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TPS40091PW Datasheet(PDF) 5 Page - Texas Instruments |
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TPS40091PW Datasheet(HTML) 5 Page - Texas Instruments |
5 / 31 page TPS40090 TPS40091 www.ti.com SLUS578B – OCTOBER 2003 – REVISED MAY 2006 ELECTRICAL CHARACTERISTICS (continued) TA = -40°C to 85°C, VIN = 12 V, R(RT) = 64.9 kΩ, TJ = TA (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT CURRENT SENSE AMPLIFIER Gain transfer 100 mV ≤ V(CS) ≤ 100 mV, VCSRTN = 1.5 V 4.9 5.4 5.9 V/V Gain variance between phases VCS = 100 mV -4% 4% Input offset variance at zero current VCS = 0 V -3.5 0 3.5 mV Input common mode(3) 0 4 V Bandwidth(3) 18 MHz DIFFERENTIAL AMPLIFIER Gain 1 V/V Gain tolerance VOUT 4 V vs 0.7 V, VGNDS = 0 V -0.5% 0.5% CMRR Common mode rejection ratio(3) 0.7 V ≤ VOUT ≤ 4 V 60 dB Bandwidth(3) 5 MHz RAMP Ramp amplitude(3) 0.4 0.5 0.6 V POWER GOOD PGOOD high threshold wrt VREF 10% 14% PGOOD low threshold wrt VREF -14% -10% VOL Low-level output voltage IPGOOD = 4 mA 0.35 0.60 V Ilkg PGOOD output leakage VPGOOD = 5 V 50 80 μA OUTPUT OVERVOLTAGE/UNDERVOLTAGE FAULT VOV Overvoltage threshold voltage VFBK relative to VREF 15% 19% VUV Undervoltage threshold voltage VFBK relative to VREF -18% -14% LOAD LINE PROGRAMMING IDROOP Pull-down current on DROOP 4-phase, VCS = 100 mV 40 μA (3) Specified by design. Not production tested. Copyright © 2003–2006, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Link(s): TPS40090 TPS40091 |
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