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3V to 5V 1A USB Charger for DC-DC Converter Step Up Boost Module
The ripple is very low, only tens of millivolts.
4: also with the load indicator light and undervoltage indicator (when the battery voltage is less than 2.7V, the indicator light will be off with the load, when the battery voltage is greater than 2.7V, the indicator light will be on with the load, no load when the indicator light is light)
5: Ultra-small size, 30(L)*18(W)*9(H) mm (including USB connector)
6: high circuit conversion efficiency, high efficiency of more than 90%, in a single lithium battery efficiency is greater than 80%.
7: input low power reverse connection protection, if your battery with 2A protection plate when you input power positive and negative polarity reverse connection, the protection plate will protect, note that when there is no protection plate or the input current is greater than 2A, the input reverse connection protection will fail, will lead to module damage, remember.
8: low static current, static current will be less than 100 microamps. Connect to the battery without adding a switch.
Description:
Module nature: Non-isolated BOOST module (BOOST)
Input voltage: 1-5V
Output voltage: 5.1-5.2V
Output current: rated 1A-1.5A (single lithium input), 1.5A (single lithium input)
Conversion efficiency: 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)
Undervoltage indicator: LED indicator with load is on (LED indicator is off when the input voltage is less than 2.7V)
Operating temperature :(-40℃ to +85℃)
Full load temperature rise: 30℃
Static current: 200uA
Load adjustment rate: ±1%
Voltage adjustment rate: ±0.5%
Dynamic response speed: 5% 200uS
Short circuit protection: none. If you want to have short circuit protection, you can input lithium battery protection board or use lithium battery with protection.
Input reverse connection protection: None. If reverse connection protection is required, install a reverse connection protection plate.
Package Content:1pcs Module
FAQ:
1. How efficient is the module? I'm using it on batteries that require high efficiency. Can I use it?
A: The efficiency of this module is very high in asynchronous rectification, and our actual test efficiency can reach 96%. There is friends do not blindly pursue high efficiency, high efficiency is proportional to the price, for example, you need 5V 0.5A power supply, 80% of the efficiency loss of energy 0.625W, 90% of the efficiency loss of energy 0.278W, you feel it is necessary to double the cost for the 0.3W power. Just pick one that works.
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