Datasheet
TPS76425, TPS76427, TPS76428, TPS76430, TPS76433
LOW-POWER LOW-NOISE 150-mA LOW-DROPOUT LINEAR REGULATORS
SLVS180B – MARCH 1999 – REVISED MAY 2001
3
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
recommended operating conditions
MIN NOM MAX UNIT
Input voltage, V
I
†
2.7 10 V
Continuous output current, I
O
0 150 mA
Operating junction temperature, T
J
–40 125 °C
†
To calculate the minimum input voltage for your maximum output current, use the following equation: V
I(min)
= V
O(max)
+ V
DO(max
load)
electrical characteristics over recommended operating free-air temperature range,
V
I
= V
O(typ)
+ 1 V, I
O
= 1 mA, EN = IN, C
o
= 4.7 µF (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
I
O
=1mAto100mA
T
J
=25°C
245
25
255
I
O
=
1
mA
to
100
mA
,
T
J
=
25°C
2
.
45
2
.
5
2
.
55
TPS76425
I
O
= 1 mA to 100 mA 2.425 2.5 2.575
V
TPS76425
I
O
= 1 mA to 150 mA, T
J
= 25°C 2.438 2.5 2.562
V
I
O
= 1 mA to 150 mA 2.407 2.5 2.593
I
O
= 1 mA to 100 mA, T
J
= 25°C 2.646 2.7 2.754
TPS76427
I
O
= 1 mA to 100 mA 2.619 2.7 2.781
V
TPS76427
I
O
= 1 mA to 150 mA, T
J
= 25°C 2.632 2.7 2.768
V
I
O
= 1 mA to 150 mA 2.598 2.7 2.8013
I
O
= 1 mA to 100 mA T
J
= 25°C 2.744 2.8 2.856
V
O
Out
p
ut voltage
TPS76428
I
O
= 1 mA to 150 mA, 2.73 2.8 2.870
V
V
O
Out ut
voltage
TPS76428
I
O
= 1 mA to 150 mA, T
J
= 25°C 2.716 2.8 2.884
V
I
O
= 1 mA to 150 mA 2.695 2.8 2.905
I
O
= 1 mA to 100 mA, T
J
= 25°C 2.94 3.0 3.06
TPS76430
I
O
= 1 mA to 100 mA 2.925 3.0 3.075
V
TPS76430
I
O
= 1 mA to 150 mA, T
J
= 25°C 2.91 3.0 3.090
V
I
O
= 1 mA to 150 mA 2.887 3.0 3.112
I
O
= 1 mA to 100 mA, T
J
= 25°C 3.234 3.3 3.366
TPS76433
I
O
= 1 mA to 100 mA 3.201 3.3 3.399
V
TPS76433
I
O
= 1 mA to 150 mA, T
J
= 25°C 3.218 3.3 3.382
V
I
O
= 1 mA to 150 mA 3.177 3.3 3.423
I
(Q)
Quiescent current
(GND terminal current)
I
O
= 0 to 150 mA,
See Note 2
T
J
= 25°C,
85 100
(Q)
(GND
terminal
current)
I
O
= 0 to 150 mA, See Note 2 140
µ
A
Standby current
EN < 0.5 V, T
J
= 25°C 0.5 1
µ
Standby
current
EN < 0.5 V 2
V
n
Output noise voltage
BW = 300 Hz to 50 kHz,
T
J
= 25°C,
C
o
= 10 µF,
See Note 2
50 µV
Bypass voltage T
J
= 25°C 1.192 V
PSRR Ripple rejection f = 1 kHz, C
o
= 10 µF, T
J
= 25°C, See Note 2 60 dB
Current limit T
J
= 25°C See Note 3 0.8 1.5 A
NOTES: 2. Minimum IN operating voltage is 2.7 V or V
O(typ)
+ 1 V, whichever is greater.
3. Test condition includes, output voltage V
O
=0 V and pulse duration = 10 mS.