LM5020MMX-2 Equivalent & Substitute Parts

Part Overview

The LM5020MMX-2 is a Flyback Regulator Positive Output Step-Up/Step-Down DC-DC Controller IC manufactured by Texas Instruments. This device functions as a transistor driver for single-output flyback topologies with integrated frequency control and soft start features. The LM5020MMX-2 is classified as obsolete, necessitating identification of active equivalent parts for new designs and ongoing production requirements. Substitute parts must maintain identical electrical specifications and mechanical compatibility while offering active product status and improved compliance certifications.

Substiute Parts

LM5020MMX-2
Texas InstrumentsIn Stock: 2361LM5020MMX-2 Datasheet
LM5020MMX-2
Current Part
LM5020MM-2/NOPB
Texas InstrumentsIn Stock: 18673LM5020MM-2/NOPB Datasheet
LM5020MM-2/NOPB
Parametric Equivalent
LM5020MMX-2/NOPB
Texas InstrumentsIn Stock: 9544LM5020MMX-2/NOPB Datasheet
LM5020MMX-2/NOPB
Parametric Equivalent

Key Parameters

Parameter Specification
Topology Flyback
Output Type Transistor Driver
Function Step-Up/Step-Down
Output Configuration Positive
Number of Outputs 1
Voltage - Supply (Vcc/Vdd) 8V ~ 15V
Frequency - Switching 200kHz ~ 630kHz
Duty Cycle (Max) 50%
Control Features Frequency Control, Soft Start
Operating Temperature -40°C ~ 125°C (TJ)
Package / Case 10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
Mounting Type Surface Mount
Synchronous Rectifier No
Clock Sync Yes

Substitute Part Grouping Explanation

Substitute parts for the LM5020MMX-2 are identified based on strict parametric equivalence across all critical electrical and mechanical specifications. The substitution criteria are:

  • Identical topology (Flyback)
  • Identical output type (Transistor Driver)
  • Identical function (Step-Up/Step-Down)
  • Identical output configuration (Positive)
  • Identical number of outputs (1)
  • Identical supply voltage range (8V ~ 15V)
  • Identical switching frequency range (200kHz ~ 630kHz)
  • Identical duty cycle maximum (50%)
  • Identical control features (Frequency Control, Soft Start)
  • Identical operating temperature range (-40°C ~ 125°C)
  • Identical package type (10-TFSOP, 10-MSOP)
  • Identical mounting type (Surface Mount)
  • Identical synchronous rectifier status (No)
  • Identical clock sync capability (Yes)

All identified substitutes maintain these parameters without deviation. Packaging format differences (Tape & Reel vs. Cut Tape & Digi-Reel) do not affect electrical or mechanical compatibility.

Parameter Comparison

Parameter LM5020MMX-2 LM5020MM-2/NOPB LM5020MMX-2/NOPB
Manufacturer Texas Instruments Texas Instruments Texas Instruments
Category Power Management (PMIC) Power Management (PMIC) Power Management (PMIC)
Description IC REG CTRLR FLYBACK 10MSOP IC REG CTRLR FLYBACK 10MSOP IC REG CTRLR FLYBACK 10MSOP
Topology Flyback Flyback Flyback
Output Type Transistor Driver Transistor Driver Transistor Driver
Function Step-Up/Step-Down Step-Up/Step-Down Step-Up/Step-Down
Output Configuration Positive Positive Positive
Number of Outputs 1 1 1
Voltage - Supply (Vcc/Vdd) 8V ~ 15V 8V ~ 15V 8V ~ 15V
Frequency - Switching 200kHz ~ 630kHz 200kHz ~ 630kHz 200kHz ~ 630kHz
Duty Cycle (Max) 50% 50% 50%
Control Features Frequency Control, Soft Start Frequency Control, Soft Start Frequency Control, Soft Start
Operating Temperature -40°C ~ 125°C (TJ) -40°C ~ 125°C (TJ) -40°C ~ 125°C (TJ)
Package / Case 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) 10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
Mounting Type Surface Mount Surface Mount Surface Mount
Synchronous Rectifier No No No
Clock Sync Yes Yes Yes
Product Status Obsolete Active Active
RoHS Status RoHS non-compliant ROHS3 Compliant ROHS3 Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited) 1 (Unlimited) 1 (Unlimited)
REACH Status REACH Unaffected REACH Unaffected REACH Unaffected
Packaging Format Not specified Tape & Reel (TR) Cut Tape (CT) & Digi-Reel®
Inventory Status 2346 Pcs New Original In Stock 18612 Pcs New Original In Stock 9468 Pcs New Original In Stock

Engineering Selection Recommendations

Both LM5020MM-2/NOPB and LM5020MMX-2/NOPB are direct parametric equivalents to the LM5020MMX-2. Selection between substitutes is determined by product status and compliance requirements:

The LM5020MMX-2 is obsolete and RoHS non-compliant. Both substitute parts are active products with ROHS3 compliance certification, making them suitable for new designs and applications requiring regulatory compliance.

LM5020MM-2/NOPB is supplied in Tape & Reel (TR) packaging format, appropriate for high-volume production environments.

LM5020MMX-2/NOPB is supplied in Cut Tape (CT) & Digi-Reel® packaging format, suitable for mixed-volume or lower-volume production requirements.

Both substitutes maintain identical electrical performance, thermal characteristics, and mechanical compatibility with the original LM5020MMX-2 design. Selection between packaging formats depends on production volume and supply chain requirements.

Frequently Asked Questions (FAQ)

Q: Can LM5020MM-2/NOPB and LM5020MMX-2/NOPB be used interchangeably with LM5020MMX-2?

A: Yes. Both parts are parametric equivalents with identical electrical specifications, operating ranges, and package dimensions. The primary differences are product status (active vs. obsolete) and RoHS compliance certification.

Q: What is the difference between Tape & Reel and Cut Tape & Digi-Reel packaging?

A: Tape & Reel (TR) packaging is standard for high-volume automated assembly. Cut Tape (CT) & Digi-Reel® packaging provides flexibility for lower-volume or mixed-volume production. Both formats contain identical components with no electrical or mechanical differences.

Q: Why is the LM5020MMX-2 obsolete?

A: The LM5020MMX-2 is classified as obsolete by the manufacturer. Active equivalent parts (LM5020MM-2/NOPB and LM5020MMX-2/NOPB) are available for new designs and production.

Q: Are there compliance differences between the original and substitute parts?

A: Yes. The LM5020MMX-2 is RoHS non-compliant. Both substitute parts (LM5020MM-2/NOPB and LM5020MMX-2/NOPB) are ROHS3 compliant, meeting current regulatory requirements for electronic components.

Q: Do the substitute parts require PCB layout modifications?

A: No. All parts use identical package types (10-TFSOP, 10-MSOP) with matching pin configurations and mechanical dimensions. PCB layouts designed for LM5020MMX-2 are directly compatible with both substitute parts.

Q: What is the Moisture Sensitivity Level (MSL) for these parts?

A: All parts, including the original and substitutes, have MSL 1 (Unlimited), indicating no moisture sensitivity restrictions during storage or handling.

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