FAN53611UC123X

Voltage Regulators - DC DC Switching Regulators Overview

The FAN53611UC123X is a synchronous buck regulator from onsemi, featuring a fixed output voltage of 1.233 V and a maximum output current of 1 A. It operates with an input voltage range of 2.3 V to 5.5 V and supports switching frequencies of 3 MHz or 6 MHz. The device draws a typical quiescent current of 55 uA and functions within a temperature range of -40°C to +85°C. Packaged in a compact 6-WLCSP (1.23x0.88 mm) format, it integrates PWM control for efficient power management in space-constrained designs.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Synchronous rectification topology for enhanced efficiency
• Fixed-frequency operation at selectable 3 MHz or 6 MHz
• Compact 6-WLCSP package for minimal footprint
• Low quiescent current consumption

Voltage Regulators - DC DC Switching Regulators Applications

• Portable consumer electronics
• Mobile communication devices
• Embedded systems requiring small form factor power solutions

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify component authenticity through authorized channels due to End-of-Life status. Confirm RoHS compliance and MSL rating prior to integration. Check latest PCN documentation for manufacturing changes. Validate supply chain sources against official distributor lists to avoid counterfeit risks during final procurement stages.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this part when a fixed 1.233 V output is required alongside high current capability in a tiny package. Consider the 6 MHz option for smaller passive components if EMI allows. Ensure input voltage stays within 2.3 V to 5.5 V limits. Compare against FAN53611AUC123X for potential availability differences given the EOL status.

Voltage Regulators - DC DC Switching Regulators Part Context

Part of the FAN53611 series, designed for ultra-compact power management needs. It belongs to the PMIC category under Switching Voltage Regulators. The UC123 suffix denotes the specific 1.233 V fixed output variant. Manufactured by onsemi, it targets applications prioritizing size reduction without sacrificing regulation performance.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Publicly confirmed substitute: FAN53611AUC123X. Verify pinout and electrical parameter compatibility before substitution. Note that both parts share the same fixed output voltage and package type.