Welcome to our shop! 100% brand new and high quality. This is a DC-DC boost converter module with a working frequency of 1 MHz. The module has a high efficiency of up to 94%, usually ranging from 84% to 91%. It is ultra small in size and light in weight, making it convenient to use. This module is widely used for battery-powered devices, multimeters, small power motors, cameras, electric toys, model aircraft, LED lighting, electronic DIY kits, and more. Specifications: - Output voltage: 3.7V, 5V, 12V (Optional) - Efficiency: 94% (usually ranging from 84% to 91%) - Quiescent current: 0.19mA - Operating temperature range: -40~+85 Degrees Celsius - Storage temperature range: -65~+150 Degrees Celsius - Size: 13*11*5.2mm / 0.5*0.4*0.2in - Weight: 2g / 0.1oz (approx.) Protection: - Over current protection (OCP) - Over voltage protection (OVP) - Short circuit protection (SCP) - Over temperature protection (OTP) Pin description: - Vi: Input positive (+) - GND: Input and Output negative (GND/-) - Vo: Output positive (+) Output details: - Output 3.7V: Input voltage: DC 2.6 - 3.6V, output voltage: DC 3.7V±3%, Maximum output: 3.7V/1200MA (Please refer to the table below for more details) - Output 5V: Input voltage: DC 2.6 ~ 4.5V, output voltage: DC 5V±3%, Maximum output: 5V/1200MA - Output 12V: Input voltage: DC 2.6 ~ 6V, output voltage: DC 12V±3%, Maximum output: 12V/500MA Package list: - 1 * Module Note: - This is a DC-DC voltage converter module, please pay attention when using: 1. The input voltage should not exceed the maximum input range. 2. The output power should not exceed the maximum load for a long time. 3. The input power must be higher than the output power, taking into account the power consumption of the module itself. 100% Satisfaction: Our customers are our top priority. If you find any product problems after receiving the goods, such as damage and incorrect quantity of goods, please contact the seller immediately. We try our best to provide you with satisfactory after-sales service.