Manufacturer Part Number
FAN53555UC01X
Manufacturer
onsemi
Introduction
onsemi's high-efficiency step-down TinyBuck® regulator designed for portable applications
Product Features and Performance
High-efficiency synchronous buck regulator
Programmable output voltage
4MHz switching frequency for compact component size
5A maximum output current
Supports a wide input voltage range between 2.5V to 5.5V
Flexible and adjustable output voltage range from 0.6V to 1.23V
Thermal shutdown and over-current protection
Superior load and line transient response
Product Advantages
High efficiency for extended battery life
Minimal external component count due to integrated switches
Small footprint 20-UFBGA, WLCSP package suits compact devices
Extensive protection features enhance device reliability
Fast transient response suitable for high-performance applications
Key Technical Parameters
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
Quality and Safety Features
Under-voltage lockout (UVLO)
Over-temperature protection
Over-current protection
Thermal shutdown
Compatibility
Compatible with a wide range of input voltages and programmable output for various applications
Mounting Type: Surface Mount compatible with standard SMT processes
Application Areas
Portable electronics
Battery-powered devices
Mobile phones and personal multimedia devices
Wireless and DSL modems
Product Lifecycle
Product Status: Active
No indication of nearing discontinuation, upgrades or replacements could be subject to manufacturer's future developments
Several Key Reasons to Choose This Product
Ideal for space-constrained applications due to a tiny package size
Enables efficient power management, extending device battery life
Robust power delivery with 5A output current capacity
High-frequency operation allows for the use of small, low-cost external components
Fully integrated solution reduces design complexity and time to market
Highly adaptive and suitable for a wide range of portable electronic devices
Comprehensive built-in protection features ensure long-term reliability
FAN53555UC08Fairchild (onsemi)