Answered

• LM5033: LM5033 pwm output current

  

  Milan Djordjevic

  Resolved

  Part Number: LM5033 Tool/software: Gentlemen, I want the PWM regulator LM5033MMX to directly drive the TLP251. One PWM output should drive one TLP251, and the other should drive another TLP251. The recommended current for switching the TLP251 driver…

  • Resolved

  • 8 months ago
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• LM5033: LM5033 related issues

  

  jeno.zhang

  TI Thinks Resolved

  Part Number: LM5033 Other Parts Discussed in Thread: UCC2808A-2 , Tool/software: Hello， The input voltage is 12V, the output power is 50W, and the output voltages are positive and negative 12V/24V/36V. The customer is looking for a PWM controller with…

  • 9 months ago
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• LM5033: Switching noise

  

  John Sigve Risanger

  TI Thinks Resolved

  Part Number: LM5033 Tool/software: I'm using the LM5033 to modulate a DC voltage for transformer-based isolation, serving as part of a safety barrier mechanism. However, we're observing switching noise that degrades EMI performance, and we're looking…

  • 7 months ago
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• LM5033: Technical clarification of LM5033 for the replacement

  

  Hariharan Raja

  TI Thinks Resolved

  Part Number: LM5033 Other Parts Discussed in Thread: LM5030 Hi team, In our design, we are planning to replace LM5030 (Current mode PWM controller) with LM5033 (Voltage mode PWM controller) What are the necessary changes we need to do, to use LM5033…

  • over 1 year ago
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• LM5033: LM5033 output resistance

  

  Yuri Klainerman

  TI Thinks Resolved

  Part Number: LM5033 Hi, What is the output resistance of LM5033 ?

  • over 2 years ago
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Answered

• LM5033: Looking for component / design direction to handle 7 to 56 V supply input, and provide a 12 V ISOLATED output with 2A sourcing capability

  

  Carl Munch

  Resolved

  Part Number: LM5033 Other Parts Discussed in Thread: PTEA404120 , UCC28740 , UCC28C55 , SN6507 , LM5030 I have seen design embodiments that handle 48V in and provide 12V output ((PTEA404120 eval bd); however ... this defines the input to be from 35V to…

  • Resolved

  • 15 days ago
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• LM5033: LM5033MM vs LM5033MMX

  

  MUHAMMAD SABIR

  TI Thinks Resolved

  Part Number: LM5033 Tool/software: Please confirm that once cut from the wafer, the die that goes into the LM5033MMX will be identical to the die that has been going into the LM5033MM

  • over 1 year ago
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Answered

• LM5033: Thermal Protection when Powered externally to VCC Pin

  

  Kishor Satish Gaikwad

  Resolved

  Part Number: LM5033 Will thermal protection work if IC is powered externally from 15 v supply with following options: 1. With V IN 15 V 2. With no V IN input

  • Resolved

  • over 2 years ago
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• LM5033: LM5033：Weak load capacity

  

  min qin

  TI Thinks Resolved

  Part Number: LM5033 Other Parts Discussed in Thread: TL431 , Design parameters:1、full-bridge circuit 2、Output Voltage：±190V 3、Output current：25A During debugging, the no-load output voltage is normal. When the load reaches 3a, the output voltage…

  • over 4 years ago
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• LM5033: big range of oscillation frequency

  

  Manu Chang

  TI Thinks Resolved

  Part Number: LM5033 Hi, I am curious about the internal frequency showed in datasheet of LM5033, when the Rt=26.7kohm, the variation of internal frequency is as big as plus minus 25kHz. Even over the whole temp range it is quite big. Would you mind…

  • over 3 years ago
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