1 Features
1• Output Voltage Range Adjustable From
–1.2 V to –37 V
• Output Current Capability of 1.5 A Max
• Input Regulation Typically 0.01% Per Input-
Voltage Change
• Output Regulation Typically 0.3%
• Peak Output Current Constant Over Temperature
Range of Regulator
• Ripple Rejection Typically 77 dB
• Direct Replacement for Industry-Standard LM237
and LM337

2 Applications
• Applications Requiring Negative Output Voltage or
Precision Current Regulation
• Consumer Electronics
• End Equipment
• Portable Applications

3 Description
The LM237 and LM337 are adjustable 3-terminal
negative-voltage regulators capable of supplying in
excess of –1.5 A over an output voltage range of –1.2
V to –37 V. They require only two external resistors
to set the output voltage and one output capacitor for
frequency compensation.