Description:Input voltage: 4.75~23V, output 3.3VLong-time maximum output current: 1.3A(5V to 3.3V)Short time maximum output current: 2A(5V to 3.3V)DC-DC Step-Down Converter module working frequency: 1.4MHz. efficiency: 78-91 %.2.54mm pin pitchExcluding Pin Size: 22.5mm x 13.5mm x 6.5mmWeight: about 2.2gApplications:MCU Development Board, FPGA/CPLD UNO MEGA2560 DUE 8051 AVR C8051, etc3.3V LED Lighting3.3V MotorWIFI esp8266 ModuleWireless Module: Nrf24l01 CC1101 CC2500 CC2530Smart home/home automation315M 433M Wireless remote controllerDistributed Power SystemsBattery ChargerPre-Regulator for Linear RegulatorsDSL ModemsAttention:This is a DC-DC voltage converter module, must be noted when using:1. Input voltage can not be greater than the maximum input2. Output power can not be greater than the maximum load for a long time3. Input power must be greater than the output power because of the power consumption of the module itselfPacking includes:1 x 5V-23V to 3.3V DC-DC Step-Down Power Supply