關(guān)于XL4016 PWM buck芯片的控制

ID:428204 · 發(fā)表于 2018-12-28 22:06

這是datasheet上的資料，求大佬看看這個(gè)芯片是怎么控制輸出電壓的
General Description The XL4016 is a 180 KHz fixed frequency PWM buck (step-down) DC/DC converter, capable of driving a 8A load with high efficiency, low ripple and excellent line and load regulation. Requiring a minimum number of external components, the regulator is simple to use and include internal frequency compensation and a fixed-frequency oscillator.
The PWM control circuit is able to adjust the duty ratio linearly from 0 to 100%. An over current protection function is built inside. When short protection function happens, the operation frequency will be reduced from 180KHz to 48KHz. An internal compensation block is built in to minimize external component count.

ID:149144 · 發(fā)表于 2020-6-20 23:12

VOUT = 1.25 * (1 + R2 / R1) 寫的那么清楚

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關(guān)于XL4016 PWM buck芯片的控制