Datasheet

0.776
0.782
0.788
0.794
0.8
0.806
0.812
0.818
0.824
-50 -25 0 25 50 75 100 125 150
Vref-VoltageReference-V
T -JunctionTemperature-°C
J
VIN=12V
9
9.5
10
10.5
11
11.5
12
12.5
13
13.5
14
-50 -25 0 25 50 75 100 125 150
Dmin-MinimumControllableDutyRatio-%
T -JunctionTemperature-°C
J
VIN=12V
90
100
110
120
130
140
-50 -25 0 25 50 75 100 125 150
Tonmin-MinimumControllableOnTime-ns
T -JunctionTemperature-°C
J
VIN=12V
3
3.5
4
4.5
5
5.5
6
6.5
7
3 8 13 18 23 28
V -InputVoltage-V
I
CurrentLimitThreshold- A
T =150°C
J
T =-40°C
J
T =25°C
J
1.9
1.95
2
2.05
2.1
-50 -25 0 25 50 75 100 125 150
I -SSChargeCurrent- A
SS
m
T -JunctionTemperature-°C
J
VIN=12V
3 8 13 18
23 28
0
5
10
15
20
25
30
I =3.5 A
O
V -InputVoltage-V
I
V -OutputVoltage-V
O
3
8
13
18
23 28
0.75
1.25
1.75
2.25
2.75
3.25
3.75
I =3.5 A
O
V -OutputVoltage-V
O
V -InputVoltage-V
I
TPS54332
SLVS875B –JANUARY 2009–REVISED FEBRUARY 2012 www.ti.com
TYPICAL CHARACTERISTICS (continued)
MINIMUM CONTROLLABLE ON MINIMUM CONTROLLABLE DUTY
VOLTAGE REFERENCE TIME RATIO
vs vs vs
JUNCTION TEMPERATURE JUNCTION TEMPERATURE JUNCTION TEMPERATURE
Figure 4. Figure 5. Figure 6.
SS CHARGE CURRENT CURRENT LIMIT THRESHOLD
vs vs
JUNCTION TEMPERATURE INPUT VOLTAGE
Figure 7. Figure 8.
SUPPLEMENTAL APPLICATION CURVES
TYPICAL MINIMUM OUTPUT VOLTAGE TYPICAL MAXIMUM OUTPUT VOLTAGE
vs vs
INPUT VOLTAGE INPUT VOLTAGE
Figure 9. Figure 10.
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