Datasheet

1.03
1.04
1.05
1.06
1.07
V - Output Voltage - V
O
0 5 10 15 20
V - Input Voltage - V
I
I = 0 A
O
I = 1 A
O
t - Time - 100 s/divm
Vout (50 mV/div)
Iout (2 A/div)
0 1 2 3 4 5
I - Output Current - A
O
1.03
1.04
1.05
1.06
1.07
V - Output Voltage - V
O
V = 18 V
IN
V = 12 V
IN
V = 5 V
IN
0 5 10 15 20
EN - Input Voltage - V
0
5
10
15
20
25
30
35
40
45
50
EN - Input Current - Am
V = 18 V
IN
0
1
2
3
4
5
6
7
Ivccsdn - Shutdown Current - Am
-50 0 50 100 150
T - Junction Temperature C
J
- °
V = 12 V
IN
-50 0 50 100 150
T - Junction Temperature C
J
- °
0
200
400
600
800
1000
1200
I - Supply Current - A
CC
m
V = 12 V
IN
TPS54527
www.ti.com SLVSAY5C –JULY 2011–REVISED MAY 2012
TYPICAL CHARACTERISTICS
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): TPS54527