Datasheet

TPS7415, TPS7418, TPS7425, TPS7430, TPS7433
FAST-TRANSIENT-RESPONSE USING SMALL OUTPUT CAPACITOR
200-mA LOW-DROPOUT VOLTAGE REGULATORS
SLVS212 – DECEMBER 1999
4
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
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
= 1 µF (unless otherwise noted)
PARAMETER TEST CONDITIONS TEST CONDITIONS MIN TYP MAX UNIT
TPS7415
25V<V
I
<7V
T
J
= 25°C 1.5
TPS7415
2
.
5
V
<
V
I
<
7
V
T
J
= –40°C to 125°C 1.455 1.545
TPS7418
28V<V
I
<7V
T
J
= 25°C 1.8
TPS7418
2
.
8
V
<
V
I
<
7
V
T
J
= –40°C to 125°C 1.746 1.854
Output voltage (10 µA to 200 mA load)
TPS7425
35V<V
I
<7V
T
J
= 25°C 2.5
V
g( µ )
(see Note 2)
TPS7425
3
.
5
V
<
V
I
<
7
V
T
J
= –40°C to 125°C 2.425 2.575
V
TPS7430
40V<V
I
<7V
T
J
= 25°C 3.0
TPS7430
4
.
0
V
<
V
I
<
7
V
T
J
= –40°C to 125°C 2.910 3.090
TPS7433
43V<V
I
<7V
T
J
= 25°C 3.3
TPS7433
4
.
3
V
<
V
I
<
7
V
T
J
= –40°C to 125°C 3.201 3.399
I
O
= 1 mA EN = 0 V
T
J
= 25°C 80
µA
I
O
=
1
mA
,
EN
=
0
V
T
J
= –40°C to 125°C 115
µ
A
Quiescent current (GND current) (See Note 2)
I
O
=100mA EN=0V
T
J
= 25°C 550
µA
Q
u
iescent
c
u
rrent
(GND
c
u
rrent)
(See
Note
2)
I
O
=
100
mA
,
EN
=
0
V
T
J
= –40°C to 125°C 850
µ
A
I
O
=200mA EN=0V
T
J
= 25°C 1300
µA
I
O
=
200
mA
,
EN
=
0
V
T
J
= –40°C to 125°C 1500
µ
A
Output voltage line regulation (∆V
O
/V
O
)
(see Notes 2 and 3)
V
O
+ 1 V < V
I
≤ 7 V, T
J
= 25°C 0.06 %/V
Load regulation 5 mV
Output noise voltage
BW = 300 Hz to 50 kHz,
T
J
= 25°C
C
O
= 1 µF,
190 µVrms
Output current Limit V
O
= 0 V 500 750 mA
Thermal shutdown junction temperature 150 °C
Standby current
2.5 V < V
I
< 7 V,
T
J
= 25°C
EN = V
I,
1 µA
Standb
y
c
u
rrent
2.5 V < V
I
< 7 V,
T
J
= –40°C to 125°C
EN = V
I,
3 µA
High level enable input voltage 2 V
Low level enable input voltage 0.7 V
In
p
ut current (EN)
EN = 0 V –1 1
µA
Inp
u
t
c
u
rrent
(EN)
EN = V
I
–1 1
µ
A
Power supply ripple rejection (see Note 2)
f = 100 Hz,
T
J
= 25°C
C
O
= 1 µF,
55 dB
TPS7430
I
O
= 200 mA, T
J
= 25°C 180
Dro
p
out voltage (see Note 4)
TPS7430
I
O
= 200 mA, T
J
= –40°C to 125°C 350
mV
Dropo
u
t
v
oltage
(see
Note
4)
TPS7433
I
O
= 200 mA, T
J
= 25°C 170
mV
TPS7433
I
O
= 200 mA, T
J
= –40°C to 125°C 315
NOTES: 2. Minimum IN operating voltage is 2.5 V or V
O(typ)
+ 1 V, whichever is greater. Maximum IN voltage 7 V.
3. If V
O
= 1.5 V then V
imax
= 7 V, V
imin
= 2.5 V:
4. IN voltage equals V
O
(Typ) – 100 mV; TPS7430 and TPS7433 dropout limited by input voltage range limitations (i.e., TPS7430 input
voltage needs to drop to 2.9 V for purpose of this test).
Line Reg. (mV) % V
V
O
V
imax
2.5 V
100
1000
If V
O
≥ 2.5 V then V
imax
= 7 V, V
imin
= V
O
+ 1 V:
Line Reg. (mV) % V
V
O
V
imax
V
O
1V
100
1000