LM337IMP vs LM337IMPX

This in-depth comparison of the LM337IMP and LM337IMPX provides valuable insights into their specifications and key features. We cover important factors in detail, including RoHS compliance, REACH status, series, mounting style, package type, and other relevant characteristics. Presenting the differences side by side simplifies component selection, making it easier for you to select the best option for your specific application.

Technical review by ETEI Component Engineering Source: manufacturer documentation

Parts at a glance

Part A

LM337IMP

Texas Instruments

Lifecycle: Active
Stock: 7325 PCS
Series: Power Management (PMIC) - Voltage Regulators - Linear, Low Drop Out (LDO) Regulators

+BOM RFQ

Part B

LM337IMPX

Texas Instruments

Lifecycle: Active
Stock: 4028 PCS
Package: SOT-223-4
Series: PMIC - Voltage Regulators - Linear

+BOM RFQ

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Full specification comparison

Use manufacturer datasheets as the final authority.

Specification	LM337IMP	LM337IMPX
Part Status	Obsolete	Not For New Designs
Output Configuration	Negative	Negative
Output Type	Adjustable	Adjustable
Number of Regulators	1	1
Voltage - Input (Max)	-40V	-40V
Voltage - Output (Min/Fixed)	-	-1.2V
Voltage - Output (Max)	-37V	-37V
Current - Output	1.5A	1.5A
PSRR	60dB (120Hz)	60dB (120Hz)
Protection Features	Over Temperature, Short Circuit	Over Temperature, Short Circuit
Operating Temperature	-40°C ~ 125°C	-40°C ~ 125°C
Mounting Type	Surface Mount	Surface Mount
Base Product Number	LM337	-
Voltage - Output (Min / Fixed)	-1.2V	-
Packaging	Cut Tape (CT), Tape & Reel (TR)	-

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