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  • LM5030: LM5030

    TI Thinks Resolved
    Part Number: LM5030 Dear Mr. Design is Vin=17-28V, Vout=250V, Iout=1A, Fsw=250kHz, LM5030 My push-pull transformer haven't enough output voltage and I going to use voltage doubling rectifier It is working excellent with sinusoidal signal, but here…

  • LM5030: TIDA-01352 If input voltage is 12V, output voltage is +-100V , 50W.

    TI Thinks Resolved
    Part Number: LM5030 Other Parts Discussed in Thread: TIDA-01352 Hi Expert For TIDA-01352 But I need to make some ultrasound application. The spec of product is input voltage 12V, output voltage is +-100V , 50W. The original design is for 24v input. Do…
    • Answered

  • LM5030: LM5030 transformer parameters

    Resolved
    Part Number: LM5030 Other Parts Discussed in Thread: TIDA-01352 Dear mr. My questions: 1. I try to build power supply 400W, Vin=18V-29V to 300V with LM5030 and order for it planar transformer with next parameters: 500W, n=1:19, Lprimary1-3= 8.5uH (10kHz…
    • Resolved
    • Answered

  • LM5030: LM5030 Internal gate driver specifications.

    Resolved
    Part Number: LM5030 Good Day Sir/ Madam For my push pull converter application I have selected LM5030 (VSSOP package). The junction to ambient resistance is given as 158 degree c/W which I think is very high for my application. I wanted to do a power…
    • Resolved

  • LM5030: Push-pull PS problem

    TI Thinks Resolved
    Part Number: LM5030 Dear mr. I have a problem with bring up of PS , see sch. Spec. Vin=17-27V, Vout=300V, Pout =400W Voltage feedback is disconnected by removing R259 for simplification I'm waiting to see about 50% PWM of MOSFET's control. But…

  • LM5030: questions

    TI Thinks Resolved
    Part Number: LM5030 Hi team, My customer uses LM5030 in their project(Vin=48V, Vout=210V/1A), could you please help check below questions? 1. What is the operating mode of the LM5030 at light load (or no load), is it a hiccup mode? 2. The power range recommended…
    • Answered

  • LM5030: Current of Gate drivers

    Resolved
    Part Number: LM5030 It is written "The internal gate drivers can each sink 1.5-A peak each." in the Data sheet. But source current is not written. How much source current of drivers?
    • Resolved
    • Answered

  • LM5030: LM5030 frequency range

    Resolved
    Part Number: LM5030 Hi, Please explain, what minimum and maximum recommended range of frequency operation? Into the datasheet(rev November 2015) page 6, I see "Frequency1 - 200kHz and Frequency2 - 600kHz", Is 200kHz it minimum and 600kHz maximum…
    • Resolved
    • Answered

  • LM5030: LM5030 Data Sheet Error

    Resolved
    Part Number: LM5030 In the data sheet for the LM5030 100-V Push-Pull Current Mode PWM Controller, November 2015 edition, Figure 14 is a partial PCB layout example - In the PCB layout example, VFB is grounded (which takes the error amplifier out of the…
    • Resolved

  • LM5030: Startup issue due to output capacitor inrush current LM5030

    TI Thinks Resolved
    Part Number: LM5030 Hi, I was designing dc-dc converter using LM5030 , the output specifications are Output 1: 13V, 4.9A Output 2: 13V, 3.8 A the primary input voltage is 74V and the estimated primary continuous current is 4.3A so for overcurrent protection…

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