Mini 2In1 DC Step-Down Step-Up Converter 1.8-5V to 3.3V Power Wifi Bluetooth ESP8266 HC-05 CE1101 LED Module for arduino Diy Kit

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• Low Noise, Regulated Charge Pump DC⁄DC 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)

• 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