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FDS6690AS Datasheet(PDF) 3 Page - Texas Instruments |
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FDS6690AS Datasheet(HTML) 3 Page - Texas Instruments |
3 / 33 page ELECTRICAL CHARACTERISTICS TPS51123 www.ti.com ........................................................................................................................................................................................... SLUS890 – DECEMBER 2008 over operating free-air temperature range, VIN = 12 V (unless otherwise noted) PARAMETER CONDITIONS MIN TYP MAX UNIT SUPPLY CURRENT VIN current, TA = 25°C, no load, VO1 = 0 V, IVIN1 VIN supply current1 VO2 = 0 V, EN0=open, ENC = 5 V, 0.55 1 mA TRIP1 = TRIP2 = 2 V, VFB1 = VFB2 = 2.05 V VIN current, TA = 25°C, no load, VO1 = 5 V, IVIN2 VIN supply current2 VO2 = 3.3 V, EN0=open, ENC = 5 V, 4 6.5 µA TRIP1 = TRIP2 = 2 V, VFB1 = VFB2 = 2.05 V VO1 current, TA = 25°C, no load, VO1 = 5 V, IVO1 VO1 current VO2 = 3.3 V, EN0=open, ENC = 5 V, 0.8 1.5 mA TRIP1 = TRIP2 = 2 V, VFB1 = VFB2 = 2.05 V VO2 current, TA = 25°C, no load, VO1 = 5 V, IVO2 VO2 current VO2 = 3.3 V, EN0=open, ENC = 5 V, 12 100 TRIP1 = TRIP2 = 2 V, VFB1 = VFB2 = 2.05 V VIN current, TA = 25°C, no load, µA IVINSTBY VIN standby current 95 250 EN0 = 1.2 V, ENC = 0 V VIN current, TA = 25°C, no load, IVINSDN VIN shutdown current 10 25 EN0 = ENC = 0 V VREF OUTPUT IVREF = 0 A 1.98 2.00 2.02 VVREF VREF output voltage V –5 µA < I VREF < 100 µA 1.97 2.00 2.03 VREG5 OUTPUT VO1 = 0 V, IVREG5 < 100 mA, TA = 25°C 4.8 5 5.2 VO1 = 0 V, IVREG5 < 100 mA, VVREG5 VREG5 output voltage 4.75 5 5.25 V 6.5 V < VIN < 28 V VO1 = 0 V, IVREG5 < 50 mA, 5.5 V < VIN < 28 V 4. 75 5 5.25 IVREG5 VREG5 output current VO1 = 0 V, VREG5 = 4.5 V 100 175 250 mA Turns on 4.55 4.7 4.85 VTH5VSW Switch over threshold V Hysteresis 0.15 0.25 0.3 R5VSW 5 V SW RON VO1 = 5 V, IVREG5 = 100 mA 1 3 Ω VREG3 OUTPUT VO2 = 0 V, IVREG3 < 100 mA, TA= 25°C 3.2 3.33 3.46 VVREG3 VREG3 output voltage VO2 = 0 V, IVREG3 < 100 mA, 6.5 V < VIN < 28 V 3.13 3.33 3.5 V VO2 = 0 V, IVREG3 < 50 mA, 5.5 V < VIN < 28 V 3.13 3.33 3.5 IVREG3 VREG3 output current VO2 = 0 V, VREG3 = 3 V 100 175 250 mA Turns on 3.05 3.15 3.25 VTH3VSW Switch over threshold V Hysteresis 0.1 0.2 0.25 R3VSW 3 V SW RON VO2 = 3.3 V, IVREG3 = 100 mA 1.5 4 Ω INTERNAL REFERENCE VOLTAGE VIREF Internal reference voltage IVREF = 0 A, beginning of ON state 1.95 1.98 2.01 FB voltage, IVREF = 0 A, skip mode 1.98 2.01 2.04 V FB voltage, IVREF = 0 A, OOA mode (1) 2.00 2.035 2.07 VVFB VFB regulation voltage FB voltage, IVREF = 0 A, continuous conduction 2.00 mode(1) IVFB VFB input current VFBx = 2.0 V, TA= 25°C -20 20 nA OUTPUT VOLTAGE, VOUT DISCHARGE IDischg VOUT discharge current ENC = 0 V, VOx = 0.5 V 10 60 mA (1) Ensured by design. Not production tested. Copyright © 2008, Texas Instruments Incorporated Submit Documentation Feedback 3 Product Folder Link(s): TPS51123 |
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