Datasheet

3.8 4.0 4.2 4.4 4.6 4.8 5.0 5.2 5.4 5.6
V (V)
IN
I
(nA)
VSET
2.5
2.0
1.5
1.0
0.5
0
-0.5
T
J
=+125°C
T
J
=+85°C
T = 40- °
J
C
T
J
=+25°C
2.2 2.7 3.2 3.7 4.2 4.7 5.2 5.7
V (V)
IN
I (nA)
EN
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
T =+85 C°
J
T 40°
J
= - C
T =+25 C°
J
2.7 3.2 3.7 4.2 4.7 5.2 5.7
V (V)
IN
I (nA)
EN
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
T =+85 C°
J
T
J
= 40- °C
T =+25 C°
J
3.8 4.0 4.2 4.4 4.6 4.8 5.0 5.2 5.4 5.6
V (V)
IN
I (nA)
EN
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
T
J
=+85°C
T = 40- °
J
C
T
J
=+25°C
-40 -25 -10 1251109580655035205
Temperature( C)°
V (V)
EN
1.2
1.1
1.0
0.9
0.8
0.7
0.6
0.5
0.4
V On
EN
V Off
EN
-40 -25 -10 1251109580655035205
Temperature( C)°
V (V)
EN
1.2
1.1
1.0
0.9
0.8
0.7
0.6
0.5
0.4
V On
EN
V Off
EN
TPS781 Series
www.ti.com ........................................................................................................................................................... SBVS102B – MARCH 2008 – REVISED MAY 2008
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.
V
SET
PIN CURRENT vs INPUT VOLTAGE ENABLE PIN CURRENT vs INPUT VOLTAGE
I
OUT
= 100 µ A, V
VSET
= 0.4V, V
OUT
= 3.3V I
OUT
= 1mA, V
OUT
= 1.22V
TPS781330220 TPS78101
Figure 25. Figure 26.
ENABLE PIN CURRENT vs INPUT VOLTAGE ENABLE PIN CURRENT vs INPUT VOLTAGE
I
OUT
= 100 µ A, V
SET
= 1.2V, V
OUT
= 2.2V I
OUT
= 100 µ A, V
VSET
= 0.4V, V
OUT
= 3.3V
TPS781330220 TPS781330220
Figure 27. Figure 28.
ENABLE PIN HYSTERESIS vs TEMPERATURE ENABLE PIN HYSTERESIS vs TEMPERATURE
I
OUT
= 1mA, TPS78101 I
OUT
= 1mA, TPS781330220
Figure 29. Figure 30.
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