FAN53555UC08X

$0.74

Description：IC REG BUCK PROG 4A 20WLCSP
Series：TinyBuck®
Mfr：onsemi
Package：Tape & Reel (TR),Tape & Reel (TR),Cut Tape (CT)

SKU:bf1319d79758 Category: Voltage Regulators - DC DC Switching Regulators Brand: onsemi

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Product introduction

FAN53555UC08X 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 4A 20WLCSP. Review the specifications below when checking this part for your BOM.

Voltage Regulators - DC DC Switching Regulators specifications for FAN53555UC08X

Description：IC REG BUCK PROG 4A 20WLCSP
Series：TinyBuck®
Mfr：onsemi
Package：Tape & Reel (TR),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：4A
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 FAN53555UC08X

FAN53555UC08X

Voltage Regulators - DC DC Switching Regulators Overview

The FAN53555UC08X is a digitally programmable synchronous buck regulator from onsemi's TinyBuck series. It delivers up to 5A output current with an input voltage range of 2.5V to 5.5V. The device operates at a fixed switching frequency of 2.4MHz and provides a programmable output voltage range of 600mV to 1.23V. Packaged in a compact WLCSP-20 format, it supports surface-mount installation and functions within an operating temperature range of -40°C to +85°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

Digitally programmable output voltage via I2C interface
Integrated synchronous rectification for high efficiency
Compact wafer-level chip scale packaging

Voltage Regulators - DC DC Switching Regulators Applications

Portable consumer electronics
Embedded computing systems
Industrial control modules

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify component authenticity through authorized channels due to end-of-life status. Confirm package integrity upon receipt as WLCSP components are sensitive to mechanical stress. Ensure compatibility with existing PCB footprint designs before integration into production workflows.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this model when a 5A capacity and specific 600mV to 1.23V output range are required. The 2.4MHz frequency allows for smaller passive components compared to lower-frequency alternatives. Verify that the application environment remains within the specified -40°C to +85°C operational limits.

Voltage Regulators - DC DC Switching Regulators Part Context

This component belongs to the TinyBuck family of power management integrated circuits designed for space-constrained applications. It represents a transition toward digitally controlled power regulation within onsemi's portfolio, offering precise voltage adjustment capabilities suitable for modern low-voltage digital loads.