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Showing 38 results View by: Thread Post Sort by
    Answered
  • LM5161-Q1: Minimum Switching Frequency

    tateo yamashiro
    tateo yamashiro
    Resolved
    Part Number: LM5161-Q1 Hi, We got a question from customer about LM5161-Q1. Could you help us? [Question] How much is the recommended minimum switching frequency under the following condition? Topology: Fly-Buck-Boost Vin=5~20V Vpri=-8V Ipri=0A Vsec1=15V Isec1…
    • Resolved
    • over 3 years ago
    • Power management
    • Power management forum
  • Answered
  • LM5161-Q1: Output Capacitor Selection and Input Capacitor Selection

    Ali Shatnawi
    Ali Shatnawi
    Resolved
    Part Number: LM5161-Q1 Hello, Please i need your support I have 2 questions. 1. Question: 8.2.1.2.5 Output Capacitor Selection: they have ripple voltage ΔVO = 10 mV, how do you get there? for my application which value should I take ? 2. Question…
    • Resolved
    • over 3 years ago
    • Power management
    • Power management forum
  • Answered
  • LM5161-Q1: Fly-Buck transformer heating

    Tilen Sluga
    Tilen Sluga
    Resolved
    Part Number: LM5161-Q1 Other Parts Discussed in Thread: LM5160DNTFBK-CALC Hi TI, I have an application which will use LM5161-Q1 in a fly-buck configuration. I'm testing a few custom transformers and have the design working but I'm not sure if the temperature…
    • Resolved
    • over 3 years ago
    • Power management
    • Power management forum
  • Answered
  • LM5161-Q1: ON time in current limit mode

    tateo yamashiro
    tateo yamashiro
    Resolved
    Part Number: LM5161-Q1 Hi, We got a question from the customer about LM5161-Q1. Could you help us? [Question] How is determined ON time in current limit mode? They want to culcurate the output current in current limit mode. They assume the ON time is determined…
    • Resolved
    • over 3 years ago
    • Power management
    • Power management forum
  • Answered
  • LM5161-Q1: can use Vout = 5V at Vin = 58V ?

    Paul Kim
    Paul Kim
    Resolved
    Part Number: LM5161-Q1 Hi Team can we use Vout = 5V at Max Vin = 58V ? such case duty is too small at Max Vin =58V, so that I would like to ask BU's opinion.
    • Resolved
    • over 3 years ago
    • Power management
    • Power management forum
  • Answered
  • LM5161-Q1: Distortion on SW node waveform

    tateo yamashiro
    tateo yamashiro
    Resolved
    Part Number: LM5161-Q1 Hi, We got a question from the customer about LM5161-Q1. Could you help us? [Question] They found the distortion at the rising edge of SW node waveform. Please refer to attached file for the detail. We would appreciate it if you could…
    • Resolved
    • over 3 years ago
    • Power management
    • Power management forum
  • Answered
  • LM5161-Q1: Current limit condition and Reliability

    tateo yamashiro
    tateo yamashiro
    Resolved
    Part Number: LM5161-Q1 Hi, We got a question from the customer about LM5161-Q1. Could you help us? [Question] They found the primary side transformer current hit the current limit of the IC at the start-up. Please refer to attached file for the details…
    • Resolved
    • over 3 years ago
    • Power management
    • Power management forum
  • LM5161-Q1: Shutdown Current

    Masazumi Ishii
    Masazumi Ishii
    TI Thinks Resolved
    Part Number: LM5161-Q1 Hello. I have a question about the LM5161-Q1. When shut down, how much is the current flowing through the RON pin? Do you control current flowing in? Data sheet P9 Referring to Figure 15, the impedance of RONPIN is low impedance of…
    • over 3 years ago
    • Power management
    • Power management forum
  • LM5161-Q1: TRES and Forced Toff

    tateo yamashiro
    tateo yamashiro
    TI Thinks Resolved
    Part Number: LM5161-Q1 Hi, We got a question from the customer about LM5161-Q1. Could you help us? [Question] - How much is the variation of TRES and current limit forced Toff under the following condition? Vin=24V and 48V Ron=100k Ta=-40, 25, and 125C Vfb…
    • over 3 years ago
    • Power management
    • Power management forum
  • LM5161-Q1: The availability of using LM5161-Q1

    takahiko yokota
    takahiko yokota
    TI Thinks Resolved
    Part Number: LM5161-Q1 Other Parts Discussed in Thread: LM5161 Hi My customer look for Fly Back converter the following condition. I will propose LM5161-Q1 with Fly-Buck topology. Could I use this device under that condition? Vin=8~16V Vout=15V Iout_max…
    • over 4 years ago
    • Power management
    • Power management forum
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