Datasheet

 2011-2013 Microchip Technology Inc. DS70657G-page 31
dsPIC33EPXXXGP50X, dsPIC33EPXXXMC20X/50X AND PIC24EPXXXGP/MC20X
FIGURE 2-5: SINGLE-PHASE SYNCHRONOUS BUCK CONVERTER
FIGURE 2-6: MULTI-PHASE SYNCHRONOUS BUCK CONVERTER
k
1
Op Amp/
Comparator
k
2
k
7
PWM PWM
ADC
Channel
ADC
Channel
5V Output
I
5V
12V Input
FET
Driver
dsPIC33EP
k
5
k
4
k
3
k
6
k
7
Op Amp/Comparator
Op Amp/Comparator
ADC Channel
Op Amp/Comparator
ADC
Channel
PWM PWM
PWM
PWM
PWM PWM
3.3V Output
12V Input
FET
Driver
FET
Driver
FET
Driver
dsPIC33EP