LT3042 PG pin maximum current
What is the maximum current allow through the open collector PG pin? Nothing is stated in the datasheet. It looks like 100uA has been used for curves and examples.
View ArticleLeave regulated outputs of LTC3554 floating
We're evaluating the LTC3554 for our next design. We need a well-regulated 3.3V, running of a LiPo battery (one cell). The circuit must be able to switch seamlessly between battery supply and charging,...
View Article(ADP1046W)CONSTANT CURRENT MODE
Hi ! Our customer are trying to use AD1046.They want to use "CONSTANT CURRENT MODE".Can they use "CONSTANT CURRENT MODE" without shunt resistor which is on secondary side?I think it is impossible.They...
View ArticleLT1962EMS8-2.5#PBF
I am performing a Pinsky Analysis to determine the risk of Tin Whiskers for the application we are utilizing the referenced component in. I need to know the plating process(electro-plated,...
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ADM106x AUX Inputs
What is the practical limit for measuring voltages on AUX1 & AUX2 pins for the ADM106x family? The data sheet specifies 5V absolute maximum, but doesn't indicate a usable range.
View Article(ADP1046)To detect OCP
Hi ! Our customer want to use ADP1048 for DCDC.This is automotive application and input voltage is 250~450V.Output is 13.8V 145A 2kW. As I asked at this thread, our customer think resistor will make...
View ArticleWill output from ADP1074 sink current?
I am looking at doing a design similar to what is described UG-1115 (12.1V output) and looking to OR the output with an auxiliary 12V supply. Do I need to diode OR the output from the ADP1074 or would...
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Active Rectifiers for low voltages (~5V)
Hello, I am looking for an active rectification solution for my project. I would like to rectify a supply which oscillates between -5V to +5V (Full Wave) with minimal losses. Would the LT-4320 work for...
View ArticlekINDLY GIVE INFORMATION ABOUT DESIGN OF pindiode based SWITCH WITH P1dB...
KINDLY GIVE INFORMATION ABOUT DESIGN OF pindiode based SWITCH WITH P1dB SPECIFICATION
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LTC2943 cannot get right value with 4-cell battery
hello：I use the LTC2943 to measure voltage.When I use 3-cell battery,we can get evething right. When I use 4-cell battery,I get evrything wrong.Even the config register is wrong. I don't change the...
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LT3471 Load Transient Response
Dear All:I want to know LT3471 output load transient response depend on datasheet page 1 picture Vout1 & Vout2 ,have any detail information to me refer. thanks Best Regards, Jack
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Buck ic for 320Vout application
Hello,Im searching a controller for high voltage buck.500V:400V input -> 320V output. 300Khz-400Khz freq. 2KW.i need also output current regulation as current limit...I thought about LT3840 (with...
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About LED flash driver ADP1660
Dear all, My customer has two laser diodes ( 450mA per ch)About the ADP1660 LED flash driver function, I see the spe has several mode,e.g.LED_MOD Bits101Independent trigger mode with timeout disabled...
View ArticleLT4320 Minimum Voltage
The LT4320 datasheet summary says it is good for 72V AC, yet the absolute maximum rating table of the input pins says a minimum of -3V. I am confused?
View ArticleADP1047 ZVS and PWM2 Output Pin
Hi,1.I plan to use the ADP1047, digital PFC controller at the boost stage of a power supply, the next stages are dc-dc and buck. I also want to synchronize those next stages.Is pwm2 output pin fit for...
View ArticleClear LTC4015 self-reset occurred flag
I have a revision of the LTC4015 with ERRATUM 1 solved. But on one device I got a self-reset occurred flag (bit 12 in register #39). It would be easy for me to determine this flag and rewrite the...
View Articleltc3703 current limit
Hi, I have a problem with the current limit function of the device.I disabled the function but the IC still limit the current while the voltage at the RUN/SS-Pin is reduced.I only have a load current...
View ArticleError in LTSpice Simulation results with Worst-Case Analysis
Hello All,Good Day... I have experienced a strange error with LTSpice Simulation results. I am doing the worst-case analysis for few number of runs. Actually the circuit consists of op amp circuit....
View ArticleDifferences in Using LTC6804 Instead of LTC6811
Hi, I used the LTC6811 footprint to create a PCB for a battery management unit. I then discovered that there is no stock in Canada (we need it quickly). Looking around I see that the 6811 replaced the...
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What is the FIT(Failures in Time) of LT8603
hello? Due to the nature of the business in progress, it is necessary to know the fit to select the product. We need to know FIT. TI is well documented on the homepage.Is the analog device not...
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