FAN53555UC03X

Description：IC REG BUCK PROG 5A 20WLCSP
Series：TinyBuck®
Mfr：onsemi
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:bdaa39ee3870 Category: Voltage Regulators - DC DC Switching Regulators Brand: onsemi

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Product introduction

FAN53555UC03X is listed in the Voltage Regulators - DC DC Switching Regulators range at ChipApex. The manufacturer field lists onsemi. Its product description is IC REG BUCK PROG 5A 20WLCSP. Review the specifications below when checking this part for your BOM.

Voltage Regulators - DC DC Switching Regulators specifications for FAN53555UC03X

Description：IC REG BUCK PROG 5A 20WLCSP
Series：TinyBuck®
Mfr：onsemi
Package：Tape & Reel (TR),Cut Tape (CT)
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)：1.23V
Current - Output：5A
Frequency - Switching：2.4MHz
Synchronous Rectifier：Yes
Operating Temperature：-40°C ~ 85°C (TA)
Mounting Type：Surface Mount
Package / Case：20-UFBGA, WLCSP
Supplier Device Package：20-WLCSP (1.96x1.56)
Grade：-
Qualification：-

Voltage Regulators - DC DC Switching Regulators datasheet and documents for FAN53555UC03X

FAN53555UC03X

Voltage Regulators - DC DC Switching Regulators Overview

The FAN53555UC03X is a synchronous step-down DC-DC converter from the TinyBuck family, manufactured by onsemi. It operates with an input voltage range of 2.5 V to 5.5 V and delivers a programmable output voltage between 0.6 V and 1.23 V. The device supports a maximum output current of 5 A at a fixed switching frequency of 2.4 MHz. It utilizes a 20-WLCSP package measuring 1.96 mm by 1.56 mm. The component functions within a temperature range of -40°C to +85°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

Digital programming capability via I2C-compatible interface for precise output voltage adjustment
Synchronous rectification architecture ensures high efficiency across varying load conditions
Fixed 2.4 MHz switching frequency enables the use of compact external passive components

Voltage Regulators - DC DC Switching Regulators Applications

Portable electronic devices requiring efficient power management
Embedded systems utilizing low-voltage digital logic
Battery-powered equipment needing extended operational life

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify component authenticity through authorized distribution channels. Confirm package integrity and pin alignment upon receipt. Check datasheet revisions for updated electrical characteristics. Ensure storage conditions comply with moisture sensitivity level requirements. Validate compatibility with target circuit design parameters before implementation.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this regulator when high current delivery and small footprint are critical. The 5 A capacity suits demanding portable applications. Verify that the required output voltage falls within the 0.6 V to 1.23 V programmable range. Consider the 2.4 MHz frequency for inductor size optimization. Ensure the input supply remains within the specified 2.5 V to 5.5 V limits.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the TinyBuck series of digitally programmable regulators. It shares architectural similarities with other models in the FAN53555 family but differs in specific output configurations and package variants. The UC03X suffix denotes a specific output voltage range and package type within the broader product line.