Negative voltage converter to get -5 to -15V voltage from +5V power supply
Source: InternetPublisher:supremeOne Keywords: Power supply voltage converter BSP FET Updated: 2020/04/04
The internal composition of converter JC (MAX634) is shown in the circuit circle. The conversion
frequency has nothing to do with the load, and is approximately kHz (when CI= 47pF). The inductance
conversion is performed by the Pch MOS FET , and the induced voltage during disconnection
is rectified by the diode Di for negative voltage rectification, because the reference of 1.25 is used. Voltage and feedback terminal P, I
,
so - voli = 1.26
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