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XL6019 adjustable voltage module

Overview

XL6019 is a monolithic integrated circuit specially designed for voltage boost and buck-boost. It can work in the input voltage range from DC5V to 40V, has low ripple and built-in power MOS. XL6019 has built-in fixed frequency oscillator and frequency compensation circuit, which simplifies circuit design. The PWM control loop can adjust the duty cycle to vary linearly from 0 to 90%. Built-in over-current protection function and EN pin logic level shutdown function.

Vin: 5V-40V
Vout: Vin-40V

The VOUT voltage can be adjusted by modifying R1 and R2.
The corresponding capacitor withstand voltage also needs to be adjusted
as follows: VOUT=1.25*(1+R2/R1).

Higher precision adjustment is required and the potential can be replaced. device

Design Files

QQ video20230528210535.mp4

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Update:2025-06-19 16:02:05

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