Hello,
Please see the attached file.
2860.20140220_TL4242 switching the shunt resistor.pdf
My customer change the LED current by switching the shunt resistor of REFpin by FET.
In this case are there any problem ?
I believe that , there is no problem…
Other Parts Discussed in Thread: TL4242 , LM3466 , LM3464 Hi!
I have an external 350mA LED driver module (Vossloh-Schwabe ECXe 2350.037). I would like to use this module to drive 6×6 Seoul 5630 LED (100mA@3.2V). So basically, there are 6 strings of 6 LEDs…
Other Parts Discussed in Thread: TL4242 I have a customer (Raytheon) using the TL4242 LED driver. He is driving a single LED at 20mA, using a 9.1 ohm resistor for the current sense resistor. The LED forward voltage varies from 2.2 to 3.8 and the power…
Other Parts Discussed in Thread: TL4242 We have been producing motorcycle RCL for a few years now using the TL4242 linear current regulator. It preforms very well..
Do you have similar linear current regulators with multiple outputs? 3,4 outputs? We use…
Other Parts Discussed in Thread: TL4242 , MSP430G2102 , LM2623 , LMR61428 Hello,
Currently I need to use LM2623, TL4242 and MSP430G2102.
How and where would get the models?
if not available, can one create the required models?
Best regards,
--Utpal
Other Parts Discussed in Thread: TL4242 We are wanting to use the TL4242 at 70mA and wanted to know how accurate the current will be at this light load condition. It looks like the datasheet only goes as low as ~170mA (top of page 4), but I am sure that…
Other Parts Discussed in Thread: TL4242 , TLC555 I am working on a lighting solution for a small retail building where I wish to use 600 24v 7w LEDs in four separate arrays. The configuration of each array I want to use is as follows: 1) one transformer…
Other Parts Discussed in Thread: TL4242-Q1 , TL4242 We are using TL4242-Q1 for one our application. Maximum supply voltage is 18V LED drop is 3.2V and LED current is 80mA. its 2 layer board( no power plan). When am trying to calculate power dissipation…
Hi Sir,
We are want to application TL4242DR, But our Product board Tc measurement is 105C, Because i can't found the θjc in datasheet, Could you please help to calculate the TJ is under 150°C and θjc value?
Application condition Vout…
