Continue to Site

Welcome to our site!

Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.

Register Log in
  • Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.

Feedback loop equation for constant_off_time buckboost?

Status
Not open for further replies.
F

Flyback

Well-Known Member
Hello,
Please could you advise what is the Right Half Plane Zero frequency for the attached BuckBoost LED driver?
Its a constant _off_time controlled one.

Vin = 10V
Fsw = 119KHz
Dynamic resistance of LEDs at 500mA = 0.6 Ohms.
L = 47uH
Cout = 10uH
Duty cycle = 0.78
v(LEDs) = 34.65V
 

Attachments

  • bukboost.pdf
    33.2 KB · Views: 170
Last edited:
Status
Not open for further replies.

Similar threads

G
  • Question
Voltage follower with feedback resistor?
2
Replies
32
Views
4K
Diver300
D
A
  • Question
Buck (in CCM) equation adjust for voltage sag
Replies
4
Views
3K
ACharnley
A
Fluffyboii
  • Question
How to eliminate ground loop noise from USB for microphone circuit
2
Replies
25
Views
6K
Fluffyboii
Fluffyboii
F
  • Question
Train chargers only for laptops?
Replies
2
Views
720
ZipZapOuch
ZipZapOuch
Nigel Goodwin
  • Question
Microsoft Basic for 6502
Replies
9
Views
1K
Nigel Goodwin
Nigel Goodwin

Latest threads

New Articles From Microcontroller Tips

Back
Top