
TPS767D301, TPS767D318, TPS767D325
DUAL-OUTPUT LOW-DROPOUT VOLTAGE REGULATORS
SLVS209B – JULY 1999 – REVISED APRIL 2000
7
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
electrical characteristics, V
i
= V
O(nom)
+ 1 V, I
O
= 1 mA, EN = 0, C
O
= 10 µF(unless otherwise noted)
(continued)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
p
EN = 0 V –1 0 1
u
u
EN = V
I
–1 1
µ
Load regulation 3 mV
p
V
= 3.3 V,
T
J
= 25°C 350
u
v
I
O
= 1 A
T
J
= –40°C to 125°C 575
NOTE 4: IN voltage equals Vo(Typ) – 100mV; Adjustable output voltage set to 3.3V nominal with external resistor divider. 1.8V, and 2.5V dropout
voltage is limited by input voltage range limitations.
TYPICAL CHARACTERISTICS
Table of Graphs
FIGURE
p
vs Output current 2, 3, 4
u
u
v
vs Free-air temperature 5, 6, 7
Ground current vs Free-air temperature 8, 9
Power supply ripple rejection vs Frequency 10
Output spectral noise density vs Frequency 11
Output impedance vs Frequency 12
Dropout voltage vs Free-air temperature 13
Line transient response 14, 16
Load transient response 15, 17
Output voltage vs Time 18
Dropout voltage vs Input voltage 19
vs Output current, T
A
= 25°C 21
Equivalent series resistance (ESR)
vs Output current, T
J
= 125°C 22
u
v
vs Output Current, T
A
= 25°C 23
vs Output current, T
J
= 125°C 24