Search tips
Showing 26 results View by: Thread Post Sort by

  • LM3553: Faster alternative to LM3553

    Part Number: LM3553 Hi. The LM3553 would nearly suit my application but I'm targetting a length of flash below 2ms so I really need the current to ramp-up to about 800mA in less than 250us. Any suggestions from TI product range? My application: flash…
    • Answered

  • LM3553: I2C Pins

    Resolved
    Part Number: LM3553 Tool/software: Hi Team, What is the status of the I2C pins when M/F (RESET) gets set?
    • Resolved
    • Answered

  • LM3553: long time turn-on function

    Resolved
    Part Number: LM3553 Other Parts Discussed in Thread: LM3644 , LM36010 , TPS92201 , LM3645 Tool/software: Hi Sir, In the Torch or Flash mode, is the LM3553 support the long time turn-on function?
    • Resolved

  • LM3553: Flash LED

    TI Thinks Resolved
    Part Number: LM3553 Other Parts Discussed in Thread: LM3644 Hi I would like to ask you to recommend an IC with or without the same function A. It needs to be a flash (I want to drive two leds, one needs 1A) B. Also test Torch (the same two, but…
    • Answered

  • LM3553: Faster ramp-up/ramp-down times with Rset < 14 kOhm?

    Resolved
    Part Number: LM3553 I want to use a LM3553 to drive a string (series) of 2 white LED in a camera flash application. Input voltage is 5V. I understand that maximum ID1+ID2 = 1.2A which corresponds to Rset = 14kR. By setting bit ST1=0 and bit ST0=0…
    • Resolved
    • Answered

  • LM3553: LM3553 driving 6.6V LED has high frequency noise

    Resolved
    Part Number: LM3553 Hi support : LM3553 driving Vf 3.3V Red LED is ok. But I change Vf 3.3V Red LED to a new OSRAM GR PSLR31.13 LED. The Vf of GR PSLR31.13 is about 6.6V. When turn on the LED. There is a high frequency noise. Maybe the noise…
    • Resolved

  • LM3553: LM3553 Evaluation board GUI

    TI Thinks Resolved
    Part Number: LM3553 Other Parts Discussed in Thread: LM3533 , , USB2ANY I bought a LM3553 Evaluation board. But I could not find GUI. Where can i download the GUI in TI site?

  • LM3553: Suggestion for alternative IC 2Series LED Vf=2.77Vea @ 300mA

    Part Number: LM3553 Other Parts Discussed in Thread: LM36010 , LM3560 , , TPS92200 I'm looking to drive two LEDs for a project. Flip Chip 10 by Lumiled LED Vf=2.77V at 350mA Due to the low Vf, ICs like the LM3560/LM36010 that I've used in previous projects…

  • LM3553: Drive 1 LED from 5Vin

    TI Thinks Resolved
    Part Number: LM3553 Other Parts Discussed in Thread: LM36010 Hi, Team My customer is working with LM3553 in a application of drive 1* LED. Power supply is 5V only. LED: VF ID Max: 3.5V 350mA Min: 2.9V 100mA They are using the single LED schematic…
    • Answered

  • LM3553: PWM brightness control possibility?

    Resolved
    Part Number: LM3553 Other Parts Discussed in Thread: LM3643 , LM3644 Hi team, Customer inquired PWM brightness control possibility by adding PWM signal to the FEN pin. I is thought that the flash operation is repeated synchronizing to the high transition…
    • Resolved

Didn't find what you are looking for? Post a new question.