FAN2564UC15X

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Overview

The FAN2564UC15X is a low-dropout regulator (LDO) manufactured by onsemi, formerly Fairchild Semiconductor. It provides a fixed 1.5 V output with a maximum current of 300 mA. The device operates within an input voltage range of 1.65 V to 3.6 V and features a dropout voltage of 100 mV. It includes a positive polarity configuration and offers high accuracy with a voltage regulation tolerance of 1%. Key electrical parameters include an input bias current of 45 uA, line regulation of 0.03 %/V, and load regulation of 10 uV/mA. The component supports surface mount installation in a WLCSP-4 package and functions reliably across a temperature range of -40 °C to +85 °C.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Feature Summary

• Provides stable regulated power for sensitive electronic circuits using low-dropout technology
• Designed for compact applications through ultra-small footprint packaging
• Maintains consistent output voltage under varying load and line conditions

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Applications

• Portable consumer electronics requiring efficient power management
• Battery-powered devices needing stable voltage regulation
• Embedded systems utilizing low-voltage logic components

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Procurement Notes

Verify the manufacturer designation carefully as the part may be listed under onsemi due to corporate acquisition history. Confirm the specific suffix UC15X matches the required 1.5 V fixed output and WLCSP-4 package variant. Check for end-of-life status or discontinuation notices from the original Fairchild Semiconductor documentation before finalizing procurement plans.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Selection Notes

Select this component when a fixed 1.5 V rail is required with minimal voltage drop from a supply between 1.65 V and 3.6 V. Ensure the design accommodates the WLCSP-4 surface mount package constraints. Verify that the 300 mA output capability meets the peak current demands of the target circuit while maintaining thermal performance within the specified operating temperature range.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Part Context

This LDO belongs to the FAN2564 series, which focuses on low-power regulation solutions. Originally developed by Fairchild Semiconductor, the product line was integrated into onsemi's portfolio following industry consolidation. The series targets mobile and portable markets where space efficiency and battery life are critical design parameters.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material.