• LM62440-Q1: Inductor selection

  

  Shinji Tsuji

  TI Thinks Resolved

  Part Number: LM62440-Q1 Hi team, There is a minimum inductor requirement equation below in LM62440-Q1 datasheet to avoid sub-harmonic oscillation. There is also maximum inductance requirement based on minimum ripple required (K>10%) for current mode…

  • 1 month ago
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Answered

• LM62440-Q1: Conditions: non-switching

  

  Akito Tabata

  Resolved

  Part Number: LM62440-Q1 Hi team, What does the test condition "non-switching" mean in the datasheet? Regards,

  • Resolved

  • 6 months ago
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Answered

• LM62440-Q1: condition: non-switching

  

  Akito Tabata

  Resolved

  Part Number: LM62440-Q1 Hi team, What does "non-switching" mean in the test condition on the datasheet? Regards,

  • Resolved

  • 6 months ago
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Answered

• LM62440-Q1: Is it okay to use a resistor constant other than 100 kΩ for feedback?

  

  Toshimitsu Togashi

  Resolved

  Part Number: LM62440-Q1 Hi support team, According to the data sheet, "100 kohm is recommended for the feed back resistor constant (FBT) that determines Vout." However, we want to use a resistor of 100 kΩ or less. What is the range of resistance…

  • Resolved

  • 6 months ago
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• LM62440-Q1: MODE/SYNC setting

  

  Shinji Tsuji

  TI Thinks Resolved

  Part Number: LM62440-Q1 Hi team, Could you advise configuration of MODE/SYNC pin below? #1. Could you advise how internally biased for 2 cases below? a. AUTO/SS-ON : 6kohm pull down to GND b. AUTO/SS-OFF : 100kohm pull down to GND #2. In the case of…

  • 9 months ago
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• LM62440-Q1: Isd over temp at VIN=16V

  

  Shinji Tsuji

  TI Thinks Resolved

  Part Number: LM62440-Q1 Hi team, Could you advise the maximum value of Isd over temperature (TJ=-40c to +150c)? I would also want to know the max variations of Isd at VIN=16V. regards,

  • 9 months ago
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• LM62440-Q1: maximum Isd over temp

  

  Shinji Tsuji

  TI Thinks Resolved

  Part Number: LM62440-Q1 Hi team, Could you advise the maximum tolerance of Isd over temperature at given input voltage? The datasheet EE parameter specifies max tolerance at Tj=25c, so I would like to know this value over temp. I found Isd vs temp in…

  • 10 months ago
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Answered

• LM62440-Q1: LM62440ALPQRJRRQ1

  

  Roy Chan

  Resolved

  Part Number: LM62440-Q1 Hi Expert: Does LM62440-Q1 have output discharge feature after IC disable ? thank you Roy

  • Resolved

  • 11 months ago
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Answered

• LM62440-Q1: Buck is running on 100% duty cycle

  

  Josef Vernersson

  Resolved

  Part Number: LM62440-Q1 Hi, I have a problem where the buck seems to only be running on 100% duty cycle. Have tried two different PCBs and different loads/ input voltages See the pictures of the schematic and oscilloscope below. The following pin Voltages…

  • Resolved

  • over 1 year ago
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Answered

• LM62440-Q1: Does TI offer a Pspice model for the 400 kHz version of the fixed 3.3V converter LM62440BLP-Q1?

  

  Craig Dekker

  Resolved

  Part Number: LM62440-Q1 Other Parts Discussed in Thread: LM61460 E2E, Does TI offer a Pspice model for the 400 kHz version of the fixed 3.3V converter LM62440BLP-Q1? https://www.ti.com/product/LM62440-Q1#design-tools-simulation Thank you, Craig

  • Resolved

  • over 1 year ago
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