NB650GL-Z Equivalent & Substitute Parts

Part Overview

The NB650GL-Z is an active buck switching regulator IC from Monolithic Power Systems designed for step-down voltage conversion applications. This positive adjustable output PMIC delivers 6A continuous current with an input voltage range of 4.5V to 22.5V and adjustable output from 0.6V to 13V. The device operates across industrial temperature ranges (-40°C to 125°C) and integrates synchronous rectification for improved efficiency. Finding equivalent substitute parts ensures design flexibility, supply chain continuity, and access to alternative packaging or inventory options while maintaining identical electrical and mechanical performance.

Substiute Parts

NB650GL-Z

Monolithic Power SystemsIn Stock: 28871NB650GL-Z Datasheet

Current PartRFQ

NB650AGL-Z

Monolithic Power Systems Inc.In Stock: 25470NB650AGL-Z Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the NB650GL-Z is determined by strict equivalence across all critical electrical and mechanical parameters. The substitute part NB650AGL-Z qualifies as a direct equivalent based on the following criteria:

Electrical Parameters (Must Match Exactly):

• Function: Step-Down topology
• Output Configuration: Positive Adjustable
• Number of Outputs: 1
• Input Voltage Range: 4.5V to 22.5V
• Output Voltage Range: 0.6V to 13V
• Output Current: 6A
• Switching Frequency: 150kHz ~ 1MHz
• Synchronous Rectifier: Integrated
• Operating Temperature Range: -40°C to 125°C

Mechanical Parameters (Must Match Exactly):

• Mounting Type: Surface Mount
• Package Type: 17-VFQFN Exposed Pad
• Device Package: 17-QFN (3x4)

Compliance & Certification (Must Match Exactly):

• RoHS Status: ROHS3 Compliant
• Moisture Sensitivity Level: 1 (Unlimited)
• REACH Status: REACH Unaffected
• ECCN: EAR99

The substitute part differs only in packaging format (Cut Tape vs. standard packaging) and inventory source, with no impact on electrical performance or mechanical compatibility.

Parameter Comparison

Engineering Selection Recommendations

Both the NB650GL-Z and NB650AGL-Z are active products from Monolithic Power Systems with identical electrical specifications and mechanical compatibility. Selection between these parts should be based on:

Product Status: Both parts maintain active status, ensuring continued manufacturer support and availability.

Compliance Certifications: Both parts carry ROHS3 compliance, REACH unaffected status, and EAR99 export classification, meeting regulatory requirements for industrial and commercial applications.

Packaging Consideration: The NB650AGL-Z is supplied in Cut Tape (CT) format, which may influence procurement workflows and handling procedures compared to standard packaging. This difference does not affect electrical performance or PCB assembly compatibility.

Inventory Availability: Selection may be influenced by stock levels and lead times from authorized distributors, as both parts are available in quantity.

Frequently Asked Questions (FAQ)

Q: Can NB650AGL-Z be used as a direct replacement for NB650GL-Z?

A: Yes. The NB650AGL-Z is electrically and mechanically identical to the NB650GL-Z across all specified parameters including input/output voltage ranges, output current, switching frequency, temperature rating, and package type. The parts are interchangeable in circuit design and PCB layout.

Q: What is the difference between NB650GL-Z and NB650AGL-Z?

A: The primary difference is packaging format. The NB650AGL-Z is supplied in Cut Tape (CT) format, while the NB650GL-Z uses standard packaging. Both parts are identical in electrical performance, thermal characteristics, and physical dimensions (17-QFN 3x4 package).

Q: Are both parts suitable for industrial temperature applications?

A: Yes. Both the NB650GL-Z and NB650AGL-Z operate across the full industrial temperature range of -40°C to 125°C junction temperature, making them suitable for harsh environment applications.

Q: Do both parts support adjustable output voltage?

A: Yes. Both parts feature adjustable positive output voltage from 0.6V to 13V, allowing flexible voltage regulation for diverse load requirements.

Q: Are there any compliance differences between these parts?

A: No. Both parts carry identical compliance certifications: ROHS3 compliant, REACH unaffected, and EAR99 export classification.

Q: What is the significance of the 17-VFQFN Exposed Pad package?

A: The 17-VFQFN Exposed Pad package is a 17-pin Very Fine Pitch Quad Flat No-Lead package with an exposed thermal pad for enhanced heat dissipation. This package type is standard for both parts and ensures consistent thermal performance in high-current buck regulator applications.