The converter circuit diagram with MAX668

Published:2011/8/2 1:12:00 Author:Ecco | Keyword: converter, MOSFET | From:SeekIC

Figure shows the converter circuitwith MAX668, and MAX668 is a core component of the circuit, and it is a switching power supply integrated controller with PWM operation. The circuit shown in Figure 5 is a boost circuit which can switch -12V voltage into +3.3 V or +5 V. The RS in the circuit is sensitive resistor, which can limit the peak current to 12OmA, and N-channel switch MOSFET VT1 uses the low-cost devices with logic level.



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