All Questions
6
questions
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3
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Difference between analog dimming and digital dimming an LED [closed]
I would like to understand the difference between analog dimming and digital dimming in LED drivers.
I went through this article where there is some difference indication on page 4, but I'm still not ...
user220456
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0
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185
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Is there a way to dim CCFL lamps in a monitor backlight?
I use 30 inch monitor Samsung 305t that uses 16 CCFL lamps as a direct backlight. The driver consists of 8 HV transformers, each of them running 2 lamps in series. Some info about the lamps:
As you ...
- 123
1
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2
answers
1k
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Adjustable current source 0-20mA for LED dimming
I have been searching through the site, but I have not been able find an answer.
I have an LED (rated for 14 mA at 24V, the LED is with built-in series resistor) that I need to be able to dim from ...
- 115
0
votes
1
answer
334
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Limiting the Current of a Constant Current LED Driver which is Driving a Halogen Bulb
I am powering a 12V, 35W halogen bulb with a MeanWell HLG-100H-20B constant current power supply. The "B" version of this power supply has a really neat dimming control system which lets one control ...
0
votes
1
answer
96
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LED dimming and modulating with two PWM signals
I have a need for an LED, driven by a constant current source, that can be smoothly dimmed and also semi-rapidly (say 2.5kHz) modulated for later bandpass filtering. I've designed a possible circuit, ...
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Would increasing regulator rating allow connected components to a system to not cause brownout?
Currently, I have several ICs connected in a circuit to a 6 VDC wall supply through a 7805T voltage regulator. The outputs of the circuit are LEDs and I also have a test point in my circuit in which I ...
user143136