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LTM4653 LTpowerCAD support?
The data sheet references to LTpowerCAD very often but my version of the tool has no support for that uModule, yet (v2.5.5, synced today). Do you have any information when it will be supported? Thanks...
View Articleneed check if buck circuit design correct -LTC3605AEUF
Hi Sir,We recently designed a buck circuit with AD device LTC3605A, which is a 12V to 5V circuit.We build 30pcs boards with two batches LTC3605A. (each batch LTC3605 build on 15pcs boards).Let's call...
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Power dissipation and settling time of circuit discussed in Linear-Tech...
I'm currently reproducing some of the circuits discussed in AN118 (High Voltage, Low Noise, DC/DC Converters). I have a variant of the circuit shown in Fig. 13 of that appnote on my bench. The circuit...
View ArticleLT3090 output voltage controlled by DAC
Dear Sir/Madam,I used the TPS7A3301 in an application where i adjusted the feedback voltage using a DAC. Vin=-30 and Vout=-27 to -28. It worked nicely however i ran into a problem with this part at...
View ArticleI need a dual multiphase (180) buck converter evaluation kit, preferably with...
I'm trying to increase efficiency of multiphase buck converters and need an evaluation kit. However, I need it to have the following properties. Needs to have a dual output, specifically either dual...
View ArticleADM2582E Technology Type
What kind of technology (I.e. CMOS, FET, Bipolar) does the ADM2582E use? adm2582e
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LTC1759: Adjust current at run time
Hello, we want to design a device with a ~14.4V/~100Wh Li-ion smart battery. It can also be powered from a AC/DC wall adapter or via power over Ethernet. We would like to be able to charge the battery...
View ArticleLTC4367 Reverse protection
Hi Analog and Linear experts,I have problem with reverse supply protection, at LTC4367.When I connect reversed supply to IN, at OUTput is measured negative voltage instead 0V.All others LTC4367...
View ArticleLTC6813: 4-wire SPI problem with DC2350A-B
We are trying to communicate with the LTC6813-1 on demo board DC2350A-B via 4-wire SPI from a 3.3V microcontroller host with 5V-compatible inputs.After addressing /CSB for 500µs, Vreg turns on for 2...
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Why LTC3805-5 restarts again and again?
I have the following circuit.The components with cross over them are not installed on the board.I have made two boards and made a few measurement of the boards separately. Here is the result.board...
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LTC4079 input resistor
Hey everyone, I have a power source providing a primary load with a lot of power, so like 300W(solar panel), the panel operates at 40V, from this source I'd like to pull a bit of power to charge a set...
View ArticleHow to calculate LTC3350 meas_cap (0x1E) value
How to calculate LTC3350 meas_cap (0x1E) value by using external test current resister (50 ohm)?336μF • RT/RTST per LSB RT=107K ohmRTST=1M ohm
View ArticleHow low can be CTMR in LTC4364 ?
Dear all, I'm using the LTC4364 in a circuit where M1 and M2 are the same MOSFET. When an inrush current is present, M1 gets damaged and M2 keeps intact. M1 damaged means RDS(ON) increases a lot and it...
View ArticleWhat is best SEPIC Controller Choice
Hello I am seeking advice on the best SEPIC Controller IC based on the following parameters. Output Voltage: 5VOutput Current: >=2AInput Voltage Range: 3V to 7.5V That's it. It is for a custom game...
View ArticleADP5300 Hysteresis mode noise
The ADP5300 shows/has higher output ripple and output noise in its hysteresis mode when compared to PWM mode. This affects the radio's performance. Are there any recommended filtering solutions for the...
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LTC3331 IPeak BB
On the LTC3331 there are 8 settings for the IPeak BB current. It is not clear to me why I would pick setting over another... what am I trading off? From the datasheet it seems that there is a...
View ArticleLT3741 - I am having issues with teh SW pin on the chip failing low impedance...
LT3741 - I am having issues with teh SW pin on the chip failing low impedance to GND when the input voltage exceeds approx 22V, is there a way of protecting. I have basically copied the circuit from...
View ArticleLTM4612
If 10u cap at Vd pin of LTM4612 is broken as short mode, how can i avoid breaking this device.
View ArticleLTC4011 an urgent question
Hi I receive an urgent question by our customer. His production will be started end of this month. The customer consider setting VAR of LTC4011 lower voltage than 1.26V. He is OK using additional...
View ArticlePCB of ADP5054 EVAL
Can you share the ADP5054 EVAL Board PCB, I need to reference for my design. Thank you very much.
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