• UC1901: UC1901 status pin going on/off during operation

  

  Japjeet Kapoor

  TI Thinks Resolved

  Part Number: UC1901 Tool/software: Trying to simulate uc1901 in TINA-T I, when varying the inv pin voltage from 1.53V to 1.36 volt (in pink), compensator output is changing accordingly(light grey) but peak detector output is not regulating (in yellow…

  • 3 months ago
  • Simulation, hardware & system design tools
  • Simulation, hardware & system design tools forum

• UC1901: TINA simulation

  

  Japjeet Kapoor

  TI Thinks Resolved

  Part Number: UC1901 Other Parts Discussed in Thread: TINA-TI Tool/software: Hi, I am trying to simulate UC1901 ij TINA-TI in open loop without PWM cont and conv. Not able to understand why driver output voltage ( single) is not varying by changingfedback…

  • 4 months ago
  • Data converters
  • Data converters forum

• UC1901: Quiescent Current

  

  TI-CSC

  TI Thinks Resolved

  Part Number: UC1901 Tool/software: Hello E2E Experts, Good day. 1. What is the quiescent current? 2. What is the maximum output current? I did not see on the data sheet how much current was needed to drive the IC itself. I also could not find…

  • 4 months ago
  • Power management
  • Power management forum

• UC1901-SP: IC operation

  

  Ankit Singh

  Part Number: UC1901-SP Tool/software: Hi All, Greetings! I`m using IC 'UC-1901J' as an error amplifier. However, I wish to monitor the generated square waveform at output pin on Driver A & Driver B. I have set the carrier frequency 1 MHz by choosing…

  • 1 month ago
  • Power management
  • Power management forum

• UC1901-SP: UC1901-SP

  

  Paul Simon

  Part Number: UC1901-SP Can I also get the accurate data (Lifetest report, parameters drift, ...) for this component ?

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

• UC1901-SP: UC1901-SP

  

  Paul Simon

  TI Thinks Resolved

  Part Number: UC1901-SP I am using this part in an isolated FB loop for a critical voltage rail, I need to analyze end of life impact of the internal reference voltage, Is this data available?

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

• UC1901: Part : UC1901L, LCCC package( FK package drawing) is missing in datasheet

  

  Abhishek Saunshi

  TI Thinks Resolved

  Part Number: UC1901 Tool/software: Hi, The datasheet for the Part : UC1901L does not have the LCCC 20 pin package( FK package drawing). and also in the package information sheet only package images are there detailed drawing is missing. Please provide…

  • 9 months ago
  • Power management
  • Power management forum

• UC1901: Alternative for new designs

  

  Ayubu Mbogela

  TI Thinks Resolved

  Part Number: UC1901 Other Parts Discussed in Thread: UCC2808A-1 , TL494 Tool/software: Hello Team, I am considering U1901L for my new power system design for space application, to be used in feedback signal isolation. The TI website indicates zero inventory…

  • over 1 year ago
  • Amplifiers
  • Amplifiers forum
Answered

• UC1901-SP: UC1901: impulse transfo turn ratio

  

  Jean-Francois Lemaitre

  Resolved

  Part Number: UC1901-SP Other Parts Discussed in Thread: UC1901 , UC1843 , Hello, I have a question regarding the turn ratio of the impulse transformer used in the following ref design : https://www.ti.com/lit/df/tidryc7/tidryc7.pdf?ts=1620324456848&ref_url…

  • Resolved

  • over 4 years ago
  • Power management
  • Power management forum
Answered

• UC1901-SP: Avoiding the 2.5V Feedback Offset in Reference Design UC1843BEVM-CVAL

  

  Vince Jison

  Resolved

  Part Number: UC1901-SP Other Parts Discussed in Thread: UC1843BEVM-CVAL , UC1901 , UC1843-SP , UC1843 , UC1843B-SP Hello, I am designing a power supply using the UC1901-SP for isolated feedback. In the reference design for the 'UC1843BEVM-CVAL' eval board…

  • Resolved

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

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