![](http://datasheet.mmic.net.cn/230000/IP138AK_datasheet_15585794/IP138AK_2.png)
V
REF
Reference Voltage
D
V
OUT
Line Regulation
1
D
V
IN
D
V
OUT
Load Regulation
1
D
I
OUT
Thermal Regulation
Ripple Rejection
I
ADJ
Adjust Pin Current
D
I
ADJ
Adjust Pin Current
Change
I
MIN
Minimum Load
Current
I
SC
Current Limit
D
V
OUT
Temperature
D
TEMP Stability
D
V
OUT
Long Term Stability
D
TIME
e
n
RMS Output Noise
(% of V
OUT
)
R
q
JC
Thermal Resistance
Junction to Case
I
OUT
= 10mA
I
OUT
= 10mA to 5A
V
IN
– V
OUT
= 3V to 35V
P
£
50W
V
IN
– V
OUT
= 3V to 35V
T
J
= –55 to +150°C
T
J
= –55 to +150°C
V
OUT
£
5V
V
OUT
3
5V
V
OUT
£
5V
V
OUT
3
5V
I
OUT
= 10mA to 5A
I
OUT
= 10mA to 5A
T
J
= –55 to +150°C
t
p
= 20ms
C
ADJ
= 0
V
OUT
= 10V
f = 120Hz
T
J
= –55 to +150°C
C
ADJ
= 10
m
F
T
J
= –55 to +150°C
T
J
= –55 to +150°C
I
OUT
= 10mA to 5A
V
IN
– V
OUT
= 3V to 35V
T
J
= –55 to +150°C
V
IN
– V
OUT
= 35V
T
J
= –55 to +150°C
V
IN
– V
OUT
£
10V
T
J
= –55 to +150°C
V
IN
– V
OUT
= 30V
DC
0.5ms Peak
T
J
= –55 to +150°C
T
A
= 125°C
t = 1000 Hrs
f = 10 Hz to 10 kHz
K Package (TO–3)
1.238
1.25
1.262
1.225
1.250
1.270
0.005
0.020
5
0.1
20
0.3
0.002
0.010
0.040
15
0.3
30
0.6
0.010
60
60
75
45
100
0.2
5
3.5
5
5
7
8
12
1
0.25
1
2
0.3
1
0.001
1
1.190
1.240
1.290
0.005
0.020
5
0.1
20
0.3
0.002
0.010
0.040
15
0.3
30
0.6
0.010
60
60
75
45
100
0.2
5
3.5
5
5
7
8
12
1
1
0.3
1
0.001
1
V
V
% / V
mV
%
mV
%
%/W
dB
dB
m
A
m
A
mA
A
A
%
%
%
°C/W
IP138A SERIES
IP138
A
SERIES
IP338A SERIES
IP338
A
SERIES
LM138 SERIES
Prelim. 4/96
Semelab plc.
Telephone +44(0)1455 556565. Fax +44(0)1455 552612.
E-mail:
sales@semelab.co.uk
http://www.semelab.co.uk1) Regulation is measured at constant junction temperature, using pulse testing at a low duty cycle. Changes in output voltage due to
heating effects are covered under thermal regulation specifications. Load regulation is measured from the bottom of the package
for the TO–3 package.
= 2.5A.
Although power dissipation is internally limited, these specifications apply for dissipations of 50W and I
= 5A.
Typ.
Typ.
Min.
Max.
Min.
Max.