5 PCS 3.3V DC-DC Regulator Module

Description:
A DC-to-DC converter is an electronic circuit device that converts a source of direct current (DC) from one voltage level to another. Step down DC-DC power supply module features a fixed output of 3.3V. 
DC to DC converters are used in portable electronic devices such as cellular phones and laptop computers, which are supplied with power from batteries primarily.

Features:
Low Noise, Regulated Charge Pump DC⁄DC Converter
In 1 DC-DC Step-Down and Step-Up Converter module
Output Voltage: 3.3V +-4%
Output Current: 100mA (Long-term), 150mA (Short-term)
Input Voltage: 1.8V ~ 5V (You can use two of these modules to use the 1.2V NiMH batteries).
Input Current: 0.65mA (No-load)
Working Frequency: 1.2MHz
Short Circuit Protection
Pitch: 2.54mm
Pin Number: 3 Pins
Size: 11mm x 7.62mm x 4.5mm

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

Package Include:
5 x 3.3V DC Converter Power Module