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
TL1963A (Adjustable)
V = V
OUT ADJ
TL1963A-3.3
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
TL1963A (Adjustable)
V = 1.21 V
OUT
TL1963A-3.3
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
TL1963A (Adjustable)
TL1963A-3.3
TL1963A-2.5
TL1963A-1.8
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
TL1963A-xx
www.ti.com SLVS719F –JUNE 2008– REVISED MAY 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.
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