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ADP2108 layout considerations (high frequency switching regulator layout...
Improper layout can cause some IC's not to operate correctly, as an example let’s use the ADP2108. The part has a 3Mhz fixed operating frequency. You will want to place the input cap, output cap and...
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ADP1047 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 ArticleSetting the cross over frequency
Hi, The other day I was asked by my collegue like that why the corss over frequency is set by one-ten of SW(1/10*Fsw).Actually I could not answer it logically. I usually go by the datasheet.(I know...
View ArticleADP5050 Eval Board Setting Issue
Hello, I have bought the ADP5050 Eval board and install the ADI SDP drivers already. But there is something wrong with my devide manager as compared with the user manual in page 4 figure 9. It doesn't...
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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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ADP3605
We're using the ADP3605 on one of our evaluations boards and we need to get a voltage of -5V. Seeing as our input voltage can go below 5V we're using the circuit shown in Figure 17 of the datasheet to...
View ArticleADP230X - Max operating voltage
Hello,keeping in mind the application of the ADP230X, in a non inverting configuration, to obatin -14.5 V from a +5 V power supply, the maximum operating voltage of 20 V is closer near and considering...
View ArticleADP5065, question for operations
Hi, Please let me ask you on basic functions of ADP5065, 1.25A USB charger. 1) When ADP5065 is under charging mode, is it possible to supply current to system load, from input current through VIN ? 2)...
View Articleadp5050&5052
Hello again, Thanks to your support and Meir Mardechayev from Phoenix Technologies we decided to use ADP5052 at our design... few more question: 1. what is the deference between ADP5050&5052 beside...
View ArticleFlyback solutoin
Hi there, I'm looking for a Flyback solution.Does ADI have any solutions about it?[Here is the condition]Input voltage is 24Voutput voltage is 5VIout=0.5ABOM size and Minimaizing board area is...
View ArticleADP2303, estimating DCM at Inverting Buck topology
Hi, When using ADP2303ARDZ adjustable output at Inverting Buck topology, actually 6V input and -(minus)5V output with 1.2A load, how do I estimate minimum(boundary) load value which is NOT going into...
View ArticleADP230X inverting configuration
Hello, The ADP230x_BuckBoostInvert_Release excel sheet for the dimensioning of the ADP230X regulator in the inverter configuration has some reference of the existence of a demo pcb, called PR1372...
View ArticleADP5050 Eval Board Driver and Software
I have the ADP5050 eval board and USB I2C cable connecting to the board. However, I do not have the installation software disc with drivers and Labview? I looked on the ADP5050 Wiki page which...
View ArticleADP3654 Datasheet discrepancies
Browsing the ADP3654 dual FET driver data sheet, I noticed some discrepancies. Thinking it was my interpretation, I then browsed the AnaDev site. Lo and behold, right at the bottom of the webpage is a...
View ArticleADM7150 Output Impedance vs Frequency
Hi, Are there any plots or measurements of output impedance vs frequency of ADM7150?
View ArticleADM7170, ADM7171, ADM7172 soft start
Is the soft start cap used to bypass the reference?Is there a max SS cap I can use?The description says also that SS needs to be left open when not used, but could the SS pin be used also as a REF in...
View ArticlePrecision negative voltage reference
Hi, In my project, which is a precision DAC source based on the AD5791 DAC, i needed +10V and -10V precision references. the +10V precision reference was generated using the ADR01 precision reference...
View ArticleNeed device part number?
Hi i observed one Analog device part in one circuit. i want to know the part number of that device, but I'm not able to identify the part number with that device marking info. Here im mentioned device...
View ArticleVoltage Level Translator for I2C
Hi All,My customer needs to perform a 3.3V to 1.8V voltage level translation for two I2C pins. The I2C communication is bidirectional and runs at approximately 400 kbps. Could you advise a voltage...
View ArticleADP198 Reverse Current Blocking Response Time
Hello, I have been looking at the ADP198 - 1A high side load switch with reverse current blocking - and i see that there is a specification for the hysteresis for when the reverse current protection is...
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