FAN53555BUC24X

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

SKU:d2762d4a10b0 Category: Voltage Regulators - DC DC Switching Regulators Brand: onsemi

Consult the customer manager about the wholesale price.

consultation hotline：86-132-6715-2157

email：[email protected]
Contact the product manager for consultation. One-stop consultation is available.

Do you want a lower wholesale price? Please send us your inquiry and we will reply immediately.

Product introduction

FAN53555BUC24X 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 FAN53555BUC24X

Description：IC REG BUCK PROG 4A 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)：0.603V
Voltage - Output (Max)：1.42V
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 FAN53555BUC24X

FAN53555BUC24X

Voltage Regulators - DC DC Switching Regulators Overview

The FAN53555BUC24X is a TinyBuck synchronous buck switching regulator from onsemi, housed in a 20-WLCSP package. It accepts an input voltage range of 2.5 V to 5.5 V and delivers a programmable output voltage between 0.603 V and 1.42 V with a maximum output current of 4 A. Operating at a nominal switching frequency of 2.4 MHz, the device supports I2C digital programming up to 3.4 MHz. It functions within a temperature range of -40°C to +85°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

Integrates synchronous rectification for high efficiency across load ranges
Features digitally programmable output via high-speed I2C interface
Utilizes proprietary architecture to minimize external component count

Voltage Regulators - DC DC Switching Regulators Applications

Portable consumer electronics power management
Embedded systems requiring compact DC-DC conversion
IoT devices with strict size constraints

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify part authenticity through authorized onsemi channels or certified distributors. Confirm package integrity and MSL status upon receipt. Cross-reference datasheet revisions to ensure compatibility with design specifications. Request official RoHS declarations for regulatory compliance. Validate ordering suffixes against manufacturer documentation to confirm exact electrical characteristics.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this model when a 4 A output capability and WLCSP footprint are required. The programmable output allows flexibility for various core voltages. Ensure the application input voltage stays within the 2.5 V to 5.5 V limit. Consider thermal performance given the small package size under full load conditions.

Voltage Regulators - DC DC Switching Regulators Part Context

Part of the TinyBuck family designed for space-constrained applications. Offers a balance of high current density and digital control. Competes in the market for ultra-small synchronous step-down regulators used in mobile and portable devices.