FAN5236MTC

Special Purpose Regulators Overview

The FAN5236MTC is a dual switching controller designed for mobile-friendly DDR and dual-output PWM applications. It operates with a maximum switching frequency of 345 kHz. The device is housed in a PDSO28 package, specifically identified as MO-153-AB or TSSOP-28. It supports current-mode control architecture for efficient power management.

Special Purpose Regulators Feature Summary

• Dual-channel architecture supporting DDR memory and general-purpose PWM loads
• Current-mode control topology for enhanced transient response
• Mobile-optimized design for low-power efficiency

Special Purpose Regulators Applications

• DDR memory power supply systems
• Dual-output DC/DC converters
• Portable electronic devices requiring compact power solutions

Special Purpose Regulators Procurement Notes

Verify the specific suffix (e.g., X, NL) to confirm lead-free status and tape-and-reel packaging configuration. Ensure compatibility with the target PCB footprint for the TSSOP-28 package. Confirm manufacturer lineage between Fairchild and ON Semiconductor for documentation consistency.

Special Purpose Regulators Selection Notes

Select this component for designs requiring two independent regulated outputs from a single controller IC. The current-mode operation simplifies compensation network design compared to voltage-mode alternatives. Verify input voltage ranges match the system requirements before integration.

Special Purpose Regulators Part Context

Originally manufactured by Fairchild Semiconductor, this part is now under the ON Semiconductor portfolio following corporate acquisition. The FAN5236 series serves as a legacy solution for mobile DDR power sequencing, often replaced by newer integrated power management ICs in modern designs.

Special Purpose Regulators Replacement Considerations

Public confirmed substitute part numbers include ISL6225 and ISL6227 from Intersil Corporation, which offer similar dual-output PWM capabilities with DDR options.