All Questions
Tagged with semiconductors power-supply
8
questions
0
votes
2
answers
161
views
Purpose of Schottky diode in this schematic
I have come across the power supply management section used in the Verdin Development Board, addressing overvoltage, undervoltage, overcurrent, and reverse voltage protection.
While I understand how ...
3
votes
3
answers
590
views
Does body diode reduce MOSFET switching loss in a power converter?
In power converters, it is common that MOSFETs are fed a PWM signal to have cyclic switching. Part of the power is lost in the process. Does the body diode reduce this loss? It seems most power ...
0
votes
0
answers
100
views
Gate Current Calculation and Practical Mosfet Selection
Vnoo3 is the drive voltage, and Ig is the gate current. What I am wondering is:
1) How to calculate the peak Ig on the rising edge of the pulsed gate voltage? For instance, using the spice image ...
33
votes
3
answers
10k
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Why would a Intel 8080 chip be destroyed if +12 V is connected before −5 V?
The Intel 8080 is a classic microprocessor released in 1974, fabricated using an enhancement-mode NMOS process, and shows various unique characteristics related to this process, such as the ...
1
vote
2
answers
519
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Where should I put a 3.3V Voltage Regulator?
I've stumbled across lots of schematics and one thing that I find is almost never consistent is where a certain regulator should go. I'm going to be using the LM1117 series. Should the 3.3V regulator ...
2
votes
1
answer
467
views
Identity and advice on replacement of SM diode
I have a Sonos Play:3, which is past its warranty. I dismantled it to find it has the well documented fault with a blown capacitor. However, there is also damage also to one of the surface mount ...
2
votes
1
answer
195
views
Memory Power Supply
Kindly any one give the clarification on this.
While going through a DDR Memory data sheet, I have found two (more than that) power supply pins.
What is the necessity of this DLL power supply ...
5
votes
1
answer
198
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How power system is designed for extreme small system, such as google contact lens?
I just read this news and got very curious: http://www.takepart.com/article/2014/07/23/goodbye-finger-pricking-how-googles-smart-contact-lens-really-helps-diabetics
Google is designing "Google ...