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TPS53624RHAR Datasheet(PDF) 3 Page - Texas Instruments |
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TPS53624RHAR Datasheet(HTML) 3 Page - Texas Instruments |
3 / 44 page TPS53624 www.ti.com SLUSB66 – MARCH 2013 ELECTRICAL CHARACTERISTICS over recommended free-air temperature range, VV5FILT = VV5IN = 5.0 V, GFB = PGND = GND, VVFB = VOUT (unless otherwise noted). PARAMETER TEST CONDITIONS MIN TYP MAX UNIT SUPPLY: CURRENTS, UVLO AND POWER-ON RESET IV5 V5IN + V5FILT supply current VDAC < VVFB < VDAC + 100 mV, EN = HI 2.3 4 mA IV5STBY V5IN + V5FILT standby current EN = LO 1 μA VV5FILT = VV5IN, VVFB < 200 mV, Ramp up; VUVLOH V5FILT UVLO OK threshold 4.25 4.4 4.5 V VEN = HI; Switching begins VV5FILT = VV5IN. Ramp down; VEN = HI, VVFB = 100 mV, VUVLOL V5FILT UVLO fault threshold Restart if 5 V falls below VPOR then rises > VUVLOH is 4 4.2 4.3 V toggled with 5 V > VUVLOH VV5FILT = VV5IN, Ramp Down, EN = HI, Can restart if 5-V VPOR V5FILT fault latch reset threshold 1.4 1.9 2.3 V goes up to VUVLOH and no other faults present REFERENCES: DAC, VREF, VBOOT AND DRVL DISCHARGE VVIDSTP VID step size Change VID0 HI to LO to HI 6.25 mV VDAC1 VFB no load active 0.750 V ≤ VVFB ≤ 1.250 V -1.35% 1.35% VDAC2 VFB no load active/sleep 0.500 V ≤ VVFB ≤ 0.750 V –11 11 mV VDAC3 VFB deeper sleep 0.300V ≤ VVFB ≤ 0.500 V –14 14 mV VDAC4 VFB above microcontroller VID 1.250 V ≤ VVFB ≤ 1.6 V –1.35% 1.35% VVREF VREF output 4.5 V ≤ VV5FILT ≤ 5.5 V, IREF = 0 1.665 1.700 1.750 V VVREFSRC VREF output source IREF = 0 μA to 250 μA –9 –3 mV VVREFSNK VREF output sink IREF = –250 μA to 0 μA 10 35 mV VVBOOT Internal VFB initial boot voltage Initial DAC boot voltage 0.99 1.00 1.01 V VOLTAGE SENSE: VFB AND GNDSNS Not in fault, disable or UVLO; IVFB VFB input bias current 9 40 μA VVFB = 2 V, GFB = 0 V IVFBDQ VFB input bias current, discharge Fault, disable or UVLO, VVFB = 100 mV 90 125 175 μA IGFB GNDSNS input bias current Not in fault, disable or UVLO; VVFB = 2 V, GSNS = 0 V –40 –8 μA VDELGND GNDSNS differential ±300 mV AGAINGND GNDSNS/GND gain 0.995 1.000 1.011 V/V VVFBCOM VFB common mode input –0.3 2 V CURRENT MONITOR VIMONLK Zero-level current output ΣΔCS = 0 mV, RIMON = 12.7 kΩ 0 5 150 mV VIMONLO Low-level current output ΣΔCS = 10 mV, RIMON = 12.7 kΩ 202 250 302 mV VIMINMID Mid-level current output ΣΔCS = 20 mV, RIMON = 12.7 kΩ 460 500 538 mV VIMONHI High-level current output ΣΔCS = 40 mV, RIMON = 12.7 kΩ 958 1000 1058 mV KIMON Gain factor 2 μA/mV IIMONSRC Current monitor source ΣΔCS = 60 mV 108 130 μA VIMONSNK Current monitor clamp ΣΔCS = 40 mV, RIMON = OPEN 1.02 1.11 V Copyright © 2013, Texas Instruments Incorporated Submit Documentation Feedback 3 Product Folder Links: TPS53624 |
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