Features: _x000D_ 100% brand new and high quality _x000D_ Low power consumption,Low ESR Cap.Compatible DD0403MA Series LDO Module,Very suitable for lithium battery-powered _x000D_ Long time maximum output current 300mA _x000D_ Short time maximum output current 400mA _x000D_ Applications: 3.3V MCU ARM CPU FPGA/CPLD ,5V 3.7V TO 3.3V lithium battery-powered systems ,3.3V Motor Toy ,WIFI esp8266 Module ,CCTV camera ,Wireless Module:Nrf24l01 CC1101 CC2500 CC2530 Zigbee ,Smart home / home automation ,Battery Charger ,Pre-Regulator for Linear Regulators ,FM radio ,Battery powered equipment ,Audio amplifier _x000D_ _x000D_ _x000D_ _x000D_ Specification: _x000D_ Input voltage :DC 3.5-6v _x000D_ Output voltage :DC 3.3v _x000D_ The maximum output current for a long time is 300mA _x000D_ The maximum output current in short time is 400mA _x000D_ High precision: plus or minus 2% _x000D_ Resting current :8uA _x000D_ Short circuit current :30mA _x000D_ Current protection :500mA _x000D_ Working temperature: 25~ + 85 _x000D_ Weight: Approx.0.5g/0oz _x000D_ _x000D_ _x000D_ Package list: _x000D_ 1 x Buck Regulator Module _x000D_ _x000D_ Attention : _x000D_ _x000D_ This is a DC-DC voltage converter module,Must be noted when using: _x000D_ 1 Input voltage can not be greater than the maximum input range_x000D_ 2 Output power can not be greater than the maximum load for a long time_x000D_ 3 Input power must be greater than the output power, because the power consumption of the module itself