• UC2827-1: UC2871DW - Alternative Part

  

  Paul Day

  TI Thinks Resolved

  Part Number: UC2827-1 Tool/software: Is there a direct alternative Device to this in the same SOIC 18 Pin package? cannot find one anywhere...

  • 5 months ago
  • Interface
  • Interface forum
Answered

• UC2827-1: Issue in the Ramp pin and Duty of buck get changed

  

  venkat raj

  Resolved

  Part Number: UC2827-1 Tool/software: Hi team, In our sch we are using UC2827DW-1 PWM controller. We are facing some issue in the "RAMP" pin.We have seen that Ramp pin has a linearly increasing ramp signal, At the sudden the ramp get cutoff in…

  • Resolved

  • 4 months ago
  • Power management
  • Power management forum

• UC2827-1: UC2827-1 SPICE MODEL

  

  Manimuthu Palanivel

  TI Thinks Resolved

  Part Number: UC2827-1 Other Parts Discussed in Thread: LM5041 , LM5041B , LM5041A Hi team, Please provide SPICE model for UC2827 to simulate in LTSpice or Simetrix.

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

• UC2827-1: UC2827-1

  

  rj

  Resolved

  Part Number: UC2827-1 Hello Team I was testing UC2827-1 for a new design and noticed high frequency oscillation across Rt pin . Rt= 7.5k, Ct = 680pF fs = 152kHz and oscillation across Rt resistor - 424mV/12.8MHz. Also , there was some jitter present…

  • Resolved

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

• UC2827-1: PWM Controller solution for current-fed push-pull topology

  

  Piotr F.

  Resolved

  Part Number: UC2827-1 Other Parts Discussed in Thread: LM5041 TI Experts, Does TI have PWM controller solution for current-fed push-pull DC/DC topology (see below) ? I understand PWM controller for this must support overlapping push-pull PWM - what parts…

  • Resolved

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

• UC2827-1: OSC Frequecy Configuration deviation

  

  Robert Brolin Anthony S

  TI Thinks Resolved

  Part Number: UC2827-1 Dear TEAM we also observed an another deviation in UCC2827DW's oscillator frequency selection using RT and CT our configutarion in UC2827DW-1 was 750pF and 20.55K Ohm provides the calculated frequency is 50 KHz, where as the…

  • over 3 years ago
  • Power management
  • Power management forum

• UC2827-1: Push/Pull Jitters as Wattage is increased.

  

  Robert Brolin Anthony S

  TI Thinks Resolved

  Part Number: UC2827-1 The SCR was 5.6 Ohm highlighted in red box. The functionality of our topology was working fine with 90W . The below image is give for the for Vgs of Push/Pull Mosfet and the Buck Current. Where the Pink - Vgs of the Push section …

  • over 3 years ago
  • Power management
  • Power management forum

• UC2827-1: Push Pull Frequency Jitter while change in load

  

  Vairavan P

  TI Thinks Resolved

  Part Number: UC2827-1 Hi everyone! We are using UC2827 - 1 (Current fed ) in our application. A cascaded Buck with Push Pull converter of 100w. The Sch below is just for understanding the topology The Converter was functioning Ok with a 250mOhm at rectifier…

  • over 3 years ago
  • Power management
  • Power management forum
Answered

• LM5041: Space application

  

  Ottavio Di Sauro

  Resolved

  Part Number: LM5041 Other Parts Discussed in Thread: UC2827-1 Tool/software: Hello, I have to design a Current Fed Push-Pull dc/dc converter for a space application. I'm aware there are two PWM controllers available: UC2827-1 and LM5041 for this topology…

  • Resolved

  • 7 months ago
  • Power management
  • Power management forum
Answered

• UC2827-1: Push-Pull DRIVE Capability

  

  vairavan p

  Resolved

  Part Number: UC2827-1 Hi, Have a good day! I would like to use MOSFET- IXFX210N30X3 as Push-Pull MOSFET. But Cgs of ths capacitor is 24.2nF& Total Qg=375nC. Can UC2827-1 drive this MOSFET.? Shall i use this part? Pls provide your comments on this…

  • Resolved

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

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