+5V 1.6A precision switching power supply circuit

  
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The +5V, 1.6A precision switching power supply circuit is as shown in the figure. This circuit increases the photoelectric coupler (CNY75A) and the adjustable precision parallel regulator (TIA31). R3 is the current limiting resistor, R4 and R5 are the sampling resistor. When the Vo changes, the sampling resistor will compare with the 2.5V reference voltage o..
+5V 1.6A precision switching power supply circuit - schematic




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