PWM Doubler/Quad Logic
IR3599/IR3599A
12V
PowIRstage
PowIRstage
PowIRstage
PowIRstage
PWM1
PWM2
PWM3
Quad
Mode
PWMØ1
PWM4
PowIRstage
PowIRstage
PowIRstage
PowIRstage
PWM5
PWM6
PWM7
Quad
Mode
PWMØ2
PWM8
PWM 1
PWM 2
PWM1
PWM2
PWM3
PWM4
PWM5
PWM6
PWM7
PWM8
Figure 8: IR3599 timing when configured in Quad mode (Industry Standard Tri-state PWM signals at input)
13
www.irf.com | © 2012 International Rectifier
July 02, 2012 | V1.8