LM5010ASDX Equivalent & Substitute Parts

Part Overview

The LM5010ASDX is a buck switching regulator IC from Texas Instruments designed for positive adjustable output applications. It delivers 1A output current with an adjustable output voltage range from 2.5V to 70V, operating from a 6V to 75V input supply. The device is housed in a 10-WDFN exposed pad surface mount package and operates across an industrial temperature range of -40°C to 150°C.

The LM5010ASDX is classified as obsolete. Identifying equivalent substitute parts is necessary to ensure design continuity, maintain supply chain reliability, and support ongoing production requirements for applications currently utilizing this component.

Key Parameters

Parameter	Value
Function	Step-Down (Buck)
Output Configuration	Positive
Output Type	Adjustable
Number of Outputs	1
Voltage - Input (Min)	6V
Voltage - Input (Max)	75V
Voltage - Output (Min/Fixed)	2.5V
Voltage - Output (Max)	70V
Current - Output	1A
Frequency - Switching	100kHz ~ 1MHz
Synchronous Rectifier	No
Operating Temperature	-40°C ~ 150°C (TJ)
Package / Case	10-WDFN Exposed Pad
Mounting Type	Surface Mount

Substitute Part Grouping Explanation

Substitute parts for the LM5010ASDX are identified based on strict electrical and mechanical parameter matching. The following criteria determine substitution eligibility:

Critical Matching Parameters:

Function: Step-Down (Buck) topology
Output Configuration: Positive
Output Type: Adjustable
Number of Outputs: 1
Voltage - Input Range: 6V to 75V
Voltage - Output Range: 2.5V to 70V
Current - Output: 1A
Package / Case: 10-WDFN Exposed Pad
Mounting Type: Surface Mount
Operating Temperature Range: -40°C to 150°C (TJ)

The LM5010ASDX/NOPB is identified as a direct substitute based on identical electrical specifications and package configuration. The primary distinction is product status and compliance certification.

Parameter Comparison

Parameter	LM5010ASDX	LM5010ASDX/NOPB
Manufacturer	Texas Instruments	Texas Instruments
Function	Step-Down	Step-Down
Output Configuration	Positive	Positive
Output Type	Adjustable	Adjustable
Number of Outputs	1	1
Voltage - Input (Min)	6V	6V
Voltage - Input (Max)	75V	75V
Voltage - Output (Min/Fixed)	2.5V	2.5V
Voltage - Output (Max)	70V	70V
Current - Output	1A	1A
Frequency - Switching	100kHz ~ 1MHz	100kHz ~ 1MHz
Synchronous Rectifier	No	No
Operating Temperature	-40°C ~ 150°C (TJ)	-40°C ~ 150°C (TJ)
Package / Case	10-WDFN Exposed Pad	10-WDFN Exposed Pad
Supplier Device Package	10-WSON (4x4)	10-WSON (4x4)
Mounting Type	Surface Mount	Surface Mount
Product Status	Obsolete	Active
RoHS Status	RoHS non-compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)
REACH Status	REACH Unaffected	REACH Unaffected
ECCN	EAR99	EAR99
HTSUS	8542.39.0001	8542.39.0001

Engineering Selection Recommendations

The LM5010ASDX/NOPB is the direct substitute for the obsolete LM5010ASDX. Both parts share identical electrical and mechanical specifications, ensuring functional compatibility in existing circuit designs without modification.

The LM5010ASDX/NOPB offers the following advantages:

Product Status: Active product status ensures ongoing availability, technical support, and supply chain continuity.

Compliance: The LM5010ASDX/NOPB is ROHS3 compliant, meeting current environmental and regulatory requirements. The original LM5010ASDX is RoHS non-compliant and does not meet modern procurement standards.

Packaging: The LM5010ASDX/NOPB is available in Cut Tape (CT) and Digi-Reel® packaging options, providing flexibility for both prototype and production volume requirements.

For new designs or production transitions, the LM5010ASDX/NOPB is the appropriate selection. For legacy system maintenance where the original part number is specified, the LM5010ASDX/NOPB provides electrical and mechanical equivalence with improved compliance status.

Frequently Asked Questions (FAQ)

Q: Can the LM5010ASDX/NOPB be used as a direct replacement for the LM5010ASDX?

A: Yes. The LM5010ASDX/NOPB is electrically and mechanically identical to the LM5010ASDX. All electrical parameters, output voltage range, current rating, switching frequency, operating temperature range, and package configuration are identical. No circuit modifications are required.

Q: What is the difference between LM5010ASDX and LM5010ASDX/NOPB?

A: The primary differences are product status and compliance certification. The LM5010ASDX is obsolete and RoHS non-compliant. The LM5010ASDX/NOPB is an active product with ROHS3 compliance. The "/NOPB" suffix indicates lead-free, RoHS-compliant manufacturing. Electrical and mechanical specifications are identical.

Q: Are there any package or pinout differences?

A: No. Both parts use the 10-WDFN exposed pad package with 10-WSON (4x4) supplier device package configuration. Pinout, footprint, and thermal characteristics are identical.

Q: What is the moisture sensitivity level for these parts?

A: Both the LM5010ASDX and LM5010ASDX/NOPB have a Moisture Sensitivity Level (MSL) of 1 (Unlimited), indicating no moisture sensitivity restrictions for storage or handling.

Q: Can these parts be used in applications requiring RoHS compliance?

A: The LM5010ASDX/NOPB is ROHS3 compliant and suitable for RoHS-regulated applications. The original LM5010ASDX is RoHS non-compliant and does not meet RoHS requirements.

Q: What is the availability difference between these parts?

A: The LM5010ASDX is obsolete with limited remaining inventory (3300 pcs). The LM5010ASDX/NOPB is an active product with significantly higher availability (21866 pcs) and ongoing production support.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message