DD0503MA ULTRA MINI DC 3.7V 4.5V 5V TO 3.3V DC DC STEP DOWN CONVERTER BUCK MODULE

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The DD0503MA Ultra Mini DC 3.7V to 5V step-down converter module is ideal for use with 18650 batteries or other 3.7V to 6V sources, as it efficiently steps down the voltage to 3.3V for devices requiring 3.3V input, such as microcontrollers and IoT devices. Key features include an input voltage range of 3.3-6V with a 3.3V output (±4% deviation), a long time maximum output current of 500mA, and a short time maximum output current of 700mA. The conversion efficiency ranges from 81-93%, and the maximum input voltage should not exceed 6.5V. The module has a working frequency of 1.2MHz and operates within an ambient temperature range of -40°C to +85°C. Measuring at 2.54mm pin pitch, it is compatible with Arduino UNO DUE breadboards, FPGA/CPLD development boards, and more. At just 10.8mm x 7.7mm x 5.6mm in size and weighing less than 1g, this mini module finds applications in various devices including ESP8266 WiFi modules, HC-05/HC-06 Bluetooth modules, CC2500 SI4432 wireless modules, Nrf24l01+ LED lights, and 3.3V development boards featuring ARM STM32, FPGA/CPLD MSP430 processors. To ensure proper usage, remember that the input voltage must not exceed the maximum input range, output power should not surpass the module's long-term load limit, and the input power must be greater than the output power due to the module's power consumption.