1+1 separated switch power supply module
A switching power supply, split structure technology, applied in the direction of adjusting electrical variables, instruments, conversion equipment that can be converted to DC without intermediate conversion, etc., can solve the problems of no indicator light, short life of high and low voltage components, and complicated wiring Achieve the effect of solving the influence of high temperature, prolonging the service life and wide application range
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[0012] The two module motherboards of the present invention are respectively encapsulated in two shells. The A module and the B module of the split structure are connected by multi-core flat cable two-end connectors (CZ1, CZ2), and the power is turned on when in use, (R6 ) Charge (C1). When it reaches a certain voltage, the integrated circuit (ICI) starts to work. The output pulse pushes the switch tube (Q1) to turn on and off, and the pulse signal is fed back through the transformer (B1) and the DC blocking capacitor (C9) To the secondary pole, one way is rectified by diode (D3), filtered by capacitor (C2), transistor (Q2), bias resistor (R3), voltage regulator tube (D2), after voltage stabilization, provides power required for integrated circuit (IC1) operation .
[0013] The other is through (D4), (C3) voltage stabilization sampling, potentiometer (W1) adjusts the stable voltage, voltage stabilization, shutdown, and protection signals are fed back to the integrated circuit (IC1...
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