Description: DC-DC step down and step up module, voltage regulation 3.3V ±4% Voltage input range: 1.8V-5V Output: 3.3V Long time maximum output current 100mA, short time maximum output current operating frequency 1.2MHz. Short circuit protection no-load input current: 0.65 mA 2.54mm lead pitch Package Includes: 1 Piece DC-DC Buck-Boost Converter