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Channel: EngineerZone : Unanswered Discussions - Power By Linear
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LTC1760 - How do I implement emergency power shut down mode and how do I...

How do I implement emergency power shut down in LTC1760. Once in the shut down mode, how do I recover from it?Can you kindly provide a circuit.

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ADIsimPE Sallen key low pass filter Bode plot

I was trying to simulate the Bode plot for a Sallen Key low pass filter (R= 10k , C= 1nF) . The filter was designed for a cut off frequency of 15.9 kHz.  The simulated filter response however shows a...

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LTC2928 CAS network in cascade connection

I designed the same circuit as one described in figure 1 of the datasheet.(cascaded  and supply exteded)In my circuit, E1,2,3,4 in the master is assigned to the time position 2,3,4,5 ,respectively and...

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LT8612

Hi I have a question LT8612I am seeing the standard application of the 5 V (3.3 V) step-down converter on page 18 of the data sheet.· Product number: LT 8612· Question: How can I set SYNC (1 pin) / PG...

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LT8302/LT8304 design

hello my new design condition:VIN=16~40VDC; vout=8V; IOUT=1.25A  ;topology:flyback isolated.please give me some suggestion or applications.I  calculated by LTPOWERCAD,  NP/NS_min=3.81;  NP/NS_max=13.1;...

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LTC7862

Is the spice model available yet?

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Enable Functionality on LT3045EDD

I am using LT3045EDD to generate 3.3V from a 4V supply. 4V input supply comes from a switch-mode regulator. The schematic is attached. I am not able to turn off the output completely using the EN pin....

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LT3840 SW absolute maximum ratings

About LT3840, How voltages is SW absolute maximum ratings?(Specially minimum voltage.)

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problem loading ADA4350 model

I am trying to do a simulation in ADIsimPE with ADA4350 and am having some problems. What I have done:1. Download ADA4350.cir  2. Drag it into the ADIsimPE welcome window to open "install or edit...

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ADN8831 Driving >4A

The ADN8831 eval board app note, AN-695, say it's designed for "medium power TECs (<4A current)". This part controls temperature by controlling voltage on an H-Bridge.  As long as we use transistors...

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What is the reason for the "C33" capacitor specification of the dc1653a...

 Hello, What is the reason for the "C33" capacitor specification of the dc1653a should be 630V? Thank you.

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LTM8049

I d need to output +24.5V and -24.5V from the LTM8049.The 24.5V output works fine but the -24.5V one is totally inoperative. All what I get is -6.8 V when setting up -24.5 V.294 kOhms is my resistance...

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LT8390A Fast Simulation Peripheral Parts Software Tool

Dear All:LT8390A have support ADISimpower Excel or LTpowerCAD simulation tool. this part many component to calculate &check . It's very long long a time to calculate ,If LT8390A support ADISimpower...

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LT3775 ADIsimpower/LTpowerCAD Tool

Dear All:LT3775 have support ADISimpower Excel or LTpowerCAD simulation tool.for DC1290A-A &DC1290A-B? ,LT3775 peripheral parts much to calculate a very waste of time. if support ADISimpower or...

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LTC3440 Schottky Diode

Hi I have a couple of questions about schottly diode requirements of LTC3440.Please take a look at the attached my questions and take care of this case. Regards,Kazu

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LTC4000

Hi I am planning to design using the LTC4000I'm thinking about connecting with the LTC3703, but are there any problemsRegarding DCDC's requestVIN: 5-60 VVOUT: 45 to 60 (maximum power: 200 W)* In regard...

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Need a LDO or DC-DC chip

Now i am using AD7190 for designing my hardware. It is recommended to use ADP3303 in the reference doc of AD7190 . But the ADP3303 do not meet my requirements. My requirements as below:  Input : 24 V...

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Simulation of LT3081

Hello,I did some simulation of the low dropout regulator LT3081 about the current limit. But no matter how I adjust the values and settings, the simulation values are always greater than the...

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LTC4020 In-rush damage

Hi, we are evaluating the LTC4020 Demo circuit (2134a) for a new SLA battery charger design.During initial testing the charger was working fine.At one point the LTC4020 IC became damaged and I am...

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LTC2946 RSNS Sense Resistor

I am using the LTC2946 device to measure and monitor the power, charge and energy into and out of a battery.To do so I intend to connect the battery output (+ve terminal) to a DC shunt, to produce the...

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