LM9036M-3.3 Linear Voltage Regulator Equivalent & Substitute Parts

Part Overview

The LM9036M-3.3 is a linear voltage regulator IC from Texas Instruments designed for positive fixed 3.3V output applications with 50mA current capacity in an 8-SOIC surface mount package. This part is classified as obsolete, making equivalent and substitute parts necessary for new designs and ongoing production requirements. The LM9036M-3.3 provides regulated power management with integrated protection features including over-temperature, reverse polarity, and short circuit protection.

Substiute Parts

LM9036M-3.3

Texas InstrumentsIn Stock: 4022LM9036M-3.3 Datasheet

Current PartRFQ

LM9036M-3.3/NOPB

Texas InstrumentsIn Stock: 1648LM9036M-3.3/NOPB Datasheet

DirectRFQ

LM9036QM-3.3/NOPB

Texas InstrumentsIn Stock: 10462LM9036QM-3.3/NOPB Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the LM9036M-3.3 are qualified based on matching the following critical electrical and mechanical parameters:

• Output voltage: 3.3V fixed
• Output current capacity: 50mA
• Maximum input voltage: 40V
• Voltage dropout: 0.40V @ 50mA
• Quiescent current: 20 µA
• PSRR: 60dB (120Hz)
• Package type: 8-SOIC with identical physical dimensions (0.154", 3.90mm Width)
• Operating temperature range: -40°C ~ 125°C
• Protection features: Over Temperature, Reverse Polarity, Short Circuit

Two substitute parts meet these criteria and are available from Texas Instruments.

Parameter Comparison

Engineering Selection Recommendations

For new designs and production applications, LM9036M-3.3/NOPB is the direct substitute. This part maintains identical electrical and mechanical specifications while offering active product status and ROHS3 compliance, addressing the obsolescence of the original LM9036M-3.3.

LM9036QM-3.3/NOPB serves as a parametric equivalent with automotive-grade qualification (AEC-Q100). This variant is suitable for applications requiring automotive-level reliability and compliance standards while maintaining all core electrical parameters and package compatibility.

Both substitute parts are available in active production status, ensuring long-term supply chain viability compared to the obsolete original part.

Frequently Asked Questions (FAQ)

Q: Can LM9036M-3.3/NOPB be used as a direct replacement for LM9036M-3.3?

A: Yes. LM9036M-3.3/NOPB is a direct substitute with identical electrical specifications, output voltage, current capacity, dropout voltage, and 8-SOIC package dimensions. The primary differences are active product status and ROHS3 compliance.

Q: What is the difference between LM9036M-3.3/NOPB and LM9036QM-3.3/NOPB?

A: Both parts share identical core electrical parameters and package specifications. LM9036QM-3.3/NOPB includes automotive-grade qualification (AEC-Q100) and is designated for automotive applications. Selection depends on application requirements and compliance standards.

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

A: Yes. All three parts use the 8-SOIC package with 0.154" width and 3.90mm physical dimensions, ensuring PCB layout and footprint compatibility.

Q: Why is the original LM9036M-3.3 marked as obsolete?

A: Product obsolescence is determined by the manufacturer. Active substitutes LM9036M-3.3/NOPB and LM9036QM-3.3/NOPB are available to support continued production and new designs.

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

A: Yes. Both substitute parts include over-temperature, reverse polarity, and short circuit protection identical to the original part.

Q: What compliance standards apply to each part?

A: LM9036M-3.3 is RoHS non-compliant. Both LM9036M-3.3/NOPB and LM9036QM-3.3/NOPB are ROHS3 compliant. LM9036QM-3.3/NOPB additionally carries AEC-Q100 automotive qualification.