adp3624 malfunction at about 1A
I developed a RC speed control for DC motors. It took me about 2 years to get it finished and recently it has been published in Elektor 2014 7/8 p104. The PWM pulses are generated by a microchip...
View ArticlePlease let me know about ADP223.
Hello, Please let me know about ADP223. Regarding the datasheet.5/14—Rev. D to Rev. EDeleted Paralleling Outputs to Increase Output Current Section and Figure 70. 1.Why is this sentence has been...
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How does ADM693 shift the watchdog-timeout to?
Dear Sir/Madam, As for your ADM693, our customer asked the following question to us.I could not catch the answer on your datasheet.So please let me know your comment. The watchdog timeout period is...
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 ArticleAD8336 with ADISimPE
I'm trying to simulate a circuit with the AD8336 variable Gain Amplifier. I’ve downloaded the SPICE file from AD, and used the ADISimPE to create macros file. It seems that the AD8336.cir file can't...
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I have a small query on ADP5585?
Hi Team, In my product I am using ADP5585 KP controller IC and my circuit is like below figure, now my query is, 1. I am not able to read R0xC0 configuration?2. is nINT pin always shows high? and I...
View ArticleMOSFET driver without isolation for half-bridge topology
Hi, I'm looking for MOSFET driver of ADI without having isolation function for half-bridge topology. For example using ADP3654, do you have any example circuitry showing how does it connect to half...
View ArticleCurrent Source for LASER diodes
Hi, I am looking for a current source for the LASER diode. I want to increase the input current to the LASER in steps of 0.1mA. Current requirement for my LASER is in the range of 25-45mA.Can anybody...
View ArticleADM1075 DEVICE ADDRESSING
HelloIf would like to use ADM1075 usage 5 in a system that means I should use ADM1075-1 , ADM1075-2 in the same time here?As I checked the datasheet that information belowDEVICE ADDRESSINGThe ADM1075...
View ArticleLi-Ion battery Charger
My application is to use a Li-Ion battery as a backup to the main power. This means that 99% of its life will be at full charge. When the main power is removed I need the battery to take over. I...
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Inquiry of ADP505X Design Tool
My customer is trying to use the ADP5054 to the following conditions:Vin : 12VVOUT1 : 5V / 3.5AVOUT2 : 3.3V / 3.5AVOUT3+4 in Parallel : 2.65V / 2.8AAmbient Temp(Max) : 60 degC So, she worked design...
View ArticleI want to simulate with ADR3540.
Hi! I want to simulate with ADR3540 but ADIsimPE has ADR3525 only.Can you teach me how to simulate with ADR3540? Best regardsKawa
View ArticleADD5205 specification Fig9
Hi We would like to know the horizontal axis of Figure-9.20mSec/div?Fig-10 to 13 were also missing those data. Regardsmoto
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Simulation using AD8336, AD736 and AD8551 spice models in Pspice
I have this circuit to be simulated in Pspice. I'm a complete newbie to it. But so far have managed to make the schematic (adding external components, which were not available already in the...
View ArticleADP7182 figure 62 Error??
The ADP7182 data sheet shows that Vout = -15V ADJ NR (noise reduction) is worst than Vout = -15 ADJ. Are the colors in the graph reversed? It seems to me that the noise reduction circuit should have...
View ArticleADP5050 External MOSFET
Hi All, I am looking at the ADP5050 5 channel buck converter, and I have a question regarding the external MOSFET.Going thrugh the datasheet, I find it the need for an extarnal MOSFET unclear. The...
View ArticleAD9706 OTCM pin powered from ADP223 LDO
We have a development card using 2 x AD9706 DACs to drive a zero-IF IQ modulator that requires a DC bias of 1.15V. We have set the full scale current to 5mA (Radj = 6.45K). We have set the OTCM to...
View ArticleADR444 Incorrect Output Voltage
I am trying to use the ADR444 as a 4.096V reference for the ADAS3023, using the AD8031 as a buffer, as suggested on the ADAS3023 data sheet. The ADR444 is giving about 4.3V, which is dropping to 4.2V...
View ArticleAD8336 with ADISimPE
I'm trying to simulate a circuit with the AD8336 variable Gain Amplifier. I’ve downloaded the SPICE file from AD, and used the ADISimPE to create macros file. It seems that the AD8336.cir file can't...
View ArticleAny recommendations for ceramic capacitor size to avoid cracking?
I have encountered two independent cases of ceramic capacitors cracking during PCB assembly. Both cases used pick and place machine and lead free solder. The first case was using ceramic capacitors...
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