AP3983CP7-G1

Overview

The AP3983CP7-G1 is a non-isolated AC/DC power switcher from Diodes Incorporated, designed for 10W adapter applications. It operates in Through-Hole 7-PDIP packaging with an internal Si switch rated at 650V breakdown voltage. The device utilizes piecewise Pulse Frequency Modulation (P-PFM) technology to regulate primary voltage and current within ±5% accuracy. Key electrical parameters include a switching frequency of 65kHz to 80kHz, a maximum input supply voltage of 25V, and a startup voltage of 15.5V. It supports an output current of 2A and maintains operation across a temperature range of -40°C to +150°C TJ.

Feature Summary

• Implements piecewise Pulse Frequency Modulation (P-PFM) technology for precise regulation of primary voltage and current without secondary side feedback components.
• Integrates comprehensive fault protection mechanisms including over-temperature, over-voltage, and short-circuit protection to ensure system reliability.
• Designed as a high-frequency power switcher to facilitate compact designs while meeting stringent energy efficiency standards such as Energy Star Level 6.

Applications

• Charger power supplies
• ADSL adapter power circuits
• Home appliance power adapters

Procurement Notes

Verify component status carefully as the AP3983CP7-G1 is listed as End-of-Life (EOL) by Diodes Incorporated. Confirm availability through authorized distributors or check for active replacement series like the AP3983EP7-G1. Ensure compliance with RoHS3 and REACH regulations if required for your specific manufacturing region. Validate that the 7-PDIP package matches your PCB footprint requirements before finalizing procurement decisions.

Selection Notes

Select this component for low-power offline flyback converter designs requiring high efficiency and minimal external component count. The integrated 650V switch eliminates the need for external MOSFETs, simplifying thermal management. Consider the 7-PDIP package constraint for through-hole assembly processes. Evaluate the 10W power limit against your load requirements to ensure adequate headroom under maximum operating temperatures.

Part Context

This part belongs to the AP3983 series of power switchers from Diodes Incorporated. The series includes variants such as AP3983EP7-G1 for higher power open-frame applications and surface-mount options like AP3983RMTR-G1. These devices share common P-PFM control architecture but differ in packaging and specific power ratings to suit diverse adapter form factors.

Replacement Considerations

Check for AP3983EP7-G1 for similar functionality in different power ranges. Verify pinout compatibility with existing designs when substituting. Consult Diodes Incorporated PCN documents for any material or process changes affecting legacy stock.

FAQ

What modulation technique does the AP3983CP7-G1 use?

It uses piecewise Pulse Frequency Modulation (P-PFM) technology to regulate primary voltage and current.

Is the AP3983CP7-G1 currently in production?

No, the component is listed as End-of-Life (EOL) and discontinued by the manufacturer.