• UC1843B-SP: UC1843B-SP

  

  Alex Tsalyuk

  Part Number: UC1843B-SP Other Parts Discussed in Thread: TPS7H5001-SP Tool/software: Does TI provide UC1843B-SP Average model for AC simulation?

  • 1 month ago
  • Simulation, hardware & system design tools
  • Simulation, hardware & system design tools forum
Answered

• UC1843B-SP: UC1843B-SP

  

  Alex Tsalyuk

  Resolved

  Part Number: UC1843B-SP Tool/software: Greetings, The PWM controller 5962R8670412VYC (UC1843BHKU-SP) has two NC pins #5 and #6. Are these pins floating or are they internally connected to some potential? Thank you, Alex

  • Resolved

  • 7 months ago
  • Power management
  • Power management forum

• UC1843B-SP: parts selection and topology suggestions

  

  Erik Laurila

  TI Thinks Resolved

  Part Number: UC1843B-SP Other Parts Discussed in Thread: TPS7H4010-SEP , , TINA-TI , UC1843A Tool/software: Hello, I need a rad hard solution to generate +5V and -5V supplies using a +12V input. Please suggest any parts and circuit topologies that might…

  • 7 months ago
  • Power management
  • Power management forum

• UC1843B-SP: CFP forming, cutting standard

  

  Jong-sik Shin

  TI Thinks Resolved

  Part Number: UC1843B-SP Tool/software: Dear, Friends. When I use devices for space, I usually use a CFP device. But, I don't know the standard for forming and cutting the leads. How can I get the standard for using(forming, cutting) a CFP device…

  • 9 months ago
  • Power management
  • Power management forum

• UC1843B-SP: Top Lid Thickness

  

  JP

  TI Thinks Resolved

  Part Number: UC1843B-SP Hi TI Team, Can you help me understand the thickness of the metal lid on the UC1843B-SP? The drawing doesn't include this information, so I was hoping you had some insight there. Regards, JP

  • over 1 year ago
  • Power management
  • Power management forum
Answered

• UC1843B-SP: External error amplifier to override internal error amplifier

  

  Stephen Savulak

  Resolved

  Part Number: UC1843B-SP Other Parts Discussed in Thread: UC1843-SP I am using the UC1843-SP in an application where the error amplifier reference needs to be variable, so I am wondering what is the best way to override the internal error amplifier but…

  • Resolved

  • over 1 year ago
  • Power management
  • Power management forum

• UC1843B-SP: Slope Compensation

  

  Fernando Ortiz

  TI Thinks Resolved

  Part Number: UC1843B-SP Hello, I will be using UC1843B-SP in current-mode control for an inverting buck-boost. Can you provide guidance on how to calculate the appropriate value for Rramp for slope compensation? Thank you, Fernando

  • over 1 year ago
  • Power management
  • Power management forum

• UC1843B-SP: Rt/Ct not oscillating

  

  Zachary Peavy

  Part Number: UC1843B-SP I am making a boost converter in Orcad, but the Rt/Ct is not Oscillating (only a flat line at 5V). I have 25v VCC, Gnd connected and RT/CT connected exactly like below with R= 1.73k and C= 1200pF. I am measuring at the RT/CT pin…

  • over 1 year ago
  • Power management
  • Power management forum
Answered

• UC1843B-SP: Die version pad connection questions

  

  Jim Brinkhurst1

  Resolved

  Part Number: UC1843B-SP Hi Experts For the die version of UC1843B-SP, there are pads 14 and 15 that are both labeled Vcc. But on the datasheet from page schematic, the connections are shown as Vcc and Vc, which both connect to terminal 7 of the package…

  • Resolved

  • over 1 year ago
  • Power management
  • Power management forum
Answered

• UC1843B-SP: Belly Pad

  

  Go Bravos

  Resolved

  Part Number: UC1843B-SP Hi team, Page 29, Note 6 of the datasheet says that the lid and belly pad are internally connected. I don’t see any guidance (maybe I missed it) for what to connect the belly pad to. Should the belly pad be connected to ground…

  • Resolved

  • over 2 years ago
  • Power management
  • Power management forum

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