补偿和测量为高功率 LED 供电的 DC DC 转换器环路

补偿和测量为高功率 LED 供电的 DC DC 转换器环路
Power Management Texas Instruments Incorporated




Compensating and measuring the control
loop of a high-power LED driver
By Jeff Falin
Senior Applications Engineer
A mathematical model is always helpful in determining the
Figure 1. Adjustable DC/DC converter used to
optimal compensation components for a particular design. regulate voltage
However, compensating the loop of a WLED current-
regulating boost converter is a bit different than compen-
VOUT
sating the same c