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TPS40091PW Datasheet(PDF) 5 Page - Texas Instruments

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Part # TPS40091PW
Description  HIGH-FREQUENCY, MULTIPHASE CONTROLLER
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

TPS40091PW Datasheet(HTML) 5 Page - Texas Instruments

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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
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Product Folder Link(s): TPS40090 TPS40091


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