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Parameters
The modular nature: non isolated step-up module (BOOST)
Input voltage: 1-5V
Output voltage: 5.1-5.2V (choice between 3.3-6V, if need other voltage, please inform the shopkeeper, or the default delivery to 5.1V-5.2)
Output current: rated 1A-1.5A (single lithium battery input), the maximum is 1.5A (single lithium battery input)
Conversion efficiency: the highest is 96% (input voltage, higher efficiency, higher specific please see below)
Switching frequency: 500KHz
Output ripple: 30mV (MAX) 20M bandwidth (input 4V output 5.1V 1A)
Under voltage instructions: load the LED indicator light (input voltage below 2.7V LED indicator)
Working temperature: industrial grade (-40 to +85 degree)
Full temperature: 30 degree
Static current: 130uA
Load regulation: + 1%
Voltage regulation rate: 0.5%
The dynamic response speed: 5% 200uS
Short circuit protection: No, if you want to have short circuit protection can be input with lithium battery protection board, or the use of lithium batteries with protection.
Input reverse connection protection: no
Connection: Welding
Input: IN+ positive input level, the IN- input cathode

Characteristic
1: the original USA imported chips, and expanding flow MOS tube
2: output current to rated 1A, the maximum output 1.5A, the Schottky barrier diode 2A, residual value.
3: using the new design, circuit design not need electrolytic capacitors and tantalum capacitors (electrolytic capacitor short life, tantalum capacitors has danger of explosion). The present high-end circuit is ceramic capacitors (MCC) 3pcs
Ripple is very low, only a few tens of millivolt, many colleagues ripple reached 500 MV is big, cause a kind of intangible damage to the equipment, a serious cause of abnormal or damaged equipment.
4: load indicator and undervoltage indication (when the battery voltage is less than the 2.7V indicator light in the load case will be extinguished, when the battery voltage is greater than the 2.7V load indicating lamp is bright, do not carry the load indicator light)
5: ultra small size, 14.1*18.8*5.5 mm
6: circuit with high conversion efficiency, high time efficiency of more than 90%, in a single lithium battery efficiency lowest also is greater than 80%, the efficiency is not peer some efficiency is only 60-70%.
7: enter the small power reverse protection, if the protection board of your battery with 2A when you enter the power supply positive and negative anti access, protection board will protect, attention, when no protection plate or the input current is greater than 2A, input reverse connection protection failure, will cause the module damage, remember.
8: low quiescent current, the current will be less than 100μA. It is connected with the battery without switch.
With under voltage indication (input voltage below 2.7V LED indicator)

Application
1).DIY a mobile power supply, just need to take a battery power supply in the input, it can output 5V voltage for your mobile phone, MP3, MP4, PSP charge, is very simple and convenient.
2). In order to supply your electronic equipment, when your device to the 5V power supply, however, you are only in the hands of lithium battery power supply, we can use this module can directly boost to 5V, solve your problems.
3). Before the system level power supply, when you do a project inputs for battery powered (1-5V) when the system board, and you need 5V stabilized power supply, that you choose us this module will be your best choice, no debugging directly on the machine can work with high efficiency and high power, easy boost