ADR444 reference design for noise reduction?
We need reference voltage of 4,096V with the lowest noise. We try ADR444 + output filter+pA low noise buffer amplifier. Beforewe start countingandbeating adeadpath,you do not haveaappnoteor...
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Regard to the design of ADM1177
I have questions regarding to below document.http://www.analog.com/library/analogdialogue/archives/42-05/hot_swap.htmlAt "design example" section;1, "Itrip=30A" value is referring to the Id value of...
View ArticleADP2303 inductor question
Hello, Recently I made a buck converter with the ADP2303 5V fixed output using the circuit given in the ADP2303 datasheet. Input 12V, output 5V. Components are as recommended by the datasheet, except...
View ArticleADP1047 using for DC/DC
Hello, could the ADP1047 be used for DC/DC design? I want to design a SEPIC controller like this one: http://www.analog.com/static/imported-files/application_notes/AN-1126.pdf The requirements are as...
View ArticleADIsimPE How do I check the number of node
Hi All, Because of existing the limit of the number of node, I'd like to check it on ADIsimPE.Is there any function to count current node? Regards, TM
View ArticleAD8280 - Hysteresis on OV, UV and OT Trip Points
Hello, I'm using the AD8280 in a Lithium Polymer Battery Pack Monitoring System as safety device (together with the AD7280A device used as main monitoring device).While testing the system functionality...
View ArticleCan adp1048 manage of output voltage?
I lean adp1048 (ADP1048 600W Power PFC Evaluation Board | Analog Devices) chip. And I can not understand based on documentation - can adp1048 on eval board or without it manage of output voltage...
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ADM7151 doesn't turned off totaly. Why?
Hi, I'm using the ADM7151ACPZ-04-R2 regulators, in several places, in my board.One of the regulators is designed to generate 5V_VCC, from 6V input.When EN is high level (3.3V), regulator produces...
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Noise analysis
I am using ADIsimPE to simulate an 1st order filter using a AD8646. I am interested in the output noise, but I am having problems making the simulator work. I have followed the instructions in "Help"...
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ADP5090 Bettery Mode
Dear All: If ADP5090 no voltage VIN Input into, at this VBAT Pin have 4.2V,1200mA/HR lithium-ion battery, available provide to VSYS working power, VSYS will within a few volts? if VSYS need a...
View ArticleADP 5052 Power On
Hello, I am DFAE at Phoenix technologies n Israel. Ohm power, one of my customers, has a question regarding to ADP5052. They are using channel 2 as 3.3V(1.5A) with the following parameters:current...
View ArticleUsing the ADP2384 on a test board
I am designing a Final Test board and am planning on using the ADP2384 to provide the 2.5V supply for two ADN4612 matrix switch devices. I have used the ADIsimPower tool to design the regulator circuit...
View ArticleVoltage regulator for a low power solar cell
I need a voltage regulator circuit for a 5-20 watt solar cell to maintain a 24 volt battery in a remote location. The cell(s) will put out up to 45 volts in full sun. I would like to maintain a float...
View ArticleADI Hot-Swap Current Shunt Resistors Select
Dear All: I encountered a problem right now, Likeall current shunt resistors-surface-mount type,0.5mΩ why some manufacturers ' products in our PCB Board normal movements. why some manufacturer's...
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ADP1047 300W Evaluation Kit
Dear All: I now try to operate and test ADP1047 300W Evaluation Kit (ADP1047-300-EVALZ), PRD-1334 V1.3 document Page2 VIN Typ. 115 or 230, Efficiency@95%, but this document not have any Efficiency test...
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 ArticleADP5065 battery current
Using the ADP5065, what is the current consumption from the battery when Vin=0 (isolation FET conducting)? I see a spec for "Battery, Standby" in the current consumption section of the datasheet, but...
View ArticleDoes the ADP5050 simulator accept user selected device?
Hello All, My customer is planning to utilize ADP5050 in his new design.In this new design, he wants to maximize power efficiency. For estimating the power efficiency, he is trying to use the ADP5050...
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ADP1051 Evaluation Board Transformer & Inductor SPEC.
Dear All: I tried looking for detailed specifications at the ADP1051 EVB Board’s Planar transformer and Planar Inductor, ButUG-664documentPage 41 T2-Planar transformer and L2 Planar...
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ADP5090 SPEC.
Dear All: ADP5090 Datasheet Figure 24 "RE" is the kind of indicator, why have this one "RE" parameter? the key feature why? how can I calculate the "RE" values can you provide a formula to my...
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