LM20125MH/NOPB Equivalent & Substitute Parts

Part Overview

The LM20125MH/NOPB is a buck switching regulator IC from Texas Instruments' PowerWise® series, designed for step-down voltage conversion applications. This positive adjustable regulator delivers 5A output current with an input voltage range of 2.95V to 5.5V and adjustable output from 0.8V to 4.68V. The device features synchronous rectification and operates across the industrial temperature range of -40°C to 125°C. As an active product with ROHS3 compliance and unlimited moisture sensitivity rating, substitute parts are identified to provide packaging flexibility and inventory optimization while maintaining identical electrical and mechanical specifications.

Substiute Parts

LM20125MH/NOPB
Texas InstrumentsIn Stock: 1236LM20125MH/NOPB Datasheet
LM20125MH/NOPB
Current Part
LM20125MHX/NOPB
Texas InstrumentsIn Stock: 2383LM20125MHX/NOPB Datasheet
LM20125MHX/NOPB
Direct

Key Parameters

Parameter Value
Manufacturer Texas Instruments
Function Step-Down Buck Regulator
Output Configuration Positive Adjustable
Number of Outputs 1
Voltage - Input (Min/Max) 2.95V / 5.5V
Voltage - Output (Min/Max) 0.8V / 4.68V
Current - Output 5A
Frequency - Switching 500kHz
Synchronous Rectifier Yes
Operating Temperature -40°C ~ 125°C (TJ)
Package / Case 16-PowerTSSOP (0.173", 4.40mm Width)
Mounting Type Surface Mount
RoHS Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)

Substitute Part Grouping Explanation

The LM20125MH/NOPB and LM20125MHX/NOPB are direct substitutes based on identical electrical and mechanical specifications. Both devices share the same base product number (LM20125), manufacturer (Texas Instruments), and all critical performance parameters including input/output voltage ranges, output current rating, switching frequency, and package configuration.

The substitution is determined by the following key parameters:

  • Identical voltage specifications (input 2.95V–5.5V, output 0.8V–4.68V adjustable)
  • Matching output current capacity (5A)
  • Same switching frequency (500kHz)
  • Identical package type (16-PowerTSSOP)
  • Equivalent thermal and compliance ratings

The only difference between these parts is the packaging format: the main part (LM20125MH/NOPB) is supplied in Tube packaging, while the substitute (LM20125MHX/NOPB) is supplied in Tape & Reel format. This distinction affects only procurement and handling, not electrical performance or circuit functionality.

Parameter Comparison

Parameter LM20125MH/NOPB LM20125MHX/NOPB
Manufacturer Texas Instruments Texas Instruments
Series PowerWise® PowerWise®
Function Step-Down Step-Down
Output Configuration Positive Positive
Output Type Adjustable Adjustable
Number of Outputs 1 1
Voltage - Input (Min) 2.95V 2.95V
Voltage - Input (Max) 5.5V 5.5V
Voltage - Output (Min/Fixed) 0.8V 0.8V
Voltage - Output (Max) 4.68V 4.68V
Current - Output 5A 5A
Frequency - Switching 500kHz 500kHz
Synchronous Rectifier Yes Yes
Operating Temperature -40°C ~ 125°C (TJ) -40°C ~ 125°C (TJ)
Mounting Type Surface Mount Surface Mount
Package / Case 16-PowerTSSOP (0.173", 4.40mm Width) 16-PowerTSSOP (0.173", 4.40mm Width)
Supplier Device Package 16-HTSSOP 16-HTSSOP
Base Product Number LM20125 LM20125
RoHS Status ROHS3 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
Packaging Format Tube Tape & Reel (TR)

Engineering Selection Recommendations

Both the LM20125MH/NOPB and LM20125MHX/NOPB are active products with identical electrical performance and full regulatory compliance (ROHS3, REACH Unaffected, EAR99 classification). Selection between these parts should be based on procurement requirements and assembly processes:

  • LM20125MH/NOPB (Tube packaging): Suitable for low-volume applications, manual assembly, or prototype development where smaller quantities per package are preferred.
  • LM20125MHX/NOPB (Tape & Reel packaging): Optimized for high-volume production runs and automated pick-and-place assembly processes where continuous tape feeding is standard.

Both parts maintain identical thermal performance across the -40°C to 125°C operating range and carry the same moisture sensitivity rating (MSL 1, Unlimited), ensuring equivalent reliability in all environmental conditions.

Frequently Asked Questions (FAQ)

Q: Can LM20125MHX/NOPB be used as a direct replacement for LM20125MH/NOPB in circuit design?

A: Yes. Both parts are electrically and mechanically identical. The only difference is packaging format (Tube vs. Tape & Reel). No circuit modifications or design changes are required.

Q: What is the difference between Tube and Tape & Reel packaging?

A: Tube packaging supplies individual components in a plastic tube, typically used for manual assembly or low-volume orders. Tape & Reel packaging places components on a continuous carrier tape wound on a reel, designed for automated assembly equipment. Both formats contain the same component with identical specifications.

Q: Are there any thermal or reliability differences between these two part numbers?

A: No. Both parts operate across -40°C to 125°C and carry identical moisture sensitivity ratings (MSL 1, Unlimited). Thermal performance and reliability are equivalent.

Q: Which part should I specify for high-volume production?

A: LM20125MHX/NOPB (Tape & Reel) is the standard choice for high-volume manufacturing due to compatibility with automated assembly lines. LM20125MH/NOPB (Tube) is typically reserved for lower-volume or prototype applications.

Q: Do both parts meet the same regulatory and compliance standards?

A: Yes. Both are ROHS3 compliant, REACH Unaffected, and classified as EAR99 for export control purposes. Compliance certifications are identical.

Q: Can I mix these part numbers in the same production batch?

A: Yes, from an electrical and functional standpoint. However, assembly process compatibility should be verified with your manufacturing partner, as Tube and Tape & Reel formats require different handling equipment.

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