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  • UC1843-SP: Connecting NC pins to GND

    Resolved
    Part Number: UC1843-SP Tool/software: Hello, Can the NC pins of UC1843-SP (5962-8670402VXA, PLCC-20 package), i.e. pins 1,3,4,6,8,9,11,14,16,& 19, be connected to GND? Thanks, Aki
    • Resolved

  • UC1843-SP: Differences between UC1843/A/B-SP

    TI Thinks Resolved
    Part Number: UC1843-SP Other Parts Discussed in Thread: UC1843A-SP , UC1843B-SP Tool/software: Hello, Please tell us what the differences are between the UC1843-SP, UC1843A-SP and UC1843B-SP. Thank you. JH
    • Answered

  • UC1843: UC1843A, UC1843B

    Resolved
    Part Number: UC1843 Tool/software: Dear, Friends. I want to use a UC1843-SP. I want to know the differents about UC1843, UC1843A, UC1843B. What device is possible(package) to purchase for space? UC1843-SP ( 8-DIP , 20-LCC) UC1843A-SP(8-DIP, 20-LCC,…
    • Resolved

  • UC1843-SP: LCCC (FK) Package information

    TI Thinks Resolved
    Part Number: UC1843-SP Tool/software: Hello, UC1843-SP datasheet does not provide any package information for the 5962-8670402VXA .(LCCC package version) The package link in the "Ordering & Quality" is also the same. Could you please provide…

  • UC1843: Unable to Pass thermals with UC1843 SOIC 8 pin

    TI Thinks Resolved
    Part Number: UC1843 My customer is not able to pass thermals even with UC1843 SOIC 8 pin sample that you have sent. There plan is to go with CDIP package because of better Rdethaj, please let us know is there any plan of TI to phase out any of below mentioned…
    • Answered

  • UC1843-SP: Boost converter for low-orbit satellies

    Resolved
    Part Number: UC1843-SP Other Parts Discussed in Thread: UC1843B-SP Tool/software: Dear Sir. I want to make a boost converter for low-orbit satellites. Conditions 1. Input : 30V 2. Output : 150V / 100mA Can I use this device for it? Any other device sugestions…
    • Resolved
    • Answered

  • UC1843-SP: UC1843-SPJG8 thermal resistance for junction to case

    Resolved
    Part Number: UC1843-SP Can you please provide the thermal resistance JC for this part? the datasheet suggests there is a junction in this part that is rated to 150C but the rest of the datasheet doesnt list thermal resistance data from the case to junction…
    • Resolved

  • UC1843: Boost converter design

    TI Thinks Resolved
    Part Number: UC1843 Hello, Can you please clarify whether this chip (UC1843) can be used for Boost converter to meet the following requirements? Vin range : +20VDC to +140VDC Vout Output voltage : +70VDC Output current : 0.9A We want to pass through the…

  • UC1843: Cold start delay -40C

    TI Thinks Resolved
    Part Number: UC1843 Other Parts Discussed in Thread: UC1844 , I have a power supply with first stage UC1843 for boost and second stage UC1844 for Flyback and the output. problem is on cold temp test, power supply has a delay of several seconds to start…
    • Answered

  • UC1843: quiescent current

    Resolved
    Part Number: UC1843 Other Parts Discussed in Thread: UCC28C43 Hi team, The UC1843/5 can be shut down by two methods, may I ask the quiescent current of UC1843/5 in the shutdown mode? Thanks in advance! Regards, Ivy
    • Resolved

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