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This transformerless voltage Converter is designed to power various electronic devices voltage of 25...30 V with a current consumption of up to 70...80 mA from the vehicle electrical system voltage 12 V.
The principle of operation Converter is clear from the scheme shown in Fig. 4.55.
The multivibrator transistors with a powerful output produces pulses, the incoming voltage multiplier with stabilization. Frequency generation multivibrator 10 kHz.
Author: A. P. Seman