Datasheet

0
2
4
6
8
10
12
14
16
18
20
0 2 4 6 8 10 12 14 16
V -InputVoltage-V
I
T =-40°C
A
T =85°C
A
T =60°C
A
T =25°C
A
Iq-Quiescentcurrent- Am
Deviceenabledand
UVLOrisingthreshold
hasbeentripped
0
0.5
1
1.5
2
2.5
3
3.5
0 2 4 6 8 10 12 14 16
V -InputVoltage-V
I
T =-40°C
A
T =85°C
A
T =60°C
A
T =25°C
A
RDSon-LowsideSwitchResistance- W
I -ShutdownCurrent- A
SD
m
0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
1.8
T =-40°C
A
T =85°C
A
T =60°C
A
T =25°C
A
0 2 4 6 8 10 12 14 16
V -InputVoltage-V
I
0
100
200
300
400
500
600
700
800
900
V =3V
IN
V =9V
IN
V =5V
IN
V =7V
IN
V =12V
IN
V =15V
IN
V =2V,
L =18 HLPS3015,
C =4.7 F
OUT
OUT
m
m
0 10 20 30 40 50 60 70 80
I -OutputCurrent-mA
O
f-Frequency-kHz
TPS62120
TPS62122
www.ti.com SLVSAD5 –JULY 2010
TYPICAL CHARACTERISTICS (continued)
LOW-SIDE SWITCH RESISTANCE R
DS(ON)
QUIESCENT CURRENT
vs vs
VIN VIN
Figure 13. Figure 14.
SHUTDOWN CURRENT SWITCH FREQUENCY
vs vs
VIN OUTPUT CURRENT I
OUT
(V
OUT
= 2.0V)
Figure 15. Figure 16.
Copyright © 2010, Texas Instruments Incorporated Submit Documentation Feedback 11
Product Folder Link(s): TPS62120 TPS62122