ML4800ISX

Overview

The ML4800ISX is a Power Factor Correction (PFC) controller manufactured by onsemi, designed for average current mode operation. It operates within a supply voltage range of 11V to 16.5V and features a fixed switching frequency of 76kHz. The device supports an operating temperature range from -40°C to 85°C and utilizes a 16-pin SOIC surface-mount package. Key electrical parameters include a startup current of 200 µA. This component is classified as discontinued.

Feature Summary

• Implements average current mode control for PFC applications
• Fixed 76kHz switching frequency operation
• Integrated power factor correction controller functionality

Applications

• Power factor correction circuits in AC-DC converters
• Switched-mode power supply designs
• Industrial power management systems

Procurement Notes

This component is officially listed as discontinued by the manufacturer. Availability is limited to existing stock or third-party distributors. Verify end-of-life status and last-time-buy dates with suppliers before integration into new designs. Sourcing may require careful inventory management due to non-production status.

Selection Notes

Select this part only if legacy compatibility or specific 76kHz average current mode requirements are necessary. Consider the discontinued status when planning long-term production runs. Evaluate alternative modern PFC controllers with similar pinouts and electrical characteristics for new product development to ensure supply chain stability.

Part Context

The ML4800 series represents onsemi's portfolio of power factor correction controllers. The ML4800ISX specifically targets average current mode applications requiring fixed-frequency operation. It belongs to a family of PMICs designed for efficient power conversion, though this specific variant is no longer in active production.

Replacement Considerations

ML4824IS1: Similar average current mode PFC controller with comparable 16-SOIC packaging and 76kHz frequency.