All Questions
5
questions
1
vote
3
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206
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MCU Controlled Buck Converter IC
I am designing for an application where I need a buck converter that takes the voltage from a 2S Li-ion battery (6-8.4 V) and the load I need to drive is 0-6 V and will take 1.2 A max. I need to ...
- 113
0
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0
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78
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Can the MP9488 circuit be operated at 333mA output current?
I am looking to use the MP9488 as a buck Switching Regulator with a voltage output of 12V and output current of 333mA. In the application note it has an output current of 300mA.
As far as I understand ...
2
votes
5
answers
276
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I calculated the power loss of a switching regulator and it doesn't match the datasheet. Am I missing something?
I'm trying to figure out how On Semi's LM2575D2T-5G is only 77% efficient. It's the fixed 5 V output version of the component.
The datasheet gives Vin = 12 V and Iload = 1 A. Based on this, power in = ...
- 21
0
votes
2
answers
186
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Clarifications needed about buck converter output ripple voltage derivation
I have a question regarding buck converter output ripple. In the below figure, could you please tell me how the area shown in the red circle has a time duration of Ts/2?
- 2,593
0
votes
2
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607
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Does the body diode of the high side n-channel FET in a buck converter turn on during switch node voltage spike time?
A typical synchronous buck:
The normal switch node spike that people typically see when the high side FET turns on:
In the past i have been fairly negligible on this part. When the switch node spike ...
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