Description
LM2569 Step Down Switching Power Supply (module)
Ideal for Stepping down the output of Lithium battery packs
Specifications:
Input Voltage: 4,0V to 30V (Note input Voltage must be 1.5V higher than output for proper regulation)
Input Current: 2.5A maximum
DC output voltage range: 3.0 – 26.5V
DC output current range: Limit is in Watts (20Watt)
Output Current: 2.5A maximum see Note below
Output Limits calculated as follow (Input Voltage V) * 2.5(A) * Effeciency
Effeciency is usually between 88 and 95% for 12V inputs, and 81% to 86% for 3.7V inputs and 5V outputs
Voltage Regulation: 0.5%
Full load Temperature 45°C ambient at 22°C
Size: 23mm x 50mm
By fitting a heatsink the continous output rating can be increased, but depends on the application.
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