Quantcast
Channel: EngineerZone : Unanswered Discussions - Power By Linear
Browsing all 2027 articles
Browse latest View live

Image may be NSFW.
Clik here to view.

ADP1047 THD&PF

im looking for a pfc for a new applicationinput voltage: 380Vac to 440Vac 50Hz.output voltage: 700V. 750V is possible too.output power 2KW.switching freq: 200Khz.we dont want to use interleave...

View Article


LTC4418 Typical current capability

HiI am after a device that can control two power paths and switch between them seamlessly. The highest priority path is the 24Vdc derived from the AC-to-DC power supply. If this fails then it has to...

View Article


LTM 8067 output voltage error

Hi, My customers are considering using LTM 8067.So, I got the question. Is the value of min, max not specified for 2.5 V or 24 V of VOUT DC Voltage? Best regards,Yuya

View Article

Image may be NSFW.
Clik here to view.

ADP151AUJZ-1.2-R7 Part code information.

Can't to read part code ADP151AUJZ-1.2-R7. #ON what does it mean?  

View Article

LTC7003 Misbehaving

We are using the LTC7003 for 30V Switching application,  When INP level was low, Captured the plot in scope(TGUP_TGND_1 and TGUP_TGND2 ) at the point where TGUP and TGND are combined.Due to this...

View Article


LTC3545 ΘJC( Junction-to-Case)

Hi,My customers are considering LTC3545. In the data sheet, ΘJA is specified, but ΘJC is not listed. How much ΘJC's are there? Best regards,Yuya

View Article

LT8607 ΘJC( Junction-to-Case)

Hi,My customers are considering LT8607. In the data sheet, ΘJA is specified, but ΘJC is not listed. How much ΘJC's are there? Best regards,Yuya

View Article

LT8335 ΘJC( Junction-to-Case)

Hi,My customers are considering LT8335. In the data sheet, ΘJA is specified, but ΘJC is not listed. How much ΘJC's are there? Best regards,Yuya

View Article


LTM4644 enable problem

In one of my project, I am using LTM4644 Step-Down Regulator for FPGA power. I give 5V power to Vin from power supply and I want to get 1V2 – 2V5 – 3V3 – 1V8 outputs; 5V is given to RUN1 – RUN2 – RUN3...

View Article


LT3758 radiated emmisions test failed

Hallo, I designed a flyback power supply using the LT3758 who works fine. The only problem is that the radiated emmision test from the unit failes in the frequency range 30Mhz-100Mhz (see picture...

View Article

Image may be NSFW.
Clik here to view.

3119 boost simulation

I am trying to run SPICE simulation on the LTC3119. The objective is to evaluate solutions involving the MPPC functionality. My simulation appears to run correctly in buck mode (5V Vin, 3.3V Vout)....

View Article

ADM7171 EN pin short-mode

Hi, Is there possibility that ADM7171 EN pin could be shorted to GND due to an internal protection circuit?An our customer saw voltage of the EN pin was 0V even though their processor connected to...

View Article

LTC3617 Run Problem

Hi,I am using two LTC3614 and one LTC3617 in my application. You can see the block diagram of the circuit in the attachment as setup1 file. I am using a 5VDC external power supply for my circuit. In...

View Article


Active Voltage Positioning

Will Active Voltage Positioning effect Transient Response ?My customer believe the function for the voltage compensation.Active Voltage Positioning Reduces Output...

View Article

reliability data explanation?

hello, I download LTM4607 datasheet and reliability report but I can't understand  meaning of partial of reliability report.for example what's meaning of  "oldest and newest data code" "K device...

View Article


Can the full-bridge be paralleled?

I am designing a full-bridge control. 12v/50a.  It's looking like current mode control with a current doubler circuit.  My client asked if these bridges could be paralleled. I am looking at the LTC1922...

View Article

AEC-Q100 for LT / ADP

Hi, I am currently looking into the part like LT8610 & ADP1612. We found most LT components has automotive temperature "H" grade selection. However, we does not find any info regarding to AEC-Q100....

View Article


Image may be NSFW.
Clik here to view.

How to decrease measurement time for the LTC DC2259->LTC DC2259?

Hi all,  I am doing research for system ID for battery systems and I need to measuring a single cell voltage and set the  discharge state of the balancing resistor at rate of less than 1 ms. My current...

View Article

LTM8046 gnd isolation

Hi, I want to use LTM8046 in my application. My application doesn't need isolation requirement. So can I short i/p and o/p GND pins of LTM8046. Please clarify.   Amit

View Article

LTC3779 BUCK DESIGN

HiI'll try to design buck boost converter with LTC3779.Input voltage is from 100V to 140Vdc and Output is 110Vdc 300AmpsIs it possible to run it at 10Khz or 15Khz for IGBT?Or any other recommendation...

View Article
Browsing all 2027 articles
Browse latest View live


<script src="https://jsc.adskeeper.com/r/s/rssing.com.1596347.js" async> </script>