AP64351SP-13

Overview

The AP64351SP-13 is a synchronous step-down DC-DC converter manufactured by Diodes Incorporated. It operates with an input voltage range of 3.8 V to 40 V and delivers up to 3.5 A of output current. The device features a fixed switching frequency of 570 kHz and supports a maximum output voltage of 40 V. It includes integrated shutdown functionality and maintains a low quiescent current of 22 uA. The component is housed in an SO-EP-8 package and is rated for operation between -40°C and +150°C.

Feature Summary

• Synchronous buck topology for high efficiency
• Integrated shutdown control pin
• Low quiescent current operation
• Extended temperature rating

Applications

• Automotive infotainment systems
• Telematics control units
• Body electronics modules
• Industrial power distribution

Procurement Notes

Verify the specific suffix against official Diodes Incorporated documentation to confirm exact thermal and electrical specifications. Ensure the selected variant matches the required operating temperature range and package type for the target application. Cross-reference datasheet parameters with system requirements before finalizing procurement decisions.

Selection Notes

Select this component when a fixed 570 kHz switching frequency is required for EMI management. Choose the SP-13 variant for standard commercial or industrial applications where the specific thermal characteristics align with the design constraints. Compare against adjustable frequency models if dynamic frequency scaling is necessary for the system.

Part Context

This part belongs to the AP6435x series of high-voltage synchronous buck converters from Diodes Incorporated. The series provides robust power management solutions for automotive and industrial environments. The AP64351SP-13 specifically offers a fixed frequency option, distinguishing it from programmable frequency variants within the same family.

Replacement Considerations

AP64351QSP-13