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DROK Ultra Small Mini DC Power Module DC 3V to 5V 1A USB Battery Converter Step Up Module Charge for MP3/MP4/Phone Samsung Galaxy S3 iPad iPhone 4S 5 6/6 Plus review

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DROK Ultra Small Mini DC Power Module DC 3V to 5V 1A USB Battery Converter Step Up Module Charge for MP3/MP4/Phone Samsung Galaxy S3 iPad iPhone 4S 5 6/6 Plus review

Feature:
Module Properties: non-isolated step-up module
Input voltage: DC 1-5V
It is better that the input voltage greater than 3V. if the input voltage too low, the module would generate the noises.
Output voltage: DC 5.1-5 .2 V
Output Current: Rated 1A-1.5A (single lithium input), the maximum 1.5A (single lithium input)
Efficiency: Up to 96% (the higher the input voltage, the higher the efficiency)
Switching frequency: 500KHz
Output ripple: 30mV (MAX) 20M bandwidth (input 4V output 5.1V 1A)
Voltage indication: LED lights with load (input voltage less than 2.7V LED indicator off)
Operating Temperature: Industrial (-40°c to +85°c)
Full load temperature rise: 30°c
Load regulation: +/- 1%
Voltage regulation: +/- 0.5%
Dynamic response speed: 5% 200uS
Short circuit protection: None (Please use the lithium battery with protection.)
Input Reverse Polarity Protection: None
Connection: Welding
Input: IN + Postive, IN-Negative
Output: USB Output
Undervoltage instructions: when voltage below 2.7V, the load LED will not light up

Applications:
DIY a mobile power supply, only need one battery, you can output 5V voltage for your phone, MP3, MP4, PSP charger, very easy.
In order to power your electronic devices when your device needs 5V power supply, when you only have lithium battery, this module can be directly step-up to 5V, solve your problems.

Package Includes:
1x DC-DC ConverterElectronic circuit requires no electrolytic capacitors and tantalum and it adopt ceramic capacitor
Small ripple brings little damage to the board
Undervoltage indicator: when battery voltage below 2.7V in load, the LED will not light up; when battery voltage less than 2.7V in load, LED will light off; when battery voltage is more than 2.7V without load, LED will in dim light
Simple wiring connection: connect the IN+ to positive pole of power supply and connect IN- to negative pole of power supply
Efficiency: Up to 96% (the higher the input voltage, the higher the efficiency)
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