Datasheet

0
200
400
600
800
1000
1200
−50 0 50 100 150
Junction Temperature (°C)
Supply Current (µA)
V
IN
= 12 V
G001
0
2
4
6
8
10
12
14
16
−50 0 50 100 150
Junction Temperature (°C)
Shutdown Current (µA)
V
IN
= 12 V
G002
0
5
10
15
20
25
30
35
40
45
50
0 5 10 15 20
EN Input Voltage (V)
EN Input Current (µA)
V
IN
= 18 V
G003
1.03
1.04
1.05
1.06
1.07
0.0 0.5 1.0 1.5 2.0 2.5 3.0
Output Current (A)
Output Voltage (V)
V
IN
= 5 V
V
IN
= 12 V
V
IN
= 18 V
L = CLF7045
G004
V (50 mV/div)
OUT
I (1 A/div)
OUT
100 s/divμ
G006
1.03
1.04
1.05
1.06
1.07
0 5 10 15 20
Input Voltage (V)
Output Voltage (V)
I
OUT
= 0 A
I
OUT
= 1 A
G005
TPS54329
www.ti.com SLVSAZ6A –SEPTEMBER 2011–REVISED MARCH 2012
TYPICAL CHARACTERISTICS
V
IN
= 12 V, T
A
= 25°C (unless otherwise noted).
Figure 1. VIN CURRENT vs JUNCTION TEMPERATURE Figure 2. VIN SHUTDOWN CURRENT vs
JUNCTION TEMPERATURE
Figure 3. EN CURRENT vs EN VOLTAGE Figure 4. 1.05-V OUTPUT VOLTAGE vs OUTPUT CURRENT
Figure 5. 1.05-V OUTPUT VOLTAGE vs INPUT VOLTAGE Figure 6. 1.05-V, 50-mA to 2-A LOAD TRANSIENT
RESPONSE
Copyright © 2011–2012, Texas Instruments Incorporated 9
Product Folder Link(s): TPS54329