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

ADM8845 backlight LED driver consumes too much current

Hello, we are using ADM8845 as backlight LED driver for two series LEDs in a small dotmatrix LCD. Unfortunately, there are some ADM8845 ICs which have too high current consumption (about 75mA) despite...

View Article


adp5050&5052

Hello again, Thanks to your support and Meir Mardechayev from Phoenix Technologies we decided to use ADP5052 at our design... few more question: 1. what is the deference between ADP5050&5052 beside...

View Article


ADP5050

Further to my prev questions: I want to synchronize the IC with 4V 500Khz clock with variable Duty cyclewhat is the mode of sync? falling edge or rising edge?.

View Article

Typical standby power

How to calculate Typical standby power?? Is it applicable for all analog devices???

View Article

ADP1048 eval board questions

I just started trying to hook the ADP1048 demo board up, and I think I’m missing a setup file.  I using the file found here:...

View Article


ADP2302 not starting up.

With the ADP2302, I am encountering a problem where the device does not begin operation, does not turn on, about 2% of the time after the power switch is flipped. The max input is +16.5V and implements...

View Article

Need device part number?

Hi i observed one Analog device part in one circuit. i want to know the part number of that device, but I'm not able to identify the part number with that device marking info. Here im mentioned device...

View Article

ADM8845 backlight LED driver consumes too much current

Hello, we are using ADM8845 as backlight LED driver for two series LEDs in a small dotmatrix LCD. Unfortunately, there are some ADM8845 ICs which have too high current consumption (about 75mA) despite...

View Article


ADP160 drop out not meeting specs when testing EVAL board

I recieved this question from a customer that is testing the ADP160UJZ-REDYKIT   I installed the 2.8V regulator (that was what all the bags were about – the different voltage value regulators – needed...

View Article


Power Up Sequencing using Enable Pin

HiFor our application we want to use yours ADP5024 and generate delay Between BUCK1 and BUCK2 Enable pin's.As mentioned in the data sheet those pins are active logic level high  with Vih of min...

View Article

ADP8140 fault detect

Hi,  I am working with the ADP8140 LED driver.  Would like to understand the following.   Understand that ADP8140 support up to 4 channels of LED.  If one of LED strings has a fault detected(eg:...

View Article

Image may be NSFW.
Clik here to view.

ADR3450, increase output capability

Hello friends, I need around 15-20mA stable 5.000V reference for powering A1301, a ratiometric hall sensor. Since the project has low budget, I choose ADR3450 and plan to increase output capability...

View Article

About ADP2164

Hi,  I have some questions about ADP2164.In my system, it requres to use different power rails for VPIN and PVIN like the attached file.These two inputvoltage are not applied to ADP2164 at the same...

View Article


ADP2370 EN pin

Regarding the ADP2370 "EN" pin; in the datasheet for the typical application, it is not shown to be connected anywhere but I assume it should be connected to the Vcc. I just wanted to confirm. We are...

View Article

Need power management solution

Looking for power management solution for following Vin range (dc) 18V to 30VVout = 28VIout = 0.5A 1) Improve efficiency >80%2) small footprint

View Article


Image may be NSFW.
Clik here to view.

ADP5050/52 EVB Board PCB Layout File Or Gerber File

Dear All:I am very like  ADP5050/52 EVB Board design,I want to follow the way of ADI EVB board layout to design my PCB, can you release ADP5050/52 EVB Board PCB Layout file or Gerber file to me? Thanks...

View Article

ADP2384/86-EVALZ Gerber file for ADP2384/86

Dear All:Can you provide  the gerber files for the ADP2384-EVALZ And ADP2386-EVALZ ? Thanks. Best Regards,

View Article


RPG of ADP7102

Dear Sir/Madam, I have a question for your LDO ADP7102. If I do not put 100kohm RPG resister as your Fig.62 page-17 data sheet, then is the output voltage larger than designed value as formula...

View Article

ADP2381 EMI

Hi All,            Could you tell me,how to reduced this IC(ADP2381) EMI? thanks!

View Article

Current stability of ADN2830?

Hi everyone, Does anyone know what the current stability is of the power controller ADN2830, when operating to control constant current, rather than constant power? Here is my application:  We'd like...

View Article
Browsing all 2027 articles
Browse latest View live


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