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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...
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12V / 6A Power supply. Help with Buck and Boost converters + OR'ing circuit
Hello all.I would like to receive some suggestions of ICs / considerations about this design.The picture below states how this power supply should work. Details:1) IC 1 probably will be a LT3650-8.4...
View ArticleADP198, maximum of RDSon, VOUT time and VOFF time
Hi, We are now evaluating ADP198 LFCSP package for load switches.Could you please show us following specs which we could not success to find out in datasheet ? a) maximum value of RDSon, when 2.5V,...
View ArticleHow do I calculate LDO (Low Drop out Regulators) efficiency?
How do I calculate LDO (Low Drop out Regulators) efficiency?
View ArticleADR441 - Additional Noise Data Requested
Good morning. I have a customer currently using the ADR421 as a voltage reference in multiple projects. The spec on this part indicates 1/F noise of 1.75uV and noise of 80nV/√Hz @1KHz. The noise...
View ArticleADN8831 for 16V/24A TEC?
Hi, I am looking for an TEC controller wich can drives 16V and 24A. I found ADN8831 and now I am asking myself, can I use this driver? Perhaps somebody can give me an advice. Best regards,Jürgen
View ArticleADuM32XX in bipolar application
Can the ADuM32XX family be used to switch -/+5V by a -2.2/+2.8V signal? I am trying to AC excite a bridge sensor for use with an AD7730 at +/-5V. The datasheet seems to indicate so, but just want to...
View ArticleADN 8831 TEC evaluation board
Hi Does somebody know the maximum output current possible on the evaluation board ? Is it +/-4 A or simply absolute 4 A. Thanks a lot for the help. Vincent
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 ArticleADP1753
Hi, What is the Thermal Parameters of ADP1753ACPZ?I need Psi_jt value. - This question rewrote.- Sorry, Psi_jb was found in datasheet. Best Regards,Tar-Bow
View ArticleADP190 maximum input voltage
Triggered by functionality and dimensions of the ADP190 power switch it suited well in my design. However, I see a drawback regarding the maximum input voltage: 3.6V, and according the datasheet 4.0V...
View ArticlePower ICs numbering scheme
Dears, Have Switching Regulator or power IC coding principles?We could quicklyrecognizethedevicefunction, thanks,Kevin
View ArticleADD5211 LED Driver SPEC. Issue
Dear Sir:I study ADD5211 LED Driver now. check ADD5211 PrA Datasheet have may question. pls see below. thanks Q1:The Figure 2. "dimming control". This function how to control it? not have any...
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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...
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How about the duty cycle maximum parameter when I use ADP1047 for 650w PFC stage
I do a PFC stage for 650w which use ADP1047 switch freq = 60KChoke = 370uH When I checked the duty cycle during the VAC pin valley @Vin=230VWhy the duty close to 95% ? Is it right ? (see the attachment...
View ArticleHigh Voltage Input ADM1186
Dear All:ADP505xandADM1186are verysuitable for use inFPGApower system. The ADP505x input voltage range: 4.5 V to 15 V. / ADM1186 input voltage range: 2.7 V to 5.5 V. If the system power outstrip +5V,...
View ArticleADP160 Photosensitive?
We have some ADP160 1.8v regulators in a gps receiver design and were puzzled when the bare receiver boards were failing when tested outside. After extensive investigation it would appear that the...
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how do i decrease Iq with adp160
Hello Sir,i have designed a power supply circuit based on ADP160AUJZ-3.0, the circuit diagram is belowPWR_BATT is Vin = 4.5VPWR_RTC is Vout = 3.0V The result is:1. when load current is 3uA, Iq = 87uA2....
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