LM317LCDR vs LM317LD

This in-depth comparison of the LM317LCDR and LM317LD 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

LM317LCDR

Texas Instruments

Lifecycle: Active
Stock: 5499 PCS
Package: SOIC-8
Series: PMIC - Voltage Regulators - Linear

+BOM RFQ

Part B

LM317LD

STMicroelectronics

Lifecycle: Active
Stock: 3104 PCS
Package: SOIC-8
Series: PMIC - Voltage Regulators - Linear

+BOM RFQ

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Full specification comparison

Use manufacturer datasheets as the final authority.

Specification	LM317LCDR	LM317LD
Part Status	Active	Obsolete
Output Configuration	Positive	Positive
Output Type	Adjustable	Adjustable
Number of Regulators	1	1
Voltage - Input (Max)	38V	40V
Voltage - Output (Min/Fixed)	1.2V	1.2V
Voltage - Output (Max)	32V	37V
Current - Output	100mA	100mA
PSRR	80dB ~ 65dB (120Hz)	80dB ~ 65dB (120Hz)
Protection Features	Over Current, Over Temperature, Short Circuit	Over Current, Over Temperature, Short Circuit
Operating Temperature	0°C ~ 125°C	0°C ~ 125°C
Mounting Type	Surface Mount	Surface Mount

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