LM2936MM-3.0 Equivalent & Substitute Parts

Part Overview

The LM2936MM-3.0 is a linear voltage regulator IC from Texas Instruments, classified as a Power Management (PMIC) component. It delivers a fixed positive 3V output at 50mA with a maximum dropout voltage of 0.4V. The device integrates protection features including over-temperature, reverse polarity, and short-circuit protection, operating across the industrial temperature range of -40°C to 125°C.

The LM2936MM-3.0 is currently marked as obsolete. Identifying equivalent and substitute parts is necessary to ensure design continuity, maintain supply chain reliability, and support ongoing production or maintenance requirements for systems utilizing this regulator.

Substiute Parts

LM2936MM-3.0
Texas InstrumentsIn Stock: 4873LM2936MM-3.0 Datasheet
LM2936MM-3.0
Current Part
LM2936MM-3.0/NOPB
Texas InstrumentsIn Stock: 3353LM2936MM-3.0/NOPB Datasheet
LM2936MM-3.0/NOPB
Parametric Equivalent
LM2936QMM-3.0/NOPB
Texas InstrumentsIn Stock: 1001LM2936QMM-3.0/NOPB Datasheet
LM2936QMM-3.0/NOPB
Parametric Equivalent

Key Parameters

Parameter Value
Output Voltage (Fixed) 3V
Output Current 50mA
Input Voltage (Max) 40V
Dropout Voltage (Max) 0.4V @ 50mA
Quiescent Current 15 µA
PSRR 60dB (120Hz)
Operating Temperature -40°C ~ 125°C (TJ)
Package 8-VSSOP (0.118", 3.00mm Width)
Protection Features Over Temperature, Reverse Polarity, Short Circuit

Substitute Part Grouping Explanation

Substitute parts for the LM2936MM-3.0 are identified based on strict electrical and mechanical parameter matching:

Electrical Equivalence Criteria:

  • Fixed positive output voltage: 3V
  • Output current capability: 50mA
  • Maximum input voltage: 40V
  • Dropout voltage: 0.4V @ 50mA
  • Quiescent current: 15 µA
  • PSRR: 60dB (120Hz)
  • Operating temperature range: -40°C ~ 125°C
  • Protection features: Over Temperature, Reverse Polarity, Short Circuit

Mechanical Equivalence Criteria:

  • Package type: 8-VSSOP
  • Package dimensions: 0.118", 3.00mm Width
  • Mounting type: Surface Mount

All substitute parts listed maintain identical electrical performance and mechanical compatibility with the original LM2936MM-3.0, ensuring direct replacement capability in existing designs.

Parameter Comparison

Parameter LM2936MM-3.0 LM2936MM-3.0/NOPB LM2936QMM-3.0/NOPB
Manufacturer Texas Instruments Texas Instruments Texas Instruments
Output Voltage 3V 3V 3V
Output Current 50mA 50mA 50mA
Input Voltage (Max) 40V 40V 40V
Dropout Voltage (Max) 0.4V @ 50mA 0.4V @ 50mA 0.4V @ 50mA
Quiescent Current 15 µA 15 µA 15 µA
PSRR 60dB (120Hz) 60dB (120Hz) 60dB (120Hz)
Operating Temperature -40°C ~ 125°C -40°C ~ 125°C -40°C ~ 125°C
Package 8-VSSOP 8-VSSOP 8-VSSOP
Mounting Type Surface Mount Surface Mount Surface Mount
Product Status Obsolete Active Active
RoHS Status RoHS non-compliant ROHS3 Compliant ROHS3 Compliant
Qualification Standard Standard AEC-Q100 Automotive

Engineering Selection Recommendations

LM2936MM-3.0/NOPB is the direct parametric equivalent with active product status and ROHS3 compliance. This part is suitable for applications requiring RoHS compliance and standard industrial qualification. Current inventory availability is 3265 pieces.

LM2936QMM-3.0/NOPB provides identical electrical and mechanical specifications with additional automotive-grade qualification (AEC-Q100) and ROHS3 compliance. This variant is appropriate for automotive applications or systems requiring automotive-level reliability standards. Current inventory availability is 893 pieces.

Both substitute parts maintain full electrical and mechanical compatibility with the obsolete LM2936MM-3.0, enabling direct replacement in existing designs without circuit modification.

Frequently Asked Questions (FAQ)

Q: Can LM2936MM-3.0/NOPB directly replace the obsolete LM2936MM-3.0?

A: Yes. Both parts share identical electrical specifications (3V output, 50mA current, 0.4V dropout voltage, 60dB PSRR) and mechanical packaging (8-VSSOP, 3.00mm width). The primary difference is product status (active vs. obsolete) and RoHS compliance (ROHS3 vs. non-compliant).

Q: What is the difference between LM2936MM-3.0/NOPB and LM2936QMM-3.0/NOPB?

A: Both parts are electrically and mechanically identical. The LM2936QMM-3.0/NOPB carries AEC-Q100 automotive qualification, making it suitable for automotive applications. The LM2936MM-3.0/NOPB is qualified for standard industrial use. Both are ROHS3 compliant.

Q: Are the package dimensions identical across all three parts?

A: Yes. All three parts use the 8-VSSOP package with dimensions of 0.118" × 3.00mm width, ensuring mechanical compatibility and identical PCB footprints.

Q: Which substitute part should be selected for new designs?

A: For standard industrial applications, LM2936MM-3.0/NOPB is recommended due to active status and ROHS3 compliance. For automotive applications, LM2936QMM-3.0/NOPB is required due to AEC-Q100 qualification.

Q: Do the substitute parts have the same protection features?

A: Yes. All three parts include over-temperature, reverse polarity, and short-circuit protection, with identical operating temperature range of -40°C to 125°C.

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