• LM27313-Q1: LM27313 Webench and TINA results shows the different results

  

  Murugesan A

  TI Thinks Resolved

  Part Number: LM27313-Q1 Hi Team, The LM27313XQMF is used to regulate 12V from Vin range from 5.6 to 6V. TINA simulation shows dip in the output voltages regulation whereas in Webench there is no such Voltage dip for the load of 250mA. Here are…

  • over 2 years ago
  • Power management
  • Power management forum
Answered

• LM27313: Unstable 12v output when driving display backlight.

  

  Matthew Alley

  Resolved

  Part Number: LM27313 I am having an issue with the LM27313 Boost Converter. I have a circuit configured to match the typical application circuit illustrated in the datasheet. However, my output voltage is not stable when my load changes. I have the…

  • Resolved

  • over 2 years ago
  • Power management
  • Power management forum

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

  

  Depeng Man

  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…

  • over 3 years ago
  • Power management
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• LM27313: Output voltage not stable issue

  

  Kevin Huang8

  TI Thinks Resolved

  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…

  • over 2 years ago
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• LM27313-Q1: Will VSHDN affect SW output?

  

  Frank QIN

  TI Thinks Resolved

  Part Number: LM27313-Q1 Hi Team, If Vin=3.3V, VSHDN=10V. Will the SW output voltage increase? Thanks Best, Frank

  • over 2 years ago
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• LM27313-Q1: LM27313 inrush current

  

  user5959647

  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?

  • over 4 years ago
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Answered

• LM27313-Q1: Output voltage overshoot at 5mA initial load condition.

  

  santhosh gowda

  Resolved

  Part Number: LM27313-Q1 Other Parts Discussed in Thread: LM27313 Hi, I am using lm27313 for converting DC 12V to 24V. My initial load current will be 5mA. Is there chance of output voltage spike to 40V and come back to 24V? Thanks.

  • Resolved

  • over 2 years ago
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Answered

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

  

  Kyungmo Koo

  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

  • over 2 years ago
  • Power management
  • Power management forum
Answered

• LM27313: power dissipation for LM27313

  

  Yanni Li

  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…

  • Resolved

  • over 5 years ago
  • Power management
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• LM27313: simulation issue

  

  santhosh gowda

  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…

  • over 4 years ago
  • Power management
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