Datasheet

TPS767D301-Q1, TPS767D318-Q1, TPS767D325-Q1
DUAL-OUTPUT LOW-DROPOUT VOLTAGE REGULATORS
SGLS231A − FEBRUARY 2004 − JUNE 2008
8
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
Input current (EN)
EN = 0 V −1 0 1
A
Input current (EN)
EN = V
I
−1 1
μA
Load regulation 3 mV
Dropout voltage (see Note 4)
V 33V I 1A
T
J
= 25°C 350
mV
Dropout voltage (see Note 4) V
O
= 3.3 V, I
O
= 1 A
T
J
= −40°C to 125°C 575
mV
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
Output voltage
vs Output current 2, 3, 4
Output voltage
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
Equivalent series resistance (ESR)
vs Output Current, T
A
= 25°C 23
vs Output current, T
J
= 125°C 24