Navigating DCR Currents
Apr 17, 2015

Salutations to the eminent Doctor Fred A. Engleberry. One hopes this note finds you well. My power expertise is lackluster, I am ashamed to confess. I…

My Gates are Driving me Crazy
Feb 27, 2015

To: Dr. Fred A. Engleberry. I’m enroute to voluntary self check-in a mental health facility in the redwood forest where there are no electronics for m…

Up In Smoke: The Gnarliest And Most Effective Ways To Destroy A MOSFET
Oct 17, 2012

Dear Dr. Engleberry:
This might seem like an odd request, but I am trying to duplicate a field failure and I need to destroy a MOSFET in the harshest…

Pulling Up Your Gate Drive By Its Own Bootstrap
Apr 5, 2012

 

Dear Dr. Engleberry. I put a bootstrap capacitor on my synchronous buck converter and I understand its purpose, but are there design tradeof…

How Do You Stabilize An Unruly Boost Converter?
Mar 25, 2011

Dear Fred. Can I call you Fred? I hope so. Can you help me? I am trying to stabilize a boost converter, but it reminds me of my three-year-old daughte…

Adventures In Optocoupling
Feb 24, 2011

Dear Dr. FAE. You’re always going on and on (and on) about how smart you are…perhaps you’d like a challenge where I give you the answer-and you have…