# XL4016 (Component) ## Description 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 #CommonPartsLibrary #IntegratedCircuit #PowerManagement ## Component Details - **Owner:** adrian95 - **Created:** 4/17/2026 - **Last Updated:** 4/17/2026 - **Visibility:** Public - **License:** https://creativecommons.org/licenses/by/4.0/ - **Datasheet URL:** https://www.makerfabs.com/desfile/files/XL4016-Datasheet.pdf?srsltid=AfmBOorxDJlb9ZdY7HuWkaxSSxQ2jKlPKrxPzYJ0C8N4t5mqFoo529wg - **Package or Case Code:** TO - **Part Type:** Power Management - **Manufacturer Part Number:** XL4016 - **Manufacturer Name:** XLSEMI - **Used in:** 1 project - **Part Type:** Integrated Circuits - **Sub-Type:** Logic - **MPN:** XL4016 - **Package / Case Code:** 220-TO - **Pin Count:** 5 - **Logic Function:** Monitor ## Pins | Pin | Name | Type | |-----|------|------| | 1 | GND | | | 2 | FB | | | 3 | SW | | | 4 | VC | | | 5 | VIN | | --- *Generated from [https://www.flux.ai/adrian95/xl4016](https://www.flux.ai/adrian95/xl4016)*