Datasheet

0 25 50 75 100 125 150
I (mA)
OUT
V (%)
OUT
3.0
2.5
2.0
1.5
1.0
0.5
0
-0.5
-1.0
-1.5
-2.0
T
J
=+85°C
T = 40- °
J
C
T
J
=+25°C
0 25 50 75 100 125 150
I (mA)
OUT
V (%)
OUT
3
2
1
0
-1
-2
-3
T
J
=+85°C
T = 40- °
J
C
T
J
=+25°C
0 25 50 75 100 125 150
I (mA)
OUT
V (V V-
DO IN
OUT
)(mV)
200
180
160
140
120
100
80
60
40
20
0
T
J
=+85°C
T = 40- °
J
C
T
J
=+125°C
T
J
=+25°C
0 25 50 75 100 125 150
I (mA)
OUT
V (V V-
DO IN OUT
)(mV)
250
200
150
100
50
0
T
J
=+125°C
T
J
=+85°C
T = 40- °
J
C
T
J
=+25°C
-40 -25 -10 1251109580655035205
Temperature( C)°
V (V V-
DO IN OUT
)(mV)
250
200
150
100
50
0
150mA
100mA
50mA
10mA
-40 -25 -10 1251109580655035205
Temperature( C)°
V (V V-
DO IN OUT
)(mV)
250
200
150
100
50
0
150mA
100mA
50mA
10mA
TPS781 Series
SBVS102B – MARCH 2008 – REVISED MAY 2008 ........................................................................................................................................................... www.ti.com
TYPICAL CHARACTERISTICS (continued)
Over the operating temperature range of T
J
= – 40 ° C to +125 ° C, V
IN
= V
OUT(TYP)
+ 0.5V or 2.2V, whichever is greater;
I
OUT
= 100 µ A, V
EN
= V
VSET
= V
IN
, C
OUT
= 1 µ F, and C
IN
= 1 µ F, unless otherwise noted.
LOAD REGULATION LOAD REGULATION
V
VSET
= 1.2V, V
IN
= 2.7V, V
OUT
= 2.2V V
VSET
= 0.4V, V
IN
= 3.8V, V
OUT
= 3.3V
TPS781330220 TPS781330220
Figure 7. Figure 8.
DROPOUT VOLTAGE vs OUTPUT CURRENT DROPOUT VOLTAGE vs OUTPUT CURRENT
V
OUT
= 3.3V (typ), V
IN
= 0.95 × V
OUT
(typ) V
VSET
= 0.4V, V
OUT
= 3.3V (typ), V
IN
= 0.95 × V
OUT
(typ)
TPS78101 TPS781330220
Figure 9. Figure 10.
DROPOUT VOLTAGE vs TEMPERATURE DROPOUT VOLTAGE vs TEMPERATURE
V
OUT
= 3.3V (typ), V
IN
= 0.95 × V
OUT
(typ) V
VSET
= 0.4V, V
OUT
= 3.3V (typ), V
IN
= 0.95 × V
OUT
(typ)
TPS78101 TPS781330220
Figure 11. Figure 12.
6 Submit Documentation Feedback Copyright © 2008, Texas Instruments Incorporated