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TPS51220RHBRG4 Datasheet(PDF) 5 Page - Texas Instruments |
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TPS51220RHBRG4 Datasheet(HTML) 5 Page - Texas Instruments |
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5 / 43 page  TPS51220 www.ti.com SLVS785C – OCTOBER 2007 – REVISED JULY 2009 ELECTRICAL CHARACTERISTICS over operating free-air temperature range, EN = 3.3V, VIN = 12V, V5SW = 5V (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT SUPPLY CURRENT VIN shutdown current, TA = 25°C, I(VINSDN) VIN shutdown current 7 15 μA No Load, EN = 0V, V5SW = 0 V VIN standby current, TA = 25°C, No Load, I(VINSTBY) VIN standby current 80 120 μA EN1 = EN2 = V5SW = 0 V VBAT standby current, TA = 25°C, No Load I(VBATSTBY) VBAT standby current 500 μA SKIPSEL2 = 2V, EN2 = open, EN1 = V5SW = 0V(1) TRIP = 5 V 1.2 mA V5SW current, TA = 25°C, No Load, I(V5SW) V5SW supply current ENx = 5V, VFBx = 1.05 V TRIP = 0 V 1.4 mA VREF2 OUTPUT I(VREF2) < ±10 μA, TA = 25°C 1.98 2.00 2.02 V(VREF2) VREF2 output voltage V I(VREF2) < ±100 μA, 4.5V < VIN < 25 V 1.97 2.00 2.03 VREG3 OUTPUT V5SW = 0 V, I(VREG3) = 0 mA, TA = 25°C 3.279 3.313 3.347 V(VREG3) VREG3 output voltage V V5SW = 0 V, 0 mA < I(VREG3) < 10 mA, 3.135 3.300 3.400 5.5 V < VIN < 25 V I(VREG3) VREG3 output current VREG3 = 3 V 10 15 20 mA VREG5 OUTPUT V5SW = 0 V, I(VREG5) = 0 mA, TA = 25°C 4.99 5.04 5.09 V V5SW = 0 V, 0 mA < I(VREG5) < 100 mA, 4.90 5.03 5.15 V(VREG5) VREG5 output voltage 6 V < VIN < 25 V V5SW = 0 V, 0 mA < I(VREG5) < 100 mA, 4.50 5.03 5.15 V 5.5 V < VIN < 25 V V5SW = 0 V, VREG5 = 4.5 V 100 150 200 I(VREG5) VREG5 output current mA V5SW = 5 V, VREG5 = 4.5 V 200 300 400 Turning on 4.55 4.7 4.8 V(THV5SW) Switchover threshold V Hysteresis 0.15 0.20 0.25 td(V5SW) Switchover delay Turning on 7.7 ms R(V5SW) 5V SW on-resistance I(VREG5) = 100 mA 0.5 Ω OUTPUT TA = 25°C, No Load 0.9925 1.000 1.0075 VF B regulation voltage V(VFB) V tolerance TA = –40°C to 85°C , No Load 0.990 1.000 1.010 I(VFB) VF B input current VFBx = 1.05 V, COMPx = 1.8 V, TA = 25°C –50 50 nA R(Dischg) CSNx discharge resistance ENx = 0 V, CSNx = 0.5 V, TA = 25°C 20 40 Ω VOLTAGE TRANSCONDUCTANCE AMPLIFIER Gmv Gain TA = 25°C 500 μS Differential input voltage VID –30 30 mV range COMP maximum sink I(COMPSINK) COMPx = 1.8 V 33 μA current COMP maximum source I(COMPSRC) COMPx = 1.8 V –33 μA current (1) Specified by design. Detail external condition follows application circuit of Figure 53. Copyright © 2007–2009, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Links :TPS51220 |
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