Three-output switching power supply circuit composed of LM2622 - Power Circuit - Circuit Diagram
The power supply circuit composed of LM2622 with three output voltages of 23V, 8V, and -8V is shown in the figure. The LM2622 is a 600kHz step-up PWM DC/DC converter that converts a 3.3V input voltage into three output voltages of 8V, -8V and 23V with an output current of up to 1.6A. Filters and low noise components can be used and the operating voltage can be as low as 2.0V.
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Hangzhou Qiantang River Electric Group Co., Ltd.(QRE) , https://www.qretransformer.com