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.





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!
A final check before payment
Review your options, quantities and the final total before confirming.
Ordering for an occasion
Delivery times are estimates, so leave time before your occasion.
Standard Shipping: Handling (business days) 0–1; Transit (business days) 7–15.
Express Shipping: Handling (business days) 0–1; Transit (business days) 7–15.
View policyIf plans change
Ask the store about your order before making return or refund arrangements.
Please contact us for the refund processing timeframe before returning an item.
View policyPlanning delivery
Review the available services for your destination.
Standard Shipping · United States: $0.00
Express Shipping · United States: $3.99
View policyReturn arrangements
Contact the store first to check the conditions for your item.
United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.
View policy








