Manufacturer Part Number
FAN53555BUC23X
Manufacturer
onsemi
Introduction
FAN53555BUC23X is a highly efficient, programmable step-down switching regulator belonging to onsemi's TinyBuck® series.
Product Features and Performance
Step-down (Buck) regulator topology
Programmable output voltage for design flexibility
Single output with high current capability of 5A
High-frequency switching at 2.4MHz minimizes external components
Synchronous rectification for improved power efficiency
Supports a wide input voltage range from 2.5V to 5.5V
Adjustable output voltage ranging from 0.6V to 1.39V
Operating temperature range from -40°C to 85°C
Product Advantages
Compact 20-UFBGA, WLCSP package saves board space
Integrated synchronous rectifier for efficiency and reduced bill of materials
High switching frequency enables the use of small, low-cost inductors and capacitors
High output current suitable for demanding applications
Built-in features such as programmability and thermal management for robust performance
Key Technical Parameters
Input Voltage (Min): 2.5V
Input Voltage (Max): 5.5V
Output Voltage (Min/Fixed): 0.6V
Output Voltage (Max): 1.39V
Output Current: 5A
Switching Frequency: 2.4MHz
Number of Outputs: 1
Operating Temperature Range: -40°C to 85°C
Mounting Type: Surface Mount
Package/Case: 20-UFBGA, WLCSP
Supplier Device Package: 20-WLCSP (1.96x1.56)
Quality and Safety Features
Over temperature protection
Stable operation within the specified temperature range
Compliance with industry standards for safety and reliability
Compatibility
Compatible with high-density PCBs due to its small form factor
Integrates into various electronic systems requiring power regulation
Application Areas
Portable devices
Networking and telecom equipment
Computing peripherals
Industrial and medical instrumentation
Product Lifecycle
Currently active and in production
No indication of nearing discontinuation
Continuous availability of replacements and potential upgrades
Several Key Reasons to Choose This Product
High efficiency for energy-saving applications
Versatile input and output voltage ranges suitable for multiple uses
The compact size of the WLCSP package allows for small form-factor designs
High output current capability serves a wide range of power requirements
onsemi's reputation for reliability and performance in power management solutions