Datasheet

TPS7301Q, TPS7325Q, TPS7330Q, TPS7333Q, TPS7348Q, TPS7350Q
LOW-DROPOUT VOLTAGE REGULATORS
WITH INTEGRATED DELAYED RESET FUNCTION
SLVS124F – JUNE 1995 – REVISED JANUARY 1999
21
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
Table of Graphs
I
Q
Quiescent current
vs Output current 7
I
Q
Q
u
iescent
c
u
rrent
vs Input voltage 8
I
Q
Quiescent current TPS7348 vs Free-air temperature 9
I
Q
Quiescent current
TPS7325
vs Input voltage 10
I
Q
Q
u
iescent
c
u
rrent
TPS7325
vs Free-air temperature 11
V
DO
Dropout voltage vs Output current 12
∆V
DO
Change in dropout voltage vs Free-air temperature 13
V
DO
Dropout voltage TPS7301 vs Output current 14
∆V
O
Change in output voltage vs Free-air temperature 15
V
O
Output voltage vs Input voltage 16
V
O
Output voltage TPS7325 vs Input voltage 17
Line regulation 18
TPS7301 vs Output current 19
TPS7325 vs Output current 20
V
O
Out
p
ut voltage
TPS7330 vs Output current 21
V
O
O
u
tp
u
t
v
oltage
TPS7333 vs Output current 22
TPS7348 vs Output current 23
TPS7350 vs Output current 24
Output voltage response from enable (EN) 25
TPS7301 or TPS7333 26
TPS7325 27
Load transient res
p
onse
TPS7348 or TPS7350 28
Load
transient
response
TPS7301 29
TPS7333 30
TPS7348 or TPS7350 31
Ripple rejection vs Frequency 32
Output spectral noise density vs Frequency 33
C=47µF
vs Output current 34
Compensation series resistance
C
o
=
4
.
7
µ
F
vs Added ceramic capacitance 35
(CSR)
C=10µF
vs Output current 36
C
o
=
10
µ
F
vs Added ceramic capacitance 37
r
DS(on)
Pass-element resistance vs Input voltage 38
V
I
Minimum input voltage for valid RESET vs Free-air temperature 39
V
IT–
Negative-going reset threshold vs Free-air temperature 40
I
OL(RESET)
RESET output current vs Input voltage 41
t
d
Reset time delay vs Free-air temperature 42
t
d
Distribution for reset delay 43