IP137A SERIES LM137A SERIES
IP137A SERIES LM137A SERIES
IP337A SERIES
IP337A SERIES
1.5 AMP
1
2 3
NEGATIVE ADJUSTABLE
VOLTAGE REGULATOR
1
2 3
FEATURES
Pin 1 – ADJ.
Pin 2 – VIN
Pin 3 – VOUT
Case – VIN
Pin 1 – ADJ.
Pin 2 – VIN
Pin 3 – VOUT
• 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
IG Package – (TO–257AA)
G Package – (TO–257AA)
(Isolated)
1
3
1
3
• 0.01%/V LINE REGULATION
2
2
• COMPLETE SERIES OF PROTECTIONS:
• CURRENT LIMITING
Pin 1 – ADJ.
Pin 2 – VOUT
Pin 3 – VIN
Pin 1 – ADJ.
Pin 2 – VIN
Pin 3 – VOUT
• THERMAL SHUTDOWN
• SOA CONTROL
SMD05 (TO-276AA)
SMD1 (TO276AB)
CERAMIC SURFACE MOUNT
CERAMIC SURFACE MOUNT
12 13 14 1516
17
18
1
11
10
9
1
2
1
2
3
1
2
8
2
3
7
6 5 4 3
3
Pin 1 – ADJ.
Pin 2 – VIN
Pin 3 – VOUT
Case – VIN
Pin 1 – ADJ.
Pin 2 – VOUT
Case – VIN
Pins 4,5 – ADJ.
Pins 6,7,8,9,10,11,12,13 – VOUT
Pins 15,16,17,18,1,2 – VIN
Pin 1 – ADJ.
Pin 2 – VOUT
Case – VIN
R Package – TO–66
(TO-213AA)
LCC4
T Package – TO–220
K Package – TO–3 (TO-204AA)
CERAMIC SURFACE MOUNT
ABSOLUTE MAXIMUM RATINGS (T
= 25°C unless otherwise stated)
case
V
Input - Output Differential Voltage
– Standard
– HV Series
40V
50V
I–O
I
Output Current
Internally limited
Internally limited
O
P
Power Dissipation
D
T
T
Operating Junction Temperature Range
Storage Temperature
See Order Information Table
-65 to 150°C
j
stg
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.
Semelab plc. Telephone +44(0)1455 556565. Fax +44(0)1455 552612.
Document Number 2831
Issue 2
E-mail: sales@semelab.co.uk
Website: http://www.semelab.co.uk