3Pcs Mini 2 in 1 1.8V-5V to 3.3V DC Step Down Step Up Converter Power For Arduino Wifi bluetooth ESP8266 HC-05 CE1101 LED Module

Applications: Low-Power Wifi Module:ESP8266 Low-power bluetooth module : HC-05 HC-06 Low-power Wireless UART module : HC-11 HC-12 Low-power wireless module : CC1101 CC2500 Nrf24l01+ Low-power LED Driver Description: Low Noise, Regulated Charge Pump DCDC Converter 2 in 1 DC-DC Step-Down & Step-Up Converter module 1. Fixed 3.3V+-4% Output 2. Voltage Input Range: 1.8~5V ( You can use two of this module to use the 1.2V NiMH batteries). 3. Long time maximum output current 100mA 4. Short time maximum output current 150mA 5. working frequency 1.2MHz. 6. Short-Circuit Protection 7. No load input current : 0.65mA 8. 2.54mm pin pitch, for Breadboard MCU Development Board friendly 9. Excluding Pin Size 11mm x 7.62mm x 4.5mm(small) 10. Weight : about 0.5g Attention: This is a DC-DC voltage converter module, must be noted when using: 1. Input voltage can not be greater than the maximum input range 2. Output power can not be greater than the maximum load for a long time 3. Input power must be greater than the output power, because the power consumption of the module itself Package includes: 3 x Module