How do I calculate LDO (Low Drop out Regulators) efficiency?
How do I calculate LDO (Low Drop out Regulators) efficiency?
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ADP5050-EVALZ EVB Board User Guild Error List
Dear Sir:I've testedADP5050-EVALZ EVB Boardand reading"ADP5050_52 Demo Board User Guide - PrB" pdf file but found of ADP5050 User guild-PrB Page 15 SchematicandPage18 Bill Of Material (BOM)have...
View ArticleADP5050 For I2C Control
Dear All:The ADP5050 is PMU Power IC and have I2C interface from MCU can control it. I need realtime to control ADP5050 each output port actual voltage and current is how much and feedback to my MCU...
View Article60 - 400Hz inverter with a variable duty cycle
I would like to make a 12 volt DC to 240 volt 60-400 Hz inverter (sine, square or triangle) with a variable duty cycle, 5-30%. Resistive load. Efficiency is very important. Thanks, Ed
View ArticleADP1047 GUI
Does ADO1047 have any loading concern ? I setup 0.1ms to load ADP1047 I2C , It will shuntdown until the time up to 250ms !! Anything I miss ?
View ArticleHow do I calculate LDO (Low Drop out Regulators) efficiency?
How do I calculate LDO (Low Drop out Regulators) efficiency?
View ArticleADM8660, switched capacitor convertor, external capacitor selection
Hi, By looking Functional Block Diagram of ADM8660, for example, on the product web site, charge pump capacitor C1, and output capacitor C2 are assumed polarized (aluminum electrolytic ?) capacitors....
View ArticleADP1047 some questions
Hi , Got some questions , would you kindly help to reply me ? see the list as below . Thanks Current sensing ADC of current loop: Clear description, Gain? What’s the level shift current source?...
View ArticleMinimum Inductor Value of ADP2118
Hi everyone.I have a question about ADP2118.I'm useing ADP2118 in the following condiiton; Vin-5V, Vout-3.3V(Duty: about 0.7).But how should I caluculate Minimum vallue of INDUCTOR?I can't find any...
View ArticleTied LED driver outputs
Hi I would like to make sure.For example, ADD5203, ADD5211 were LED drivers of multi outputs.Can these devices tie the outputs to increase the driver current?These are just current source outputs, so...
View ArticleUsing ADN-8831 TEC driver with a 0.8V/1.8A TEC
Hello, I am very interested in using this IC to control an APD TEC that has maximum TEC ratings of 0.8V/1.8A. Looking at the specs of ADN-8831, I am guessing it can be used and I am thinking of...
View ArticleHow do I calculate LDO (Low Drop out Regulators) efficiency?
How do I calculate LDO (Low Drop out Regulators) efficiency?
View ArticleADP1047 some questions
Hi , Got some questions , would you kindly help to reply me ? see the list as below . Thanks Current sensing ADC of current loop: Clear description, Gain? What’s the level shift current source?...
View ArticleReducing EMI with shielding
I am trying to isolate my AD7794 converter from my microprocessor using the ADUM5010 and ADUM1311 isolators. The isolators would be placed on a separate board, which would be linked via a flat cable to...
View ArticleHigh-side current sensing at 120V
Hello,I am searching for a good idea to sense the current of 0 to 100 mA at a voltage level of 0V to 135V. The result should be a current to ground or a voltage respecive to ground. The first problem...
View ArticleLooking for advice about Digital Rheostat (AD5175)
Hello, -hopefully this is the correct place for this-I'm currently working on a project that, theoretically, uses a digital rheostat to control current passing to LEDs. For our circuit design, I plan...
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Considering Vout setting resistor for ADP2384
Hi, everyone.I'm looking at the output voltage setting section on ADP2384 datasheet.And there is one thing I don't really undestand well.Could anyone give me advice? Accodring to the datasheet, it...
View ArticleHow do I calculate LDO (Low Drop out Regulators) efficiency?
How do I calculate LDO (Low Drop out Regulators) efficiency?
View ArticleLDO noise performance when cascaded from a buck in ADP5022
I want to cascade one LDO from one of the buck in the ADP5022, will the switching noise of the buck affect the LDO performance?
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