IP137MAHVH
IP137MHVHA
LM137HVH
IP137MAH
IP137MH
LM137H
0.5 AMP
NEGATIVE ADJUSTABLE
VOLTAGE REGULATOR
2
1
3
FEATURES
• –1.2V TO 47V OUTPUT VOLTAGE RANGE
Pin 1 – ADJ.
Pin 2 – V
OUT
Pin 3 – V
IN
• 0.5A OUTPUT CURRENT
• 1% OUTPUT VOLTAGE TOLERANCE
• 0.5% / A LOAD REGULATION
• 0.01% / V LINE REGULATION
• 0.02% / W THERMAL REGULATION
• INTERNAL PROTECTION
H Package – TO–39
Internal current and power limiting coupled with
true thermal limiting prevents device damage
due to overloads or shorts, even if the regulator
is not fastened to a heat sink.
ABSOLUTE MAXIMUM RATINGS
(T
case
= 25°C unless otherwise stated)
V
I–O
I
O
P
D
T
J
T
STG
T
J
Input - Output Differential Voltage
Output Current
Power Dissipation
Operating Junction Temperature Range
Storage Temperature
Lead temperature
Telephone +44(0)1455 556565. Fax +44(0)1455 552612.
E-mail:
sales@semelab.co.uk
Website:
http://www.semelab.co.uk
– Standard
– HV Series
40V
50V
Internally limited
Internally limited
–55 to +150°C
–65 to 150°C
300°C
Prelim. 7/00
Semelab plc.
IP137MAHVH
IP137MHVHA
LM137HVH
IP137MAHV
IP137MA
Min.
Typ.
Max.
-1.238
-1.220
T
J
= -55 to 150°C
0.005
T
J
= -55 to 150°C
I
OUT
= 10mA to I
MAX
V
OUT
£
5V
V
OUT
³
5V
I
OUT
= 10mA to I
MAX
T
J
= -55 to 150°C
Thermal Regulation
Ripple Rejection
I
ADJ
Adjust Pin Current
Adjust Pin Current
Change
I
MIN
Minimum Load
Current
t
p
= 10ms
V
OUT
= -10V
f = 120Hz
T
J
= -55 to 150°C
I
OUT
= 10mA to I
MAX
V
IN
– V
OUT
= 3V to 40V
V
IN
– V
OUT
= 3V to 50V
V
OUT
£
5V
V
OUT
³
5V
T
A
= 25°C
C
ADJ
= 0
C
ADJ
= 10
m
F
T
J
= -55 to 150°C
60
70
0.010
5
0.1
10
0.2
0.002
66
80
65
0.2
1.0
2.0
2.5
1.2
0.50
0.15
0.10
0.80
0.17
0.17
0.6
0.3
0.003
12
15
0.5
1.5
1
100
2
5
6
5
3
1.5
0.50
0.15
0.10
66
0.010
0.030
25
0.5
50
1
0.020
-1.25
-1.25
IP137MAH
IP137MH
LM137H
Parameter
Test Conditions
I
OUT
= 10mA
I
OUT
= 10mA to I
MAX
V
IN
– V
OUT
= 3V to V
MAX
P
£
P
MAX
V
IN
– V
OUT
= 3V to V
MAX
IP137MHV , IP137M
LM137HV , LM137
Min.
Typ.
Max.
-1.25
-1.25
0.010
0.020
15
0.3
20
0.3
0.002
60
77
65
0.5
2
3
2.5
1.2
0.80
0.17
0.17
0.6
0.3
0.003
12
15
1
0.5
100
5
5
6
5
3
1.5
-1.275
-1.300
0.020
0.050
25
0.5
50
1
0.02
Units
V
V
-1.262 -1.225
-1.280 -1.200
V
REF
Reference Voltage
D
V
OUT
Line Regulation
1
D
V
IN
D
V
OUT
Load Regulation
1
D
I
OUT
%/V
mV
%
mV
%
%/W
dB
dB
m
A
m
A
D
I
ADJ
T
J
= -55 to +150°C
(HV SERIES)
T
J
= -55 to 150°C
V
IN
– V
OUT
£
40V
V
IN
– V
OUT
£
10V
V
IN
– V
OUT
£
15V
I
CL
Current Limit
T
J
= -55 to 150°C
V
IN
– V
OUT
= 40V
V
IN
– V
OUT
= 50V
mA
A
(HV SERIES)
D
V
OUT
Temperature
T
J
= -55 to 150°C
D
TEMP Stability
T
A
= +125°C
D
V
OUT
Long Term Stability
D
TIME
t = 1000 Hrs
e
n
R
q
JC
RMS Output Noise
(% of V
OUT
)
Thermal Resistance
Junction to Case
f = 10 Hz to 10 kHz
T
A
= 25°C
H Package
%
%
%
°C/W
1) 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 at a point
1
/
8
” from the bottom of
the package for the TO–3 and TO–66 packages, at the junction of the wide and narrow portion of the output lead for the
SMD1package, and
1
/
8
” below the base of the package on the output pin of the TO–257 package.
2) Test Conditions unless otherwise stated: V
IN
– V
OUT
= 5V , I
OUT
= 0.1A , P
MAX
= 2W , I
MAX
= 0.5A
V
MAX
= 40V for standard series , 50V for HV series.
Semelab plc.
Telephone +44(0)1455 556565. Fax +44(0)1455 552612.
E-mail:
sales@semelab.co.uk
Website:
http://www.semelab.co.uk
Prelim. 7/00
Microcontroller MCU
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