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FAN53525UC48X is listed in the Voltage Regulators - DC DC Switching Regulators range at ChipApex. The manufacturer field lists Fairchild Semiconductor. Its product description is IC REG BUCK PROG 3A 15WLCSP. Review the specifications below when checking this part for your BOM.
Voltage Regulators - DC DC Switching Regulators specifications for FAN53525UC48X
- Description：IC REG BUCK PROG 3A 15WLCSP
- Series：TinyBuck®
- Mfr：Fairchild Semiconductor
- Package：Bulk
- Function：Step-Down
- Output Configuration：Positive
- Topology：Buck
- Output Type：Programmable
- Number of Outputs：1
- Voltage - Input (Min)：2.5V
- Voltage - Input (Max)：5.5V
- Voltage - Output (Min/Fixed)：0.6V
- Voltage - Output (Max)：1.39V
- Current - Output：3A
- Frequency - Switching：2.4MHz
- Synchronous Rectifier：Yes
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：15-UFBGA, WLCSP
- Supplier Device Package：15-WLCSP (2.02x1.31)
- Grade：-
- Qualification：-
Voltage Regulators - DC DC Switching Regulators datasheet and documents for FAN53525UC48X
Voltage Regulators - DC DC Switching Regulators Overview
The FAN53525UC48X is a digitally programmable synchronous buck switching regulator manufactured by Fairchild Semiconductor. It delivers a maximum output current of 3A with an input voltage range of 2.5V to 5.5V. The device provides a programmable output voltage between 0.6V and 1.39V, operating at a fixed switching frequency of 2.4MHz. Packaged in a compact 15-WLCSP (2.02x1.31mm) format, it supports surface mount installation and functions within an ambient temperature range of -40°C to 85°C.
Voltage Regulators - DC DC Switching Regulators Feature Summary
- Digitally programmable output voltage control via I2C interface
- Integrated synchronous rectification for high efficiency
- Compact WLCSP package design for space-constrained applications
Voltage Regulators - DC DC Switching Regulators Applications
- Portable consumer electronics requiring efficient power management
- Embedded systems utilizing low-voltage digital logic
- Battery-powered devices needing extended runtime
Voltage Regulators - DC DC Switching Regulators Procurement Notes
Verify component authenticity through authorized distribution channels. Confirm datasheet revisions match specific manufacturing lot requirements. Ensure ESD handling protocols are followed during storage and assembly. Validate that the 15-WLCSP footprint aligns precisely with PCB layout specifications before finalizing procurement orders.
Voltage Regulators - DC DC Switching Regulators Selection Notes
Select this component when a 3A output capability and 2.4MHz switching frequency are required. The 2.5V to 5.5V input range suits single-cell lithium battery applications. Consider the 15-WLCSP package size for board space optimization. Verify thermal performance under maximum load conditions within the specified operating temperature range.
Voltage Regulators - DC DC Switching Regulators Part Context
This part belongs to the TinyBuck series of power management integrated circuits. It represents a step-down topology designed for portable applications. The manufacturer transitioned from Fairchild Semiconductor to onsemi. This specific model utilizes a WLCSP package for minimal profile.
Voltage Regulators - DC DC Switching Regulators Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided documentation. Consult official manufacturer cross-reference tools for verified alternatives.
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