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TPS51916RUKR Datasheet(PDF) 4 Page - Texas Instruments |
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TPS51916RUKR Datasheet(HTML) 4 Page - Texas Instruments |
4 / 34 page TPS51916 SLUSAE1D – DECEMBER 2010 – REVISED JUNE 2012 www.ti.com ELECTRICAL CHARACTERISTICS over operating free-air temperature range, VV5IN = 5 V, VLDOIN is connected to VDDQ output, VMODE= 0 V, VS3= VS5= 5 V (unless otherwise noted) PARAMETER TEST CONDITION MIN TYP MAX UNIT SUPPLY CURRENT IV5IN(S0) V5IN supply current, in S0 TA = 25°C, No load, VS3 = VS5 = 5 V 590 μA IV5IN(S3) V5IN supply current, in S3 TA = 25°C, No load, VS3 = 0 V, VS5 = 5 V 500 μA IV5INSDN V5IN shutdown current TA = 25°C, No load, VS3 = VS5 = 0 V 1 μA IVLDOIN(S0) VLDOIN supply current, in S0 TA = 25°C, No load, VS3 = VS5 = 5 V 5 μA IVLDOIN(S3) VLDOIN supply current, in S3 TA = 25°C, No load, VS3 = 0 V, VS5 = 5 V 5 μA IVLDOINSDN VLDOIN shutdown current TA = 25°C, No load, VS3 = VS5 = 0 V 5 μA VREF OUTPUT IVREF = 30 μA, TA = 25°C 1.8000 VVREF Output voltage 0 μA ≤ IVREF <300 μA, TA = –10°C to 85°C 1.7856 1.8144 V 0 μA ≤ IVREF <300 μA, TA = –40°C to 85°C 1.7820 1.8180 IVREFOCL Current limit VVREF = 1.7 V 0.4 0.8 mA VTTREF OUTPUT VVTTREF Output voltage VVDDQSNS/2 V |IVTTREF| <100 μA, 1.2 V ≤ VVDDQSNS ≤ 1.8 V 49.2% 50.8% VVTTREF Output voltage tolerance to VVDDQ |IVTTREF| <10 mA, 1.2 V ≤ VVDDQSNS ≤ 1.8 V 49% 51% IVTTREFOCLSRC Source current limit VVDDQSNS = 1.8 V, VVTTREF= 0 V 10 18 mA IVTTREFOCLSNK Sink current limit VVDDQSNS = 1.8 V, VVTTREF = 1.8 V 10 17 mA IVTTREFDIS VTTREF discharge current TA = 25°C, VS3 = VS5 = 0 V, VVTTREF = 0.5 V 0.8 1.3 mA VTT OUTPUT VVTT Output voltage VVTTREF V |IVTT| ≤ 10 mA, 1.2 V ≤ VVDDQSNS ≤ 1.8 V, IVTTREF= 0 A –20 20 |IVTT| ≤ 1 A, 1.2 ≤ VVDDQSNS ≤ 1.8 V, IVTTREF= 0 A –30 30 VVTTTOL Output voltage tolerance to VTTREF mV |IVTT| ≤ 2 A, 1.4 V ≤ VVDDQSNS ≤ 1.8 V, IVTTREF= 0 A –40 40 |IVTT| ≤ 1.5 A, 1.2 V ≤ VVDDQSNS ≤ 1.4 V, IVTTREF= 0 A –40 40 IVTTOCLSRC Source current limit VVDDQSNS = 1.8 V, VVTT = VVTTSNS = 0.7 V, IVTTREF= 0 A 2 3 A IVTTOCLSNK Sink current limit VVDDQSNS = 1.8V, VVTT = VVTTSNS = 1.1 V, IVTTREF= 0 A 2 3 IVTTLK Leakage current TA = 25°C , VS3 = 0 V, VS5 = 5 V, VVTT = VVTTREF 5 IVTTSNSBIAS VTTSNS input bias current VS3 = 5 V, VS5 = 5 V, VVTTSNS = VVTTREF –0.5 0.0 0.5 μA IVTTSNSLK VTTSNS leakage current VS3 = 0 V, VS5 = 5 V, VVTTSNS = VVTTREF –1 0 1 TA = 25°C, VS3 = VS5 = 0 V, VVDDQSNS = 1.8 V, IVTTDIS VTT Discharge current 7.8 mA VVTT = 0.5 V, IVTTREF= 0 A VDDQ OUTPUT VVDDQSNS VDDQ sense voltage VREFIN VDDQSNS regulation voltage VVDDQSNSTOL TA = 25°C –3 3 mV tolerance to REFIN IVDDQSNS VDDQSNS input current VVDDQSNS = 1.8 V 39 μA IREFIN REFIN input current VREFIN = 1.8 V –0.1 0.0 0.1 μA VS3 = VS5 = 0 V, VVDDQSNS = 0.5 V, MODE pin pulled IVDDQDIS VDDQ discharge current 12 mA down to GND through 47k Ω (Non-tracking) VS3 = VS5 = 0 V, VVDDQSNS = 0.5 V, MODE pin pulled IVLDOINDIS VLDOIN discharge current 1.2 A down to GND through 100k Ω (Non-tracking) SWITCH MODE POWER SUPPLY (SMPS) FREQUENCY VIN = 12 V, VVDDQSNS = 1.8 V, RMODE = 100 kΩ 300 VIN = 12 V, VVDDQSNS = 1.8 V, RMODE = 200 kΩ 400 fSW VDDQ switching frequency kHz VIN = 12 V, VVDDQSNS = 1.8 V, RMODE = 1 kΩ 500 VIN = 12 V, VVDDQSNS = 1.8 V, RMODE = 12 kΩ 670 tON(min) Minimum on time DRVH rising to falling(1) 60 ns tOFF(min) Minimum off time DRVH falling to rising 200 320 450 (1) Ensured by design. Not production tested. 4 Submit Documentation Feedback Copyright © 2010–2012, Texas Instruments Incorporated |
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