Manufacturer Part Number
FAN53555UC05X
Manufacturer
onsemi
Introduction
The FAN53555UC05X is a highly efficient, small-footprint, synchronous step-down regulator from onsemi's TinyBuck® series.
Product Features and Performance
Efficient step-down voltage conversions
Synchronous rectification for improved efficiency
Programmable output voltage for flexibility in usage
High-frequency switching at 2.4MHz allows for small external components
Supports up to 5A output current for high-power applications
Operates in the input voltage range from 2.5V to 5.5V
Provides an adjustable output voltage from 0.6V to 1.23V
Product Advantages
High efficiency for power-sensitive applications
Compact UFBGA packaging for space-constrained designs
Highly programmable to meet specific circuit requirements
Fast transient response suitable for high-performance digital loads
Key Technical Parameters
Input Voltage (Min): 2.5V
Input Voltage (Max): 5.5V
Output Voltage (Min/Fixed): 0.6V
Output Voltage (Max): 1.23V
Current - Output: 5A
Frequency - Switching: 2.4MHz
Operating Temperature Range: -40°C to 85°C
Quality and Safety Features
Built-in overcurrent and thermal protection
Operation within industrial temperature ranges
Compatibility
Compatible with surface mount technology for PCB assembly
Designed for use with a wide array of existing standard external components
Application Areas
Power supply modules for networking equipment
Core voltage supplies for high-performance processors
Point-of-load power supplies for FPGAs and ASICs
Product Lifecycle
Obsolete
Potential replacement or upgrade options may be available from onsemi
Key Reasons to Choose This Product
Supports high-current output demands up to 5A
Programmable outputs increase design flexibility
High-efficiency design aids in thermal management
Industry-standard UFBGA packaging simplifies board design
High-frequency operation minimizes passive component sizes
Incorporates multiple protection features for reliability
Operates over a wide range of input voltages and temperatures
FAN53555BUC27XFairchild (onsemi)