FAN5362UC29X

Voltage Regulators - DC DC Switching Regulators Overview

The FAN5362UC29X is a fixed-output synchronous buck regulator manufactured by Fairchild Semiconductor, now part of onsemi. It provides a fixed 2.9 V output with a maximum load current of 500 mA. The device operates from an input voltage range of 2.7 V to 5.5 V and utilizes a 3 MHz switching frequency. Packaged in a compact 6-pin WLCSP format measuring 0.86 x 1.16 mm, it supports surface-mount installation. The component functions within an operating temperature range of -40 °C to +85 °C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates synchronous rectification for improved efficiency in step-down conversion applications.
• Utilizes a small footprint WLCSP package suitable for space-constrained portable designs.
• Features a fixed internal feedback network eliminating the need for external resistors.

Voltage Regulators - DC DC Switching Regulators Applications

• Portable consumer electronics requiring efficient power management
• Battery-powered devices utilizing single-cell lithium-ion or lithium-polymer sources
• Embedded systems needing stable low-voltage regulation

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the manufacturer designation carefully, as Fairchild Semiconductor products are now distributed under the onsemi brand. Confirm the specific suffix 'X' indicates the correct tape-and-reel packaging configuration required for your assembly process. Ensure compatibility with RoHS standards if environmental compliance is mandatory for your project specifications.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 2.9 V rail is required at up to 500 mA from a 2.7–5.5 V source. The 3 MHz frequency allows for smaller passive components compared to lower-frequency alternatives. Consider the WLCSP package constraints regarding thermal dissipation and PCB layout requirements for optimal performance in high-density assemblies.

Voltage Regulators - DC DC Switching Regulators Part Context

This device belongs to the FAN5362 series of synchronous buck regulators. The series offers various fixed output voltages tailored for different logic levels. The FAN5362UC29X specifically targets applications requiring a 2.9 V supply, distinguishing it from other variants like the UC33X (3.3 V) or UC29X equivalents within the same family architecture.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Direct substitutes include other FAN5362 series variants with compatible pinouts but different output voltages, such as FAN5362UC33X. Cross-reference with onsemi documentation to ensure functional equivalence regarding thermal characteristics and switching behavior before replacing.