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  • LM27313: Output voltage not stable issue

    Part Number: LM27313 Hi Team, When the input voltage of LM27313 is lower than 4V, the output voltage of LM27313 can be very stable, but when the input voltage is higher than 4V, you will see the voltage bounce, The input voltage of LM27313 should be able…
    • Answered

  • LM27313: Question about controlling the current source by user.

    Resolved
    Part Number: LM27313 Hello, Forum Am I able to control the current value from the current source in the LM27313 ? If so, how? I want to make it clear because there are some different constant values in the DATA Sheet, such as 5.5uA or 3uA as minimum…
    • Resolved

  • LM27313: What is the ratio relationship between Vin and FB in LM27313 boost chip?

    TI Thinks Resolved
    Part Number: LM27313 Hello Team, What is the ratio relationship between Vin and FB in LM27313 boost chip? I have a 12V boost 24V power supply project on my side, currently I only see one in the specification book Δ VFB/ Δ The relationship between VINs…

  • LM27313-Q1: LM27313 inrush current

    TI Thinks Resolved
    Part Number: LM27313-Q1 The input voltage is 3.3V and the output is about 12.5V. The current startup inrush current is about 1.1a. How to reduce the startup Inrush current below 900mA?
    • Answered

  • LM27313-Q1: Alternate Part Evaluation: LM2733XMFX/NOP & LMR64010XMFX/NOP

    Resolved
    Part Number: LM27313-Q1 Other Parts Discussed in Thread: LM27313 , , LM2733 , LMR64010 , LM2731 , LM2735-Q1 , LMR62014 Hello, Currently we are using LM27313-Q1 for boosting an input of 5V to 6.2V. We are planning to use LM2733XMFX/NOP & LMR64010XMFX/NOP as an…
    • Resolved

  • LM27313: simulation issue

    TI Thinks Resolved
    Part Number: LM27313 Dear team, I am using LM27313, my input DC voltage is 3v to 9v and designed output voltage is 12V. Max load current drawing is 200mA. As shown in the below schematic I am using 2 input battery source in series configuration for my…

  • LM27313: OUTPUT shows sawtooth wave

    TI Thinks Resolved
    Part Number: LM27313 When the OLED brightness reaches 30%, the OUTPUT of LM27313 is normal, as shown in Figure 2. However, when the OLED brightness reaches 60%, the output of LM27313 is unstable, and the oscillometer shows sawtooth wave, as shown in Figure…
    • Answered

  • LM27313: power dissipation for LM27313

    Resolved
    Part Number: LM27313 Please tell me the formulae to calculate the power dissipation for LM27313XQMF/NOPB. In the datasheet, the chapter 10.3 is only switching loss.I need also conduction loss,gate charge loss and supply current loss. By the way, may I ask…
    • Resolved

  • LM27313: tft backlight voltage

    TI Thinks Resolved
    Part Number: LM27313 Hello forum, i have a problem with a pcb that drives a tft display on a coffee machine. The LM27313 ic was burnt on pin SW output voltage. So i replaced the ic. There is an input voltage of about 12 volts and the output is the same…
    • Answered

  • LM27313: Datasheet Error

    Resolved
    Part Number: LM27313 The datasheet for LM27313 has an error in eqaution 17. The switch current should be 800mA or 0.8A (not 0.8mA). Thanks, Tim
    • Resolved

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