Datasheet

Voltage(1V/div)
Time(20ms/div)
V =5.5V
IN
V =3.3V
OUT
I =150mA
OUT
C =10 Fm
OUT
V
IN
V
OUT
LoadCurrent
Enable
0V
Current(50mA/div)
Voltage(1V/div)
Time(1ms/div)
LoadCurrent
V =0.0Vto5.5V
IN
V =2.2V
OUT
I =100mA
OUT
C =10 Fm
OUT
V
SET
V
IN
V
OUT
0A
0V
Current(50mA/div)
1V/div
Time(200 s/div)m
V =4.0Vto4.5V
IN
V =2.2V
OUT
I =150mA
OUT
SlewRate=1V/ sm
V
IN
V
OUT
1V/div
Time(200 s/div)m
V =4.0Vto4.5V
IN
V =3.3V
OUT
I =150mA
OUT
SlewRate=1V/ sm
V
IN
V
OUT
Voltage
(100mV/div)
Time(5ms/div)
Load
Current
V =5.5V
IN
V =3.3V
OUT
I =0mAto10mA
OUT
C =10 Fm
OUT
V
OUT
Enable
V
IN
Current
(10mA/div)
0A
Voltage
(100mV/div)
Time(2ms/div)
Load
Current
V =5.5V
IN
V =3.3V
OUT
I =0mAto60mA
OUT
C =10 Fm
OUT
V
IN
V
OUT
Enable
0A
Current
(20mA/div)
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.
OUTPUT VOLTAGE vs ENABLE (SLOW RAMP) INPUT VOLTAGE vs DELAY TO OUTPUT
TPS781330220 TPS781330220
Figure 37. Figure 38.
LINE TRANSIENT RESPONSE LINE TRANSIENT RESPONSE
TPS781330220 TPS781330220
Figure 39. Figure 40.
LOAD TRANSIENT RESPONSE LOAD TRANSIENT RESPONSE
TPS781330220 TPS781330220
Figure 41. Figure 42.
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