Datasheet

V
UVLO
− Turn−On Voltage − V
T
J
− Junction Temperature − °C
−50 −25 0 25 50 75 100 125
4.224
4.226
4.228
4.230
4.232
4.234
4.236
4.238
V
ILIM
− Current Limit Threshold Voltage − mV
V
VDD
− Input Voltage − V
4.5 6.0 7.5 9.0 10.5 12.0 13.5 15.0
317.0
319.0
318.5
318.0
317.5
321.0
320.5
320.0
319.5
T
J
= 25°C
R
COMP
= OPEN
V
ILIM
− Current Limit Threshold Voltage − mV
T
J
− Junction Temperature − °C
−50 −25 0 25 50 75 100 125
0
50
150
250
350
400
450
300
100
200
V
VDD
= 12 V
R
COMP
= OPEN
V
iLIM
− Current Limit Threshold Voltage − mV
V
VDD
− Input Voltage − V
4.5 6.0 7.5 9.0 10.5 12.0 13.5 15.0
463
464
467
468
469
466
465
470
T
J
= 25°C
R
COMP
= 12 k
TPS40190
SLUS658C JULY 2005REVISED JULY 2012
www.ti.com
Typical Characteristics (continued)
CURRENT LIMIT THRESHOLD CURRENT LIMIT THRESHOLD
vs vs
INPUT VOLTAGE TEMPERATURE
Figure 28. Figure 29.
CURRENT LIMIT THRESHOLD UNDERVOLTAGE LOCKOUT TURN ON VOLTAGE
vs vs
INPUT VOLTAGE TEMPERATURE
Figure 30. Figure 31.
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