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Document Number 2831
Issue 3
IP137A SERIES
IP137A SERIES
IP337A SERIES
IP337A SERIES
LM137A SERIES
LM137A 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
Semelab Plc reserves the right to change test conditions, parameter limits and package dimensions without notice. Information furnished by Semelab is believed
to be both accurate and reliable at the time of going to press. However Semelab assumes no responsibility for any errors or omissions discovered in its use.
Semelab encourages customers to verify that datasheets are current before placing orders.
Pin 1 – ADJ.
Pin 2 – VOUT
Case – VIN
K Package – TO–3 (TO-204AA)
Pin 1 – ADJ.
Pin 2 – VOUT
Case – VIN
R Package – TO–66
(TO-213AA)
1.5 AMP
NEGATIVE ADJUSTABLE
VOLTAGE REGULATOR
VI–O
Input - Output Differential Voltage
– Standard
– HV Series
IO
Output Current
PD
Power Dissipation
Tj
Operating Junction Temperature Range
Tstg
Storage Temperature
40V
50V
Internally limited
See Order Information Table
-65 to 150°C
ABSOLUTE MAXIMUM RATINGS (Tcase = 25°C unless otherwise stated)
FEATURES
OUTPUT VOLTAGE RANGE OF:
1.25 TO 40V FOR STANDARD VERSION
1.25 TO 50V FOR –HV VERSION
1% OUTPUT VOLTAGE TOLERANCE
0.3% LOAD REGULATION
0.01% / V LINE REGULATION
COMPLETE SERIES OF PROTECTIONS:
CURRENT LIMITING
THERMAL SHUTDOWN
SOA CONTROL
12
3
12
Pin 1 – ADJ.
Pin 2 – VIN
Pin 3 – VOUT
Case – VIN
T Package – TO–220
Pin 1 – ADJ.
Pin 2 – VIN
Pin 3 – VOUT
Case – VIN
G Package – (TO–257AA)
123
1 23
Pin 1 – ADJ.
Pin 2 – VIN
Pin 3 – VOUT
SMD1 (TO276AB)
CERAMIC SURFACE MOUNT
Pin 1 – ADJ.
Pin 2 – VIN
Pin 3 – VOUT
IG Package – (TO–257AA)
(Isolated)
13
2
Pin 1 – ADJ.
Pin 2 – VIN
Pin 3 – VOUT
SMD05 (TO-276AA)
CERAMIC SURFACE MOUNT
13
2
1 23
Pins 4,5 – ADJ.
Pins 6,7,8,9,10,11,12,13 – VOUT
Pins 15,16,17,18,1,2 – VIN
LCC4
CERAMIC SURFACE MOUNT
15 16
13
12
14
17
18
1
2
3
4
5
6
7
11
10
8
9