LM2717MT Equivalent & Substitute Parts

Part Overview

The LM2717MT is a buck switching regulator IC manufactured by Texas Instruments, designed for positive fixed 3.3V output applications. This device integrates dual output capability with 2.2A and 3.2A current ratings in a 24-TSSOP surface mount package. The LM2717MT is classified as obsolete, making identification of suitable substitute components essential for ongoing production, maintenance, and design continuity in applications requiring step-down voltage regulation.

Substiute Parts

LM2717MT

Texas InstrumentsIn Stock: 1489LM2717MT Datasheet

Current PartRFQ

LM2717MT/NOPB

Texas InstrumentsIn Stock: 1479LM2717MT/NOPB Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the LM2717MT is determined by strict equivalence across the following critical parameters:

• Topology & Function: Buck (step-down) switching regulator topology
• Output Configuration: Positive fixed 3.3V output
• Number of Outputs: Dual output configuration
• Current Ratings: 2.2A and 3.2A output capability
• Input Voltage Range: 4V to 20V operation
• Switching Frequency: 300kHz to 600kHz range
• Package: 24-TSSOP surface mount form factor
• Temperature Range: -40°C to 125°C junction temperature rating

The LM2717MT/NOPB qualifies as a direct substitute based on identical electrical specifications and package configuration. The primary distinction is product status and compliance certification.

Parameter Comparison

Engineering Selection Recommendations

The LM2717MT/NOPB serves as the direct substitute for the obsolete LM2717MT. Both devices share identical electrical specifications, output characteristics, and package configuration. The LM2717MT/NOPB is classified as active product status, ensuring continued availability and supply chain reliability.

The LM2717MT/NOPB achieves ROHS3 compliance, whereas the original LM2717MT is RoHS non-compliant. For applications subject to RoHS regulatory requirements or environmental compliance mandates, the LM2717MT/NOPB is the appropriate selection. Both devices maintain equivalent moisture sensitivity levels and REACH status.

Frequently Asked Questions (FAQ)

Q: Can the LM2717MT/NOPB directly replace the LM2717MT in existing designs?

A: Yes. The LM2717MT/NOPB is electrically and mechanically identical to the LM2717MT. Pin configuration, output voltage, current ratings, input voltage range, switching frequency, and package dimensions are equivalent. Direct PCB substitution is supported without design modification.

Q: What is the significance of the "/NOPB" suffix in the LM2717MT/NOPB part number?

A: The "/NOPB" designation indicates lead-free (Pb-free) manufacturing and RoHS3 compliance. This suffix distinguishes the part from legacy versions and confirms adherence to environmental and regulatory standards.

Q: Are there differences in thermal performance between the LM2717MT and LM2717MT/NOPB?

A: No. Both devices operate across the identical temperature range of -40°C to 125°C junction temperature. Thermal characteristics and performance are equivalent.

Q: What packaging format is supplied for the LM2717MT/NOPB?

A: The LM2717MT/NOPB is supplied in Tube packaging, whereas the original LM2717MT packaging format is not specified. Both use the 24-TSSOP surface mount package form factor.

Q: Is the LM2717MT/NOPB suitable for new product designs?

A: Yes. The LM2717MT/NOPB is classified as active product status, making it appropriate for new designs, production ramps, and long-term supply chain planning. The original LM2717MT is obsolete and should not be selected for new applications.