XL4016E1 DC-DC Step-Down Buck Converter IC — TO-220-5, 8A, 4–40V Input (2-Pack)

XL4016E1 DC-DC Step-Down Buck Converter IC — TO-220-5, 8A, 4–40V Input (2-Pack)

The XL4016E1 is a high-current DC-DC step-down (buck) converter IC from XLSEMI in TO-220-5 package. With an 8A output current capability, 4–40V input range, and adjustable output from 1.25V to 36V, it is the core IC used in popular XL4016-based buck converter modules. This 2-pack is ideal for module repair, custom high-current power supply PCB design, and replacement of failed XL4016 ICs.

Key Specifications

Parameter	Value
Part Number	XL4016E1
Package	TO-220-5
Input Voltage	4V – 40V DC
Output Voltage	1.25V – 36V (adjustable)
Max Output Current	8A
Switching Frequency	180kHz
Topology	Non-synchronous step-down (buck)
Efficiency	Up to 96%
Operating Temperature	-40°C to +125°C
Pack Quantity	2 pieces

Why Choose XL4016E1?

• ✅ 8A output current — high-current capability for demanding loads
• ✅ 4–40V input range — covers 12V, 24V, and 36V DC systems
• ✅ TO-220-5 package — easy to heatsink for high-power applications
• ✅ 180kHz switching — compact external inductor and capacitor requirements
• ✅ 2-pack value — one for repair, one as spare

Typical Applications

• XL4016 buck converter module IC replacement/repair
• Custom high-current DC-DC step-down PCB design
• 12V/24V to 5V high-current power supply
• Solar charge controller power stage
• Industrial DC-DC power conversion

Package Contents

• 2 × XL4016E1 DC-DC Step-Down Buck Converter IC (TO-220-5)

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