TN5D51A-R-HCC11-E

Voltage Regulators - DC DC Switching Regulators Overview

The onsemi TN5D51A-R-HCC11-E is a fixed-output buck switching regulator IC designed for efficient step-down voltage conversion. It provides a stable 12V output with a maximum current capacity of 5A. The device operates at a fixed switching frequency of 150 kHz, ensuring consistent performance across various load conditions. It features synchronous rectification to enhance efficiency and reduce external component requirements. The unit is housed in a TO-220FL-5 package, suitable for through-hole mounting applications requiring robust thermal management.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Fixed 12V output voltage regulation
• Synchronous rectification topology
• Through-hole TO-220FL-5 package

Voltage Regulators - DC DC Switching Regulators Applications

• Industrial control systems
• Telecommunications equipment
• Consumer electronics power supplies

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the exact suffix R-HCC11-E against the manufacturer's latest datasheet to confirm pinout and thermal specifications. Ensure the procurement channel provides original manufacturer documentation. Cross-reference the part number with official onsemi databases to avoid counterfeit components. Confirm RoHS compliance status if required by specific regional regulations before finalizing orders.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 12V output is required without external feedback resistors. The synchronous design offers higher efficiency compared to asynchronous alternatives. The TO-220FL package allows for direct heatsinking in high-power density designs. Consider the 150 kHz frequency for balancing EMI performance and passive component size.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the TN5 series of switching regulators from onsemi. These devices are engineered for general-purpose DC-DC conversion tasks. The series emphasizes reliability and ease of integration into standard power supply architectures. The specific model targets applications needing moderate current levels with fixed voltage outputs.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Check for compatible parts within the same TN5 family or similar fixed-buck regulators from other manufacturers. Ensure equivalent output voltage, current rating, and package dimensions. Verify switching frequency compatibility to maintain existing filter component values.