XZ2301
High-current 4A synchronous buck converter with 1.2MHz switching for industrial and computing applications
Product Overview
Description
The XZ2301 is a high-current synchronous buck converter capable of delivering up to 4A continuous output current. With a switching frequency of 1.2MHz, it provides high efficiency for demanding applications.
The device operates from a 4.5V to 18V input voltage range, making it suitable for industrial, computing, and networking applications. It features external compensation for optimized transient response and supports programmable soft-start.
Comprehensive protection features include cycle-by-cycle current limit, thermal shutdown, and undervoltage lockout. The XZ2301 is available in a thermally enhanced QFN-16 package for high-power applications.
Product Series
XZ
Primary Application
Industrial equipment
Key Features
- High current capability up to 4A
- Wide input voltage range 4.5V-18V
- High efficiency up to 96%
- External compensation for flexibility
- Programmable soft-start
- Power-good indicator
- Cycle-by-cycle current limit
- Thermal shutdown protection
Specifications
| Input Voltage | 4.5V - 18V |
|---|---|
| Output Voltage | 0.8V - 16V |
| Output Current | 4A |
| Switching Frequency | 1.2MHz |
| Efficiency | Up to 96% |
| Operating Temperature | -40°C to +85°C |
| Package | QFN-16 (4mm x 4mm) |
Applications
Industrial equipment
Industrial automation and control
Networking equipment
Communication and interface
Computing systems
Electronic system design
FPGA power supplies
Electronic system design
ASIC power supplies
Electronic system design
FAE Expert Insights
"The XZ2301 is our go-to solution for high-current applications. The 4A capability and wide input range make it very versatile for industrial and computing applications. I've used this in several FPGA power designs where the 4A capacity handles the peak currents during configuration. The external compensation allows optimization for specific transient requirements - this is important for processors with aggressive power management. The 1.2MHz switching provides good efficiency while keeping external components reasonable in size. Thermal management is important at 4A - use adequate copper area and thermal vias. Overall, a robust high-current buck converter with excellent performance."
High-current 4A buck converter with wide input range for industrial applications
— Robert Li, BeiLuo
Frequently Asked Questions
What is the maximum output current of XZ2301?
The XZ2301 can deliver up to 4A continuous output current with proper thermal management. The actual maximum current may be limited by thermal considerations depending on ambient temperature and PCB design. Peak current capability is higher for transient loads.
Design for 20-30% current margin below maximum rating; ensure adequate PCB copper area and thermal vias for heat dissipation.