• TL2845: Junction to Top thermal resistance

  

  Emma Wang

  TI Thinks Resolved

  Part Number: TL2845 Other Parts Discussed in Thread: UC2845 Hi expert, We did not provide the Junction-to-case (top) thermal resistance or Junction-to-top characterization parameter on TL2845 datasheet? Could I just use the data on UC2845 datasheet? …

  • 11 months ago
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Answered

• TL2845: Rjc for TL2845BDR-8

  

  Brian Li

  Resolved

  Part Number: TL2845 Hi team, Could you please help check if we have the spec Rjc for TL2845BDR-8? Thanks, Brian

  • Resolved

  • over 1 year ago
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Answered

• TL2845: Combined with optocoupler

  

  Masakazu Adachi

  Resolved

  Part Number: TL2845 Other Parts Discussed in Thread: TL431 Hello team, Regarding this tread: Error Amplifier Output source current If optocouplers are used as discussed in the above thread, how should the pull-up resistor value be determined? Could you…

  • Resolved

  • over 1 year ago
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Answered

• TL2845: Does the TL2845 support frequency dithering?

  

  Santhosh Srinivasan

  Resolved

  Part Number: TL2845 Other Parts Discussed in Thread: UCC28180 , TLV3201 Hi, I'm using the TL2845 current mode PWM controller for a DC-DC converter operating at a certain constant frequency. I'm aiming to add a frequency dither so that I can reduce the…

  • Resolved

  • over 2 years ago
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Answered

• TL2845: Frequency Setting

  

  Santhosh Srinivasan

  Resolved

  Part Number: TL2845 Other Parts Discussed in Thread: UCC28180 Hi, I'd like to understand how the TL2845 controller sets the frequency with the combination of Rt and Ct. (I know there is a given formula that has it as 1.72/(Rt*Ct) but I'm wondering about…

  • Resolved

  • over 2 years ago
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• TL2845: Error Amplifier Output source current

  

  Keith Keller

  Part Number: TL2845 Hello, We are working with the TL2845 and are wondering about error amplifier sourcing 0.5mA. If we were to disable the error amplifier by grounding the inverting pin, does this mean that the worse-case instantaneous current that we…

  • over 2 years ago
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• TL2845: comparison against other similar package controllers

  

  David Fowler1

  TI Thinks Resolved

  Part Number: TL2845 Other Parts Discussed in Thread: UC2845 , UCC28C43 Hi, what are all the controllers with a matching package/pinout to TL2845. For example, I see a UC2845. But, why would I want that one instead since it costs more? Are there other series…

  • over 3 years ago
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Answered

• TL2845: P2P replacement with DAP011

  

  Kelly Bai

  Resolved

  Part Number: TL2845 hi team, do we have P2P replacement with on semi PWM ontroller DAP011? https://datasheetspdf.com/pdf-file/768780/ONSemiconductor/DAP011/1 thanks.

  • Resolved

  • over 3 years ago
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• TL2845: Tl2845

  

  Harikesh Patil

  TI Thinks Resolved

  Part Number: TL2845 Other Parts Discussed in Thread: UC2845 Is threre any difference between tl2845 & uc2845

  • over 4 years ago
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• TL2845: Highest COMP pin voltage?

  

  Keith Keller

  TI Thinks Resolved

  Part Number: TL2845 Hello, We’re working on a TL2845 design and looking into the maximum voltage we could expect on COMP pin? What would be the worst case driving voltage for the TL2845: Min of Vcomp-low (1.1V?) Max Vfb-high Is COMP 1.1V can be…

  • over 4 years ago
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