TPS56528
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SLVSBV3A –APRIL 2013–REVISED APRIL 2013
TYPICAL CHARACTERISTICS
VIN = 12 V, (unless otherwise noted).
400
350
300
250
200
150
100
50
20
15
10
5
VIN = 12 V
VO = 1.2 V
0
EN = 0 V
0
œ50
0
50
100
150
œ50
0
50
100
150
C004
C001
Tj Junction Temperature (°C)
TJ - Junction Temperature -°C
Figure 1. SUPPLY CURRENT vs JUNCTION TEMPERATURE
Figure 2. VIN SHUTDOWN CURRENT vs
JUNCTION TEMPERATURE
60
1.100
1.075
1.050
1.025
1.000
VIN = 18 V
50
40
30
20
10
0
V
V
= 5 V
IN=5V
IN
= 12 V
IN=12V
IN
V
= 18 V
VIN=18V
IN
0
5
10
15
20
0.0
1.0
2.0
3.0
4.0
5.0
C014
C010
EN Input Voltage (V)
IOUT - Output Current (A)
Figure 3. EN CURRENT vs EN VOLTAGE
Figure 4. 1.05-V OUTPUT VOLTAGE vs OUTPUT CURRENT
1.100
1.075
1.050
1.025
1.000
Vout( 50mV/div)
Iout( 2A/div)
I
= 10mA
OUT = 10mA
OUT
IOOUUT T= =1A1A
0
5
10
15
20
100us/div
C007
VIN - Input Voltage (V)
Figure 5. 1.05-V OUTPUT VOLTAGE vs INPUT VOLTAGE
Figure 6. 1.05-V, LOAD TRANSIENT RESPONSE
Copyright © 2013, Texas Instruments Incorporated
9
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