Datasheet

TPS767D301-Q1, TPS767D318-Q1, TPS767D325-Q1
DUAL-OUTPUT LOW-DROPOUT VOLTAGE REGULATORS
SGLS231A − FEBRUARY 2004 − JUNE 2008
13
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
Figure 18
t − Time − μs
OUTPUT VOLTAGE
vs
TIME (AT STARTUP)
3
2
604020 80 100 140120 160 180 2000
V
O
− Output Voltage − V
0
1
4
Enable Pulse − V
0
Figure 19
V
I
− Input Voltage − V
600
300
0
34
500
400
200
3.52.5
− Dropout Voltage − mV
100
4.5 5
DROPOUT VOLTAGE
vs
INPUT VOLTAGE
V
DO
900
800
700
T
A
= 125°C
T
A
= −40°C
T
A
= 25°C
I
O
= 1A
IN
EN
OUT
+
GND
C
O
ESR
R
L
V
I
To Load
Figure 20. Test Circuit for Typical Regions of Stability (Figures 21 through 24) (fixed output options)