PowerWise® Design University

Switching Regulators: Step-Down (Buck), Fixed Frequency

Research Assignement Answers

   
Q:

Vin=8V  Iout = 0.5A  Duty cycle =

A:

45%

   
Q:

Vin=24V  Iout = 0.5A  Duty cycle =

A: 16% 

 

Q:

Vin=8V Iout= 2A  Duty cycle =

A: 46%
 
Q: Vin=24V  Iout= 2A Duty cycle =

A:

16% 
 
Q:

Vin=8V  Iout = 0.5A Efficiency = 

A:

87.2% 

 
Q: Vin=8V  Iout = 0.5A  Duty Cycle =
A: 46.9%
 
Q:

Vin=24V  Iout = 0.5A Efficiency = 

A: 77.2%
 
Q: Vin=24V  Iout = 0.5A  Duty Cycle =
A:

15.5% 

 
Q:

Vin=8V  Iout= 2A  Efficiency =

A: 85.4%
 
Q:

Vin=8V  Iout= 2A  Duty Cycle =

A:

48%

   
Q:

Vin=24V Iout= 2A Efficiency =

A:

81.9%

   
Q:

Vin=24V Iout= 2A  Duty Cycle =

A:

15.7%