Datasheet

TPS7301Q, TPS7325Q, TPS7330Q, TPS7333Q, TPS7348Q, TPS7350Q
LOW-DROPOUT VOLTAGE REGULATORS
WITH INTEGRATED DELAYED RESET FUNCTION
SLVS124F – JUNE 1995 – REVISED JANUARY 1999
18
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
TPS7348Y electrical characteristics at I
O
= 10 mA, V
I
= 5.85 V, EN = 0 V, C
o
= 4.7 µF (CSR
†
= 1 Ω),
T
J
= 25°C, SENSE shorted to OUT (unless otherwise noted)
PARAMETER
TEST CONDITIONS
‡
MIN TYP MAX
UNIT
Output voltage 4.85 V
I
O
= 10 mA, V
I
= 4.75 V 2.9
Dropout voltage
I
O
= 100 mA, V
I
= 4.75 V 28
mV
I
O
= 500 mA, V
I
= 4.75 V 150
Pass-element series resistance
(4.75 V – V
O
)/I
O
,
I
O
= 500 mA
V
I
= 4.75 V,
0.28 Ω
Input regulation V
I
= 5.85 V to 10 V, 50 µA ≤ I
O
≤ 500 mA 9 mV
Out
p
ut regulation
I
O
= 5 mA to 500 mA, 5.85 V ≤ V
I
≤ 10 V 28 mV
O
u
tp
u
t
reg
u
lation
I
O
= 50 µA to 500 mA, 5.85 V ≤ V
I
≤ 10 V 42 mV
Ri
pp
le rejection
f = 120 Hz
I
O
= 50 µA 53
dB
Ripple
rejection
f
=
120
H
z
I
O
= 500 mA 50
dB
Output noise-spectral density f = 120 Hz 2 µV/√Hz
C
o
= 4.7 µF
410
Output noise voltage 10 Hz ≤ f ≤ 100 kHz
C
o
= 10 µF
328
µVrms
C
o
= 100 µF
212
RESET hysteresis voltage
26 mV
RESET output low voltage
I
O(RESET)
= –1.2 mA, V
I
= 4.12 V 0.2 V
†
CSR refers to the total series resistance, including the ESR of the capacitor, any series resistance added externally, and PWB trace resistance
to C
o
.
‡
Pulse-testing techniques are used to maintain virtual junction temperature as close as possible to ambient temperature; thermal effects must
be taken into account separately.