Features: 1. Brand new original XL6009 chip, high quality chip electrolytic capacitors. 2. Up to 400Khz operating frequency, and LC filter circuit, output ripple is very low. 3. Imported inductance to minimize heat and interference. 4. Input and output use 3 MLCC multilayer ceramic capacitors for improved anti-interference ability and stability. 5. Built-in MOSFET, say goodbye to the LM2577 built-in transistor, can achieve 94% high efficiency. 6. Added enable port to control whether the boost circuit works. Specification: Module Nature: Non-isolated buck-boost module Input Voltage: 5-32V Output Voltage: 1.2-35V continuously adjustable Output Current: 1.5A (MAX) Input Current: 4A (MAX) Output Power: Natural cooling 20W, plus 25W (MAX) actual power Maximum Output Power = Input Voltage x 4A x Conversion Efficiency Output Ripple: When input 12V output 24 0.5A, ripple 30MV 20M bandwidth (for reference only) Operating Temperature: -40~85℃ (When ambient temperature exceeds 40 degrees, please reduce power to use, or enhance heat dissipation) Full Load Temperature rise: 45℃ Working Frequency: 400khz No-Load Current: typical 15mA (5V to 12V) Load Regulation Rate: ±0.5% Voltage Regulation Rate: ±0.5% Dynamic Response Speed: 5% 200uS Enable Control Port: Yes, high level 1.4V-VIN(ON), low level 0-0.8V (OFF), default high level Short Circuit Protection: none (please install fuse or protection circuit at input) Input Reverse Connection Protection: No Installation Method: 2pcs 3mm fixing screw holes Wiring Method: soldering, solder directly to the PCB after adding pins Dimension: 49x23.4x11.4mm / 1.93x0.92x0.45in (without potentiometer) Package List: 1 x Adjustable Boost Buck Converter 1、1. Brand new original XL6009 chip, high quality chip electrolytic capacitors. 2、2. Up to 400Khz operating frequency, and LC filter circuit, output ripple is very low. 3、3. Imported inductance to minimize heat and interference. 4、4. Input and output use 3 MLCC multilayer ceramic capacitors for improved anti-interference ability and stability. 5、5. Built-in MOSFET, say goodbye to the LM2577 built-in transistor, can achieve 94% high efficiency.