ADN8831 TEC controller - 24 Voltage Application?
Customer is are going to settle on 24V for system voltage. Weblink for the TEC chip (http://www.kryotherm.ru/modulez/down.phtml?filename=/dir2attz/Frost-74.pdf)spec. As you can see at dT=50C the...
View ArticleADM1270 Issue
hi sir I want to design the ADM1270 in my system, but I have two issue need to clarity before layout Q1.ADM1270 use the PMOS to be the switch, but PMOS cost Which expensive than NMOS, Why ADI use...
View ArticleADP2302/ADP2303; 4 layer PCB required?
Hello all: I'm considering revising a buck converter board that I've designed to use the ADP2302/3 devices instead. I've reviewed both the datasheet and the UG-189 eval datasheet...
View ArticleADP1046 changes the minimum frequency
Hi, sorry for my English, it is very bad. I have developed a half-bridge resonant AC-DC on ADP1046A and noticed the following issue. When changing the maximum frequency, the minimum is also changing....
View Article3.3v from ADP5090 + single-cell li-ion?
is it possible to drive a 3.3V load from an ADP5090 with a PV cell and a single-cell li-ion battery? I'm looking at VBAT_SD = 2.7V, VBAT_TERM = 4.1V, so BAT is going to swing above and below 3.3V. do i...
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ADM660 input switching noise
Hello, I'm trying to power an AD8052 opamp with a +/- 5V power supply. The positive +5V supply for the op amp is generated by an LM317 voltage regulator (the input is a 9V battery). While, the negative...
View ArticleSchematic for ADP5053 EVAL Board
Dear Sir/Madam, Can you send your schematic for ADP5053 EVAL Board?The following your schematic was bad picture so I cannot pick up the value and part #...
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ADuM3223 GND questions
Dears as we know ,the ADum3323 is the isolated half-bridge driver, in the Datasheet P16 , the SCH is as belowwe can see that, the GNDA is floating, can we connect the GNDA to a negative voltage,...
View ArticleADP151 Thermal Resistance
Hi, The thermal resistance Theta_JA of ADP151 in LFCSP package is inconsistent in page 5 (63.6 C/W) and 15 (>91.8 C/W) of the datasheet. Any clarification is appreciated.
View Articlehanges required for using ADP2300.
Hi,I am currently using RICHTEK -RT8258 for 12VDC to 3.3VDC stepdown in one our product. Now i would like to use ADP2300. But i can't change R1 &R2. From 100K and 32.4K to 31.6K and 10.2K. For EN...
View ArticleADum3223 for 2 Switch Forward Configuration
Hello,I want to design an offline two siwtch forward smps without using gate drive transformer.I wonder if i can use ADuM 3223 or another Analog IC to drive both High and Low Side Mosfets in this...
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Output Voltage of RESET pin of ADM811LARTZ
Hello support people, I have a question about the output level of ADM811L RESET pin.In the page-3 of ADM811 datasheet(Rev.G), spesification of minimum level of "high" output is wirtten as "Vcc x...
View ArticleI need positive and negative dc-dc converter
HiFor our one of Analog isolator project we need a positive and negative output dc-dc step down regulator.This positive and negative supplies given to a high precision op-amp so the output noise...
View ArticleHow can to fix netlist after changing symbol pin order?
Here is my netlist * C:\Users\ROSE\Documents\ADIsimPE\inst_amp.wxsch*#SIMETRIXV1 V1_P 0 5V2 U1_VS- 0 -5V3 V3_P 0 1V4 V4_P 0 0X$U1 V4_P U1_RG1 U1_RG2 V3_P U1_VS- 0 U1_OUT V1_P AD8220 pinnames: IN- RG1...
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ADP2108-3.3 Cannot deliver more than 200mA
I have two different boards designed for the ADP2108. After assembly, both boards seemed to be stuck at 1.0V output. The input voltage is supplied by 5V USB (measures 4.8V) with 1.0A output capability....
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 ArticleADP8140&ADD5211 Design Opportunity
Dear All:ADD5211&ADP8140 is ADI New Power IC parts for LED backlight App.I want to know the key differences ADP8140 and ADD5211 Where,I know one is Linear type,another is Switch type ,I will design...
View ArticleADN8831-EVALZ Gerber files
Dear Team, can you tell me where to find Gerber files of ADN8831-EVALZ ?Can you put link here? Thanks!
View ArticleADR03 Vout adjustment range
Hi All, One of my customers has one problem with ADR03 output adjustment range.Part of his circuit schematics is attached.As shown in the schematic, Vout adjustment circuit is almost the same as shown...
View ArticleLDO noise performance when cascaded from a buck in ADP5022
I want to cascade one LDO from one of the buck in the ADP5022, will the switching noise of the buck affect the LDO performance?
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