Datasheet

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VFB − mV
−40 60 120
Temperature − C
610
608
604
602
600
594
590
−20 0 40 80 100
596
20
592
598
606
VDD = 2.25 V VDD = 3.9 V VDD = 5.5 V
−40 60 120
Temperature − C
4.50
4.45
4.40
4.35
4.25
4.20
−20 0 40 80 100
4.30
20
VDD = 5 V
T
SS
− ms
Gain
−40 60 120
Temperature − C
6.1
6.0
5.9
5.8
5.6
5.5
−20 0 40 80 100
5.7
20
VDD = 5 V
Gain
−40 60 120
Temperature − C
6.0
5.9
5.8
5.7
5.6
5.5
−20 0 40 80 10020
VDD = 5 V
−40 60 120
Temperature − C
450
400
300
250
200
100
50
−20 0 40 80 100
150
20
350
R
C
= 2.5 kΩ
R
C
=nil
R
C
= 12.5 kΩ
I
LIM
Threshold − mV
−40 60 120
Temperature − C
80
70
60
50
30
20
−20 0 40 80 100
40
20
VDD = 3.3 V
VDD = 5 V
Switch Resistance − Ω
TPS40040 , TPS40041
SLUS700D – MARCH 2006 – REVISED DECEMBER 2007
TYPICAL CHARACTERISTICS (continued)
Soft Start Time FB Voltage
Figure 7. Figure 8.
PWM Gain (TPS40040) PWM Gain (TPS40041)
Figure 9. Figure 10.
ILIM Threshold Bootstrap Switch Resistance
Figure 11. Figure 12.
6 Copyright © 2006 – 2007, Texas Instruments Incorporated
Product Folder Link(s): TPS40040 TPS40041