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Showing 25 results View by: Thread Post Sort by
  • ULN2004A: ULN2004ADR Screen issue

    Ning Li
    Ning Li
    TI Thinks Resolved
    Part Number: ULN2004A Tool/software: Dears, We find the screen of ULN2004ADR show that 53ADDCM,but the DC is 2431,so we want to know What does the screen "5 "represent? pls kindly find attachfilescreen and DC information ,thanks.
    • 3 months ago
    • Power management
    • Power management forum
  • ULN2004A: Datasheet Duty Cycle

    Marco Rojas
    Marco Rojas
    TI Thinks Resolved
    Part Number: ULN2004A Hey team, I have a customer with the below question on datasheet specs. "We are just trying to finalize some specs before release. One of our specs is dependent on the ULN2004. However, we have a couple questions about the data…
    • over 2 years ago
    • Power management
    • Power management forum
  • Answered
  • ULN2004A: Is noise immunity of ULN2004A same as ULN2003A?

    Hung Ching Hsu
    Hung Ching Hsu
    Resolved
    Part Number: ULN2004A Other Parts Discussed in Thread: ULN2003A , Hi Team My customer has been using ULN2003A and they are also considering use ULN2004A now due to other manufacturer's EOL. My customer asked if the noise immunity of ULN2004A is same…
    • Resolved
    • over 4 years ago
    • Power management
    • Power management forum
  • Answered
  • ULN2004A: Question about product spec

    Takeshi Sasaki
    Takeshi Sasaki
    Resolved
    Part Number: ULN2004A Hi team, Could you give me comment on following customer questions? Q1. Does TI have maximum on resistance about transistor? Q2. For Figure 1, is it correct understanding that it shows Vce when the single channel is turned…
    • Resolved
    • over 3 years ago
    • Power management
    • Power management forum
  • ULN2004A: ULN2004 outputs to the microcontroller inputs

    BALBIR VIRDI
    BALBIR VIRDI
    TI Thinks Resolved
    Part Number: ULN2004A Hi, I have a requirement of attaching the six inputs at 12-24V to the microcontroller. At the moment I am using MOSFET switches. But to reduce the number of components used, cost and miniaturize the overall PCB size, I am thinking…
    • over 4 years ago
    • Power management
    • Power management forum
  • Answered
  • ULN2004A: ULN2004ADR operating free temperature range

    Koji Sakurai
    Koji Sakurai
    Resolved
    Part Number: ULN2004A In ULN2004A datasheet , Absolute Maximum ratings operating free-air temperature range described -40~70C But in the datasheet of PACKAGE OPTION ADDENDUM, ULN2004A temperature range is -20~70C. Which is correct temperature…
    • Resolved
    • over 4 years ago
    • Power management
    • Power management forum
  • Answered
  • ULN2004A: Internal Clamping Diode Characteristics

    Zach Bruce
    Zach Bruce
    Resolved
    Part Number: ULN2004A For UNL2004DA, would you have an Internal diode model for the clamping diode between the collector and emitter that could be used for simulations? If not, do you have the forward voltage for the low current draws (i.e. 10mA)? The…
    • Resolved
    • over 4 years ago
    • Power management
    • Power management forum
  • Answered
  • ULN2004A: Pulse Current Rating on collector

    Zach Bruce
    Zach Bruce
    Resolved
    Part Number: ULN2004A I am looking for the pulse current rating for the collector outputs. The data sheet has Figure 4 which shows the Maximum collector current based on outputs conducting and duty cycle %. However, I do not see anywhere that states what…
    • Resolved
    • over 4 years ago
    • Power management
    • Power management forum
  • ULN2004A: Internal resistance range

    Kenji Ohno1
    Kenji Ohno1
    TI Thinks Resolved
    Part Number: ULN2004A Other Parts Discussed in Thread: ULN2003A , Hi Team, I would like to know the range of the internal resistance value (10.5kΩ, 7.2kΩ, 3kΩ). ULN2003A found a post with an internal resistance range of ±15%. Is it similar? …
    • over 5 years ago
    • Power management
    • Power management forum
  • Answered
  • ULN2004A: Feature size

    William Mackin
    William Mackin
    Resolved
    Part Number: ULN2004A I'm looking for the feature size for the ULN2004A. Our application may have to operate in an environment with some radioactive particles. Can you tell me the feature size, in nm or um, for this part? Thank you.
    • Resolved
    • over 5 years ago
    • Power management
    • Power management forum
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