ISL6723AABZ Equivalent & Substitute Parts

Part Overview

The ISL6723AABZ is a boost and flyback regulator controller IC manufactured by Renesas Electronics Corporation, designed for step-up and step-up/step-down DC-DC conversion applications with positive, isolation-capable output configurations. This device operates as a transistor driver with integrated current limit, frequency control, and soft start features.

The ISL6723AABZ is classified as obsolete. Identifying equivalent substitute parts is necessary to ensure design continuity, maintain supply chain reliability, and support long-term product availability for applications currently utilizing this controller.

Substiute Parts

ISL6723AABZ

Renesas Electronics CorporationIn Stock: 722ISL6723AABZ Datasheet

Current PartRFQ

ISL6722AABZ

Renesas Electronics CorporationIn Stock: 2294ISL6722AABZ Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the ISL6723AABZ is determined by strict equivalence across the following critical parameters:

• Topology & Function: Boost and flyback regulator controller with step-up and step-up/step-down capability
• Output Configuration: Positive, isolation-capable output
• Electrical Specifications: Supply voltage range 9V ~ 18V, switching frequency up to 1MHz, maximum duty cycle 75%
• Control Features: Current limit, frequency control, and soft start functionality
• Package: 16-SOIC surface mount package with identical pinout and mechanical dimensions
• Operating Temperature Range: -40°C ~ 105°C
• Compliance: ROHS3 compliant, MSL 3 rating

The ISL6722AABZ meets all these criteria and is classified as an active product, making it a direct parametric equivalent suitable for replacement applications.

Parameter Comparison

Engineering Selection Recommendations

The ISL6722AABZ is the direct substitute for the obsolete ISL6723AABZ. Both devices share identical electrical specifications, control features, package configuration, and compliance certifications. The ISL6722AABZ is currently in active production status, ensuring long-term availability and supply chain continuity.

Selection of the ISL6722AABZ eliminates obsolescence risk while maintaining full functional and mechanical compatibility with existing designs. Both parts are ROHS3 compliant and carry identical moisture sensitivity ratings, supporting equivalent handling and storage requirements.

Frequently Asked Questions (FAQ)

Q: Can the ISL6722AABZ directly replace the ISL6723AABZ in existing designs?

A: Yes. The ISL6722AABZ is a direct parametric equivalent with identical electrical specifications, control features, package dimensions, and pinout. No circuit modifications are required.

Q: What is the primary advantage of switching to the ISL6722AABZ?

A: The ISL6722AABZ is in active production status, whereas the ISL6723AABZ is obsolete. This ensures reliable long-term supply availability and eliminates design obsolescence risk.

Q: Are the package and mounting specifications identical?

A: Yes. Both devices use the 16-SOIC surface mount package with 0.154" width (3.90mm). Mechanical compatibility is complete, and PCB layouts require no modification.

Q: Do both parts meet the same compliance standards?

A: Yes. Both the ISL6723AABZ and ISL6722AABZ are ROHS3 compliant, REACH unaffected, and carry MSL 3 moisture sensitivity ratings with 168-hour exposure limits.

Q: Are there any differences in operating temperature range?

A: No. Both devices operate across the identical temperature range of -40°C to 105°C (TA).

Q: What switching frequency and duty cycle specifications apply to both parts?

A: Both devices support switching frequencies up to 1MHz with a maximum duty cycle of 75%, enabling equivalent boost and flyback converter designs.