AP3843CP-E1

Overview

The AP3843CP-E1 is a switching regulator manufactured by Diodes Incorporated, classified under PMIC - Power Management ICs. It operates as a current-mode controller utilizing pulse width modulation technology. The device supports an input voltage range from 12 V to 25 V, with a nominal input of 15 V. It delivers a maximum output current of 1 A and functions at a maximum switching frequency of 500 kHz. The component is housed in an 8-pin PDIP package and is rated for operation between -40 °C and 85 °C.

Feature Summary

• Current-mode control architecture for stable regulation
• Integrated pulse width modulation technique
• Supports wide input voltage ranges up to 25 V

Applications

• General purpose DC-DC conversion circuits
• Industrial power supply designs
• Embedded system voltage regulation

Procurement Notes

Verify the specific suffix E1 against official Diodes Incorporated documentation to confirm compliance status and assembly site details. Ensure the PDIP-8 package matches the target PCB footprint. Cross-reference the RoHS certification status directly with the manufacturer's latest datasheet or product change notices to avoid discrepancies.

Selection Notes

Select this component when a current-mode controlled switching regulator is required for applications demanding up to 1 A output current. The 500 kHz switching frequency allows for compact passive component sizing. Verify that the 12 V to 25 V input range aligns with the system's power rail specifications before integration.

Part Context

This part belongs to the AP3843 series of switching controllers produced by Diodes Incorporated. It serves as a power management integrated circuit designed for efficient voltage conversion. The series typically includes variants with different packaging options, such as SOIC-8, while maintaining similar core electrical characteristics and control methodologies.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material.