Datasheet

-2
0
2
4
6
8
10
12
0 2 4 6 8 10
Output Voltage – V
Reverse Output Current – mA
T
J
= 25°C
V
IN
= 0 V
Current flows into OUT pin
V
OUT
Adjustable
V
OUT
= V
ADJ
V
OUT
Fixed 3.3 V
V
OUT
= V
FB
TPS7A4501
V = V
OUT ADJ
TPS7A4533
V = V
OUT FB
0
200
400
600
800
1000
-50 -25 0 25 50 75 100 125
T
A
– Free-Air Temperature – °C
Reverse Output Current – µA
V
IN
= 0 V
V
OUT
Adjustable
V
OUT
= 1.21 V
V
OUT
Fixed 3.3V
V
OUT
= 3.3 V
TPS7A4501
V = 1.21 V
OUT
TPS7A4533
V = 3.3 V
OUT
-35
-30
-25
-20
-15
-10
-5
0
5
10
15
20
-50 -25 0 25 50 75 100 125
T
A
– Free-Air Temperature – °C
Load Regulation – mV
V
OUT
Adjustable
V
OUT
Fixed 3.3 V
I
OUT
= 1.5 A
V
OUT
Fixed 2.5 V
V
OUT
Fixed 1.8 V
TPS7A4501
TPS7A4533
TPS7A4525
TPS7A4518
0
10
20
30
40
50
60
70
80
10 100 1000 10000 100000 100000
Frequency – Hz
Ripple Rejection – dB
V
IN
= 2.7 V
C
IN
= 0
C
OUT
= 10 µF
I
OUT
= 750 mA
V
Ripple
= 0.05 V
pp
10 100
1k
10k 100k
1M
V = 2.7 V
C = 0
C = 10 µF (ceramic)
I = 750 mA
V = 0.05 V
T = 25°C
IN
IN
OUT
OUT
Ripple PP
A
TPS7A45xx
www.ti.com SLVS720D –JUNE 2008–REVISED AUGUST 2011
TYPICAL CHARACTERISTICS (continued)
REVERSE OUTPUT CURRENT REVERSE OUTPUT CURRENT
vs vs
OUTPUT VOLTAGE TEMPERATURE
Figure 21. Figure 22.
RIPPLE REJECTION LOAD REGULATION
vs vs
FREQUENCY TEMPERATURE
Figure 23. Figure 24.
Copyright © 2008–2011, Texas Instruments Incorporated 11