHPG PG threshold PG in from higher (PGOODx goes hi) 102.5% 105% 107.5% PG high hysteresis (PGOODx goes low) 5% IPGMAX PG sink current PGOODx = 0.5 V 2.5 5.0 mA TPGDEL PG delay Delay for PG in 400 510 620 µs OUTPUT UNDERVOLTAGE AND OVERVOLTAGE PROTECTION VOVP Output OVP trip threshold OVP detect 110% 115% 120% TOVPDEL Output OVP prop delay 1.5 µs UVP detect 65% 70% 75% VUVP Output UVP trip threshold Hysteresis (recovery < 20 µs) 10% TUVPDEL Output UVP delay 20 32 40 µs TUVPEN Output UVP enable delay After 1.7 × Tss, UVP protection engaged 1.4 2 2.4 ms THERMAL SHUTDOWN Shutdown temperature(1) 160 TSDN Thermal shutdown threshold °C Hysteresis(1) 10 (1) Ensured by design. Not production tested. 4 |
Аналогичный номер детали - TPS5124RGER |
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Аналогичное описание - TPS5124RGER |
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