• LM5149-Q1: Input Cap ESR rating

  

  Scarlett Cao

  TI Thinks Resolved

  Part Number: LM5149-Q1 Hi team, My customer is using reverse protection diode before the Vin_emi pin, and has input cap before the diode. Does it also require this cap to have >100mohm ESR? Thank you Scarlett

  • 2 months ago
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• LM5149-Q1: Simulation option not enabled for: LM5149-Q1

  

  Akshay S kumar

  TI Thinks Resolved

  Part Number: LM5149-Q1 Hi TI Team, We wanted to do the WEBENCH simulation for the part: LM5149-Q1 to understand its transient behaviors. When I click the simulation option, it says: “simulate option is not yet enabled for this design.” Kindly…

  • 6 months ago
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• LM5149-Q1: LM5149 deadtime spec

  

  Scarlett Cao

  TI Thinks Resolved

  Part Number: LM5149-Q1 Other Parts Discussed in Thread: LM5149 Hi team, Could you please help share how the LM5149 20ns typ dead time is defined? Take LO off to HO on deadtime as example, is it counted from LO decreasing moment, or from LO dropping below…

  • 5 months ago
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• LM5149-Q1: LM5149-Q1 output voltage question

  

  Lee Victor

  TI Thinks Resolved

  Part Number: LM5149-Q1 Hi Teams, I'm setting LM5149-Q1 Vout: 3.3V、Iout: 15A、 Ambient Temp: 85°C，when system Vin:40V to 3V to 40V，3V 10mS, rise time and fall time 0.1 mS Q1: Output voltage figure Q2: If have pulse how to avoid it Thank you.

  • 6 months ago
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• LM5149-Q1: Can I have unencrypted model for SIMETRIX

  

  Ross Wilson

  TI Thinks Resolved

  Part Number: LM5149-Q1 Other Parts Discussed in Thread: LM5148 , LM5145 , LM5149 SIMETRIX model for LM5145 can be used on SIMETRIX. However, model LM5148 & LM5149 not able to run on SIMETRIX as encrypted. Can you help? Best regards,

  • 4 months ago
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Answered

• LM5149-Q1: Possible to use with GAN Fets?

  

  Marcel Wilke

  Resolved

  Part Number: LM5149-Q1 Other Parts Discussed in Thread: LM5149 Hi Ti, i plan to use the LM5149-Q1 for a 48V Vin and 12V 6A out DC/DC Buck Controller. Because of my limited space and the much higher switching loss of traditional Fets im considering using…

  • Resolved

  • 4 months ago
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Answered

• LM5149-Q1: I have a question for page 5 of the datasheet, 7.1 Absolute Maximum Rating.

  

  ? ??

  Resolved

  Part Number: LM5149-Q1 The output voltage HO to SW maximum value is "VHB+0.3", but what is VHB?

  • Resolved

  • 4 months ago
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• LM5149-Q1: 72 to 12V DC/DC converter (20A) load

  

  NEEHAR N L N

  TI Thinks Resolved

  Part Number: LM5149-Q1 Dear team, Do you have any Synchronous buck PWM controllers that can handle upper input voltage of 100V? LM5149-Q1 can handle up to 80V only. Kindly check and let me know if there is a suitable product. Best regards, Neehar Technical…

  • 5 months ago
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• LM5149-Q1: can't rise to 24V with load.

  

  lina xu

  Part Number: LM5149-Q1 Other Parts Discussed in Thread: LM5149 , LM5148 I'm a engineer from ABB robot R&D The application is 48V ->24V the problem is when I apply 0.1A load to 24V, the output can't rise, can only rise to 0.3V. but however…

  • 5 months ago
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Answered

• LM5149-Q1: LM5149-Q1

  

  Riza Gunes

  Resolved

  Part Number: LM5149-Q1 Other Parts Discussed in Thread: LM25149-Q1 , LM5148-Q1 , Hi, as you know before prototyping, having properly worked simulation is always better. Spice model of LM5149-Q1 is not avaliable now. Also ıt is not included in PSpıce For…

  • Resolved

  • 10 months ago
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