Datasheet
SLVS208I − MAY 1999 − REVISED JANUARY 2004
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7
electrical characteristics over recommended operating free-air temperature range,
V
I
= V
O(typ)
+ 1 V, I
O
= 1 mA, EN = 0 V, C
o
= 10 mF (unless otherwise noted) (continued)
PARAMETER TEST CONDITIONS
MIN TYP MAX UNIT
Minimum input voltage for valid RESET I
O(RESET)
= 300 µA 1.1 V
Trip threshold voltage V
O
decreasing 92 98 %V
O
Reset
Hysteresis voltage Measured at V
O
0.5 %V
O
Rese
t
Output low voltage V
I
= 2.7 V, I
O(RESET)
= 1 mA 0.15 0.4 V
Leakage current V
(RESET)
= 5 V 1 µA
RESET time-out delay 200 ms
Input current (EN)
EN = 0 V −1 0 1
A
Input current (EN)
EN = V
I
−1 1
µA
TPS76728
I
O
= 1 A, T
J
= 25°C 500
TPS76728
I
O
= 1 A, T
J
= −40°C to 125°C 825
TPS76730
I
O
= 1 A, T
J
= 25°C 450
Dropout voltage (1)
TPS76730
I
O
= 1 A, T
J
= −40°C to 125°C 675
mV
Dropout voltage (1)
TPS76733
I
O
= 1 A, T
J
= 25°C 350
mV
TPS76733
I
O
= 1 A, T
J
= −40°C to 125°C 575
TPS76750
I
O
= 1 A, T
J
= 25°C 230
TPS76750
I
O
= 1 A, T
J
= −40°C to 125°C 380
(1)
IN voltage equals V
O
(typ) − 100 mV; TPS76701 output voltage set to 3.3 V nominal with external resistor divider. TPS76715, TPS76718,
TPS76725, and TPS76727 dropout voltage limited by input voltage range limitations (i.e., TPS76730 input voltage needs to drop to 2.9 V for
purpose of this test).
TYPICAL CHARACTERISTICS
Table of Graphs
FIGURE
V
O
Output voltage
vs Output current 2, 3, 4
V
O
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
Input voltage (min) vs Output voltage 12
Z
o
Output impedance vs Frequency 13
V
DO
Dropout voltage vs Free-air temperature 14
Line transient response 15, 17
Load transient response 16, 18
V
O
Output voltage vs Time 19
Dropout voltage vs Input voltage 20
Equivalent series resistance (ESR) vs Output current 22 − 25