1. Output Short Circuit Protection: The mini boost module offers reliable output short circuit protection, ensuring your devices remain safe and secure during operation. 2. Overvoltage and Thermal Shutdown Protection: Equipped with advanced safety features, the boost regulator includes overvoltage and thermal shutdown protection to prevent damage and ensure long-lasting performance. 3. Automatic PFM Operation Mode for Light Loads: The booster board automatically switches to Pulse Frequency Modulation (PFM) mode during light loads, optimizing efficiency and extending battery life. 4. VIN Greater than VOUT Pass-Through Mode: The step up module seamlessly transitions to pass-through mode when the input voltage exceeds the output voltage, maintaining consistent performance without interruption. 5. True Disconnect Between Input and Output During Shutdown: The step up boost module board ensures a true disconnect between input and output during shutdown, providing complete isolation and preventing any potential leakage or damage. Type:Module Description: This little board comes in handy whenever you need a lot of 5V power. It's about the size of a linear regulator, but it's actually a mini booster! Put 2-5VDC in one side and get 5V, up to 1A, out the other. for battery powered projects using 2 or 3 alkaline cells or a single lithium cell. TPS61023 Specifications: Input voltage range: 0.5V to 5.5V Output current: 1A 1.8V minimum startup input voltage Two 47mΩ (LS) / 68mΩ (HS) MOSFETs 3.7A valley switch current limit Switching frequency is 1 MHz for VIN Greater than 1.5V and 0.5 MHz for VIN Less than 1V Typical shutdown current of Vin and SW is 0.1μA Reference voltage accuracy is ±2.5% from -40℃ to +125℃ Product dimensions: 18.00x11.00x5.00mm Product dimensions: 0.71x0.43x0.2inch