AP65211AWU-7 Equivalent & Substitute Parts

Part Overview

The AP65211AWU-7 is a buck switching regulator IC from Diodes Incorporated designed for step-down voltage conversion applications. It delivers positive adjustable output from 0.8V to 6V at up to 2A output current, with input voltage range of 4.7V to 18V. The device features synchronous rectification and operates across the industrial temperature range of -40°C to 85°C in a compact SOT-23-6 surface mount package.

This part is currently listed 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

AP65211AWU-7

Diodes IncorporatedIn Stock: 90492AP65211AWU-7 Datasheet

Current PartRFQ

AP62200WU-7

Diodes IncorporatedIn Stock: 150368AP62200WU-7 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

The AP62200WU-7 qualifies as a direct substitute for the AP65211AWU-7 based on the following substitution criteria:

Matching Parameters:

• Same manufacturer (Diodes Incorporated)
• Identical function (step-down buck regulator)
• Identical output configuration (positive adjustable)
• Identical output minimum voltage (0.8V)
• Identical current rating (2A)
• Identical synchronous rectifier feature
• Identical operating temperature range (-40°C to 85°C)
• Identical package type (SOT-23-6 Thin, TSOT-23-6)
• Identical RoHS and MSL compliance

Allowable Parameter Variations:

• Input voltage minimum: 4.2V (substitute) vs. 4.7V (main part) — substitute accepts lower minimum input
• Input voltage maximum: 18V (both parts) — identical
• Output voltage maximum: 7V (substitute) vs. 6V (main part) — substitute provides higher maximum output capability
• Switching frequency: 740kHz (substitute) vs. up to 500kHz (main part) — substitute operates at higher fixed frequency

These variations represent functional improvements or expanded operating ranges that maintain backward compatibility with designs specified for the AP65211AWU-7.

Parameter Comparison

Engineering Selection Recommendations

The AP62200WU-7 is the direct substitute for the obsolete AP65211AWU-7. Selection of the AP62200WU-7 is supported by:

• Product Status: The AP62200WU-7 maintains active production status, ensuring long-term availability and supply chain continuity compared to the obsolete AP65211AWU-7.

• Regulatory Compliance: Both parts maintain identical ROHS3 compliance, REACH unaffected status, and EAR99 ECCN classification, ensuring no regulatory barriers to substitution.

• Moisture Sensitivity: Both parts carry MSL 1 (Unlimited) rating, indicating no moisture-related handling restrictions.

• Functional Compatibility: The AP62200WU-7 meets or exceeds all electrical specifications of the AP65211AWU-7 within the same physical package, enabling direct PCB-level replacement without layout modifications.

Frequently Asked Questions (FAQ)

Q: Can the AP62200WU-7 be used as a direct replacement for the AP65211AWU-7 on existing PCBs?

A: Yes. Both parts use identical SOT-23-6 Thin (TSOT-23-6) packaging with the same pinout and footprint, enabling direct PCB-level substitution without layout changes.

Q: What are the key electrical differences between these parts?

A: The AP62200WU-7 provides a lower minimum input voltage (4.2V vs. 4.7V), higher maximum output voltage (7V vs. 6V), and operates at a fixed switching frequency of 740kHz compared to the AP65211AWU-7's up to 500kHz. These represent functional improvements that maintain backward compatibility.

Q: Are there any compliance or certification concerns with substitution?

A: No. Both parts carry identical RoHS3 compliance, REACH unaffected status, MSL 1 rating, and EAR99 ECCN classification. No regulatory or certification barriers exist for substitution.

Q: Why is the AP65211AWU-7 listed as obsolete?

A: The AP65211AWU-7 has been discontinued by Diodes Incorporated. The AP62200WU-7 represents the active production equivalent that supersedes it.

Q: Will the higher switching frequency of the AP62200WU-7 affect circuit performance?

A: The AP62200WU-7 operates at 740kHz fixed frequency versus the AP65211AWU-7's up to 500kHz. Higher switching frequency typically results in smaller output filter components and improved transient response. Existing filter designs for the AP65211AWU-7 remain compatible with the AP62200WU-7.

Q: Are there inventory considerations for this substitution?

A: The AP62200WU-7 is in active production with substantial inventory availability. The AP65211AWU-7 is obsolete with limited remaining stock. Transition to the AP62200WU-7 is recommended for new designs and ongoing production requirements.