FAN53611AUC135X

Voltage Regulators - DC DC Switching Regulators Overview

The FAN53611AUC135X is a synchronous buck regulator manufactured by onsemi. It operates with an input voltage range of 2.3V to 5.5V and provides a fixed output voltage of 1.35V. The device supports a continuous output current of 1A, with a reduced capability of 600mA in specific configurations. It utilizes a fixed switching frequency of 6MHz and is housed in a compact 6-WLCSP package measuring 1.23mm x 0.88mm. The component functions within a temperature range of -40°C to 85°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Synchronous rectification architecture for enhanced efficiency
• Fixed 6MHz switching frequency enabling compact passive components
• Integrated power switch design reducing external component count
• Compact WLCSP footprint suitable for space-constrained layouts

Voltage Regulators - DC DC Switching Regulators Applications

• Portable consumer electronics requiring efficient DC-DC conversion
• Battery-powered devices needing stable low-voltage regulation
• Embedded systems utilizing fixed voltage rails for logic or peripherals

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the exact suffix against official datasheets to confirm output voltage and package dimensions. Confirm RoHS compliance status as per the latest manufacturer declaration. Check for obsolescence notices, as this part may be subject to discontinuation. Ensure ESD handling protocols are followed during assembly due to the small form factor.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 1.35V output is required from a 2.3V to 5.5V input source. The 6MHz frequency allows for smaller inductors compared to lower-frequency alternatives. Consider the 1A current rating for load requirements. Verify thermal performance within the specified operating temperature range for the target application environment.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the FAN53611 family of synchronous buck regulators. The family offers various fixed output voltages distinguished by their alphanumeric suffixes. These regulators are designed for high efficiency and minimal external component usage in portable applications.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Consult official substitution lists for compatible parts with identical pinouts and electrical characteristics. Verify that alternative components match the 6WLCSP package dimensions and 1.35V output specification.