Datasheet

2.2 2.7 3.2 3.7 4.2 4.7 5.2 5.7
V (V)
IN
I
(nA)
GND
60
50
40
30
20
10
0
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
CurrentLimit(mA)
280
270
260
250
240
230
220
210
200
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
CurrentLimit(mA)
300
290
280
270
260
250
240
230
220
210
200
T =+125 C°
J
T =+85 C°
J
T = 40- °
J
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
CurrentLimit(mA)
300
290
280
270
260
250
240
230
220
210
200
T
J
=+125°C
T
J
=+85°C
T = 40- °
J
C
T
J
=+25°C
-40 -25 -10 1251109580655035205
Temperature( C)°
I
(nA)
FB
5
4
3
2
1
0
V min
IN
V max
IN
2.7 3.2 3.7 4.2 4.7 5.2 5.7
V (V)
IN
I (nA)
VSET
1.0
0.8
0.6
0.4
0.2
0
T
J
=+85°C
T = 40- °
J
C
T
J
=+25°C
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.
SHUTDOWN CURRENT vs INPUT VOLTAGE CURRENT LIMIT vs INPUT VOLTAGE
I
OUT
= 0mA, V
VSET
= 0.4V V
OUT
= 90% V
OUT
(typ), V
OUT
= 1.22V (typ)
TPS78101 TPS78101
Figure 19. Figure 20.
CURRENT LIMIT vs INPUT VOLTAGE CURRENT LIMIT vs INPUT VOLTAGE
V
VSET
= 1.2V, V
OUT
= 95% V
OUT
(typ), V
OUT
= 2.2V (typ) V
VSET
= 0.4V, V
OUT
= 95% V
OUT
(typ), V
OUT
= 3.3V (typ)
TPS781330220 TPS781330220
Figure 21. Figure 22.
FEEDBACK PIN CURRENT vs TEMPERATURE V
SET
PIN CURRENT vs INPUT VOLTAGE
I
OUT
= 0mA, V
OUT
= 1.22V I
OUT
= 100 µ A, V
VSET
= 1.2V, V
OUT
= 2.2V
TPS78101 TPS781330220
Figure 23. Figure 24.
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