8A 180KHz 40V Buck DC to DC Converter
The XL4016 is a high-efficiency DC-DC step-down (buck) switching regulator IC designed for applications that require high current output and simple external component design.
It is commonly used in power supplies, LED drivers, battery chargers, and automotive/industrial DC conversion systems.
Type: Step-down (buck) DC-DC converter
Input voltage range: ~8 V to 40 V
Output current: up to 8 A (practically ~5–6 A continuous with good cooling)
Output voltage: adjustable via external resistors
Switching frequency: ~180 kHz
Built-in high-current power MOSFET switch
Current-mode PWM control
Cycle-by-cycle current limiting
Thermal shutdown protection
Short-circuit protection
PackageTypically available in TO-220-5L package (with heat sink tab)
Designed for external diode, inductor, and capacitor components
Typical Applications
DC power supply modules
LED constant-current drivers
Battery charging circuits
Automotive 12V/24V step-down systems
DIY adjustable bench power supplies
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