LM137H - Texas Instruments

Manufacturer Part Number

LM137H

Manufacturer

Texas Instruments

Introduction

The LM137H is a versatile low dropout negative adjustable output linear voltage regulator, capable of supplying 1.5A over a -1.2V to -37V output range.

Product Features and Performance

Negative Adjustable Output Linear Voltage Regulator

High Output Current of 1.5A

Wide Output Voltage Range: -1.2V to -37V

Power Supply Rejection Ratio (PSRR) of 66dB at 120Hz

High Reliability and Efficiency

Long-Term Stability

Wide Operating Temperature Range: -55°C to 150°C

Through-Hole Mounting Type

Product Advantages

Capable of handling high input voltages up to -40V

Supports a wide range of negative output voltages

Provides thermal and overcurrent protection features

Ensures system safety with over-temperature and short-circuit protection

Robust design for harsh environments

High PSRR reduces output noise and improves transient response

Key Technical Parameters

Output Configuration: Negative

Output Type: Adjustable

Number of Regulators: 1

Voltage - Input (Max): -40V

Voltage - Output (Min/Fixed): -1.2V

Voltage - Output (Max): -37V

Current - Output: 1.5A

PSRR: 66dB at 120Hz

Protection Features: Over Current, Over Temperature, Short Circuit

Quality and Safety Features

Robust over-temperature protection

Short circuit protection to safeguard against faults

Over-current protection for reliable performance

Compatibility

Through-Hole Mounting compatible with TO-205AD, TO-39-3 Metal Can packages

Supplier Device Package: TO-3

Application Areas

Power Supplies

Motor Controls

Automotive Electronics

Test Equipment

Industrial Applications

Product Lifecycle

Active Status

Well-supported with documentation and technical resources

Not reported as nearing discontinuation, replacements or upgrades should be checked with manufacturer

Several Key Reasons to Choose This Product

Dependable performance in a wide range of operating conditions

Versatile applications due to adjustable voltage output

High current capacity suitable for robust applications

Protected against common faults for improved safety

Backed by Texas Instruments' reputation for quality and durability

Adequate noise reduction characteristics for sensitive applications

Widely applicable in commercial and industrial settings due to extensive temperature range