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Channel: EngineerZone : Unanswered Discussions - Power By Linear
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AD5522 SDO in 3-state/hi-impedance?

HelloCould you clarify more regarding the SDO pin? When is the SDO pin in tristate? What is the SDO pin state when the sync/ signal is in “high” level? From the spec table we can see a tri-state...

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M38510/12801BGA

hello, Please I want to ask about the Lifecycle status for this part M38510/12801BGA ? Regards,Ehab

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ADP1613 high noise on output (400mVpp)

Hello, I designing a power supply +5V and -/+15V with ADP1613 and ADP1614 (+/-15V) for ADAS3022 and DAC LTC2668 from Linear Technology. I use ADP1613 to generate 6.5V from 5V input, then I use LDO to...

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ADM1191 application question

Hello,We would like to design the ADM1191 for POL power monitor application.So far I have three question for this schematic1. SETV pin, if we dont need to setting the alertb, may I floating this pin or...

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ADP5052 maximum output voltage when PVIN 5V for channels 3 and 4

I created a custom board to test the ADP5052 buck regulator.The output voltage for the stages I want is good except for 1 channel which does not correctly work untill the input voltage is more than 5V....

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ADP5071 - Maximum Output Currents?

Data sheet maximums say 2.0A positive output and 1.2A negative output, but the ADi Designer (Excel) will only allow 0.9A positive and 0.3A negative ( /-18V out, +12V in, 65C). What am I doing wrong?

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adm1278 FET power limit and design tool

Hello,In the datasheet of ADM1278, there is a equation for FET power limit, it's a little bit confused about the unit. I think it should be power, but what does mean 8 and 50 in the equation? I also...

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ADP5589 question

Dear Sir,ADP5589 have driver for windows10 mobile?ADP5589 have EVM document? Thanks.

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ADM1178 - Can it be turned on and off via I2C?

Hi,We are planing to use the ADM1178 Hot swap controller in a new design and want to control it fully via the I2C interface. The Datasheet does not provide enough information if this is possible....

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ADP1613 and ADM7150 layout suggestions

Hello,  I'm designing a power supply for data acquisition device which needs clean 5V. I decided to use ADP1613 and ADM7150 ICs to get 6.2V from SEPIC DC/DC converter and 5V from LDO. Power requirement...

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ADM8614 power up question

What behavior should I expect when the ADM8614 is powered up with the WD_DIS line high?   I'd like it to star the WDT function when the WD_DIS line goes low.  My real problem is that the reset period...

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ADM1278 IBIS model request

Dear Sir,    We need IBIS model of ADM1278 for simulation. Could you provide it to me? Thanks!

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ADP5071 layout data

Hello Our customer will use ADP5071 and is evaluating EVAL-ADP5071.He requests that brd file of EVAL-ADP5071 for design referrence.Please give me  its brd file . Regards,Terumasa

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ADP3303 No regulation

Hello. I am connected linear regulator ADP3303 like in first cheme in datasheet, but it didn't work. I tried everything, changed 3 ADP3303, But it's still have output voltage the same as input. My...

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Different of ADUM7223

Are the IC ADUM7223ACCZ, ADUM7223BCCZ, ADUM7223CCCZ the same?or what's different ??

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IC required for power supply management for a development which is generic...

Please could you let me know the best IC for power mangement in a generic development board.Which should supply multiple voltage, current sources. Voltage measurement etc etc.

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output error when using ADP5054,PLEASE HELP!

to be simple,i have designed one circuit according to adp5054 ref,the setting as follows:input:12voutput:mode:FPWMfreq:600khzch1:1.2vch2:1.4vch3:2.5vch4:3.3vthe circuit as follows:and now a part of...

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ADP7182 adj issue

Hi there,We are using ADP7182 and trying to adjust Vout to -1.8V from -25V input but currently we only can get about -2.5V output with Resistor 60.4KOhm and 110KOhm. any suggestion on this? Thank you.

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different result's between ADIsimPE and Diff Amp Calculator!!!

hi every one.I have some issue's with this soft ware's...I am designing a single ended to differential converter with AD4940.the Diff Amp Calculator shows that Band Width of circuit is 24Mhz but with...

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ADR444BRZ output voltage decreased with increasing temperature

Hi, we got a problem when using ADR444BRZ, the output voltage decreased with increasing temperature. Attached pleased find the circuit diagram we used. It has worked well for 4 years, but now we find...

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