ADP5090
I am working with ADP5090 -2-EVALZ to generate voltage using Teg(SP1848) as a input source. The issue i am facing is with Cold start voltage i.e 380 mV ,the output only generates if my TEG provides...
View ArticleLTM8065 VOUT CALIBRATION
I'm trying to fine tuning "vout" of ltm8065 by changing the value of Rfb.Is this the right approach?Thanks
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LTC4020 and microcontroller ground connections
Hello, We are working on a project which uses the LTC4020 Multi-Chemistry battery charger. Additionally, the design includes a microcontroller ( NXP KL25Z) to provide additional outputs and...
View ArticleLTM8049 output stability
Hi, I want to use the LTM8049 to generate 6.3V and 4.3 V from a 12 V input. According to the LTM8049 datasheet, a very large output capacitor is required for the lower output voltages.At the moment I...
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LTC1695 operation temperature question
HI,good day!my customer want to know datasheet definitionas belowabout operation temperature range and Junction temperature definition a. Does operation temperature mean like room temperature or PCB...
View ArticleLT8301 negative voltage
Hi, I would lilke ot know the negative voltage supported by the LT8301 input. The datasheet indicate the absolute positive voltages, but not the negative. Thank you in advance, Morgan
View ArticleADP5014ACPZ
How to configure 2V from ADP5014ACPZ PMIC IC. Since this is not mentioned in the DATA SHEET.
View ArticleHART compatible with LTC1474
Hello,I'm using LTC1474 in an industrial aplication that I would like to discuss. The main ideia is to generate DC supply to a industrial equipment from a 4-20mA current source. In this application,...
View ArticleLTM8064 shows small output voltage error (voltage drop) under load. What is...
I have 3 of them in a load sharing circuit. Under modest loads, everything it OK, but when I increase the load to ~3.5 - 4 A, there is a slight (~3%) drop in output voltage. That seems a little high...
View ArticleMorePower
I hear an LT3753 be used to give 250 W output or more by stacking transformers. Is there an app note or anything for this?
View ArticleIs the LTC3115-1 thermal shutdown meant to protect the chip?
Is the LTC3115-1 thermal shutdown meant to protect the chip from excessive load or short circuit? Thermal shutdown occurs at ~165°C, but the absolute max is 125°C or 150°C depending upon the package.I...
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How do I submit a bug against LTspice XVII?
I'm using the latest version of LTspice and found that switching between simulations does not work well anymore. If you switch between simulation types the information from your last simulation gets...
View ArticleADP7157 Giving different reference voltages
The ADP 7157 is being used to create a 2 V output. The problem that arises is that Vref is around 2.9V which should be 1.2V. The output voltage is also seen to be 0.5V. The potential divider is working...
View ArticleLT3585
Hi I am planning to use LT3585 for a Flash driver power supply in my new camera design. But i could not locate the switching transformer . Suitable parts are obsolete in mouser/digikey. Can...
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Question about TON_DELAY of LTM4676A
Hello, My customer is consodering to use LTM4676A and ask some questions about TON_DELAY value.They say that they don't change any register values, so TON_DELAY is a default value which is 0ms...
View ArticleLTC4418 undervoltage
Hello, I am using a USB input into the LTC4418, and set the undervoltage/overvoltage resistors such that the V1 is only valid between 4.5 and 5.5V. The problem is, when I turn on my downstream load V1...
View ArticleADP5052 LDO help needed
The datasheet does not give any information (that I can find) on setting the output voltage of the LDO channel. There is a few examples but I can not get the numbers to come out right. I am wanting...
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Higher voltage not achieved with LTC 3757
Can we get +/-70 V in the dual voltage output circuit using LTC 3757 below (Page 32 in the link). When we tried the circuit, we could not achieve more than +/-17 V by increasing the resistance R2=6.2K....
View ArticleWill the LT4356-3 still function if OUT is left floating?
I am curious to know what would be the effect of leaving the OUT pin floating on the LT4356-3. The resistor divider for the FB pin has been selected and so has the current sense resistor. Will this...
View ArticleCan I disable the EN pin to cycle power on rails individually during failure...
I am planning on using the ADP5054 in my MPSoC design. I am wondering if I can disable the EN pin to one of the regulators via a micro controller to reset the rail in the presence of certain failure...
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