Kunkune

DC-DC Buck Boost Converter 4-35V to 1.25-25V LM2596S XL6019E1 3A

Adjustable DC-DC buck-boost converter with 4-35V input, 1.25-25V output, 3A max current. Features LM2596S & XL6019E1 chips for efficient power regulation.

DC-DC Buck Boost Converter 4-35V to 1.25-25V LM2596S XL6019E1 3A - Main image
$2.94 $4.9 In stock

Category: DC to DC Converters

The 4-35V to 1.25-25V Buck-Boost Converter is a versatile DC-DC voltage regulator designed for stable and efficient power conversion. Whether you need to step up or step down voltage, this module provides precise control over output power, making it ideal for battery charging, LED driving, and renewable energy applications. Featuring the LM2596S and XL6019E1 chips, this converter ensures high efficiency and reliable performance across a wide range of input voltages.

Key Features:

  • Wide Input Voltage Range: 4V – 35V DC
  • Adjustable Output Voltage: 1.25V – 25V DC (continuously adjustable)
  • Maximum Output Current: 3A (requires heat sink for loads above 15W)
  • Constant Current (CC) Range: 0-2A (adjustable)
  • High Conversion Efficiency: Up to 80% (higher efficiency at higher output voltages)
  • Overheat Protection: Requires additional cooling for temperatures above 40°C
  • Full Load Temperature Rise: 45°C
  • Built-in Indicators:
    • CC Mode: Red LED
    • Charging: Red LED
    • Charge Complete: Blue LED
  • Short Circuit Protection: Yes, with constant current control
  • Compact Size: 50 x 37 x 13mm – easy to integrate into various projects
  • Direct PCB Soldering: Can be wired directly for secure connections

Applications:

  • High-power LED constant current driver
  • Lithium, nickel-cadmium, and nickel-metal hydride battery charging (4V, 6V, 12V, 14V, 24V)
  • Solar panel and wind generator voltage regulation
  • Automatic buck-boost voltage regulation for various power circuits

This high-efficiency buck-boost converter is perfect for DIY electronics, battery management, and renewable energy projects. Get precise and stable voltage regulation for your devices today!

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Standard Shipping · United States: $0.00

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United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

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Customer Reviews (4.8 / 5 · 5 reviews)

Hannah ★★★★★

Finally got this hooked up to my 12V LED strip and the voltage adjustment is super precise with the onboard trimmer. It stays cool even when I push it near the full 3A rating.

Steven N. ★★★★★

I’ve been using this to power a small fan from a 12V battery, and the adjustable output down to 1.25V gave me way more headroom than I expected. It holds steady even when the input dips to around 8V, which my old setup couldn’t handle.

Abigail O. ★★★★★

Finally got my LED strip setup running steady with it—the wide input range means I can use whatever spare wall wart I have lying around. Output stayed rock solid at 12V even when I accidentally fed it 24V for a few minutes.