LM237K STMicroelectronics, LM237K Datasheet - Page 5

• Manufacturer Part Number: LM237K
• Description: IC VOLT REG NEG ADJ 1.5A TO-3
• Manufacturer: STMicroelectronics

Specifications of LM237K

• Regulator Topology: Negative Adjustable
• Voltage - Output: -1.2 ~ -37 V
• Number Of Regulators: 1
• Operating Temperature: -25°C ~ 125°C
• Mounting Type: Through Hole
• Package / Case: TO-204, TO-3
• Polarity: Negative
• Number Of Outputs: 1
• Output Type: Adjustable
• Output Voltage: - 1.2 V to - 37 V
• Output Current: 1.5 A
• Line Regulation: 0.02 % / V
• Load Regulation: 0.5 %
• Input Voltage Max: 40 V
• Maximum Operating Temperature: + 125 C
• Minimum Operating Temperature: - 25 C
• Maximum Power Dissipation: 20000 mW
• Mounting Style: Through Hole
• Reference Voltage: - 1.275 V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Output: -
• Voltage - Input: -
• Voltage - Dropout (typical): -
• Current - Limit (min): -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

3
Table 2.
Note:
Table 3.
Symbol
V
Symbol
T
T
I
R
P
R
STG
I
- V
OP
O
D
thJC
thJA
O
Input output voltage differential
Output current
Power dissipation
Storage temperature range
Operating junction temperature range
Absolute maximum ratings
Maximum ratings
Absolute maximum ratings are those values beyond which damage to the device may occur.
Functional operation under these condition is not implied.
Thermal data
Thermal resistance junction-case max.
Thermal resistance junction-ambient max.
Parameter
Parameter
LM137
LM337
TO-220
70
3
Internally limited
- 65 to 150
- 55 to 150
0 to 125
Value
1.5
40
TO-3
35
4
°C/W
°C/W
Unit
Unit
°C
°C
V
A
5/18