• LMR38010-Q1: power loss calculation

  

  Zhenyu Chen

  TI Thinks Resolved

  Part Number: LMR38010-Q1 Other Parts Discussed in Thread: LMR38020-Q1 , regarding the chip LMR38010-Q1/LMR38020-Q1, could you provide me some power loss calculation sheet for the chip?

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

• LMR38010-Q1: EP connection in IBB application

  

  Craig Javid

  TI Thinks Resolved

  Part Number: LMR38010-Q1 Other Parts Discussed in Thread: LMR38010 I am using the LMR38010 as an inverting buck-boost regulator to convert 24V to -7V. Should the EP pad be connected to the GND pin which becomes the negative output of the converter as…

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

• LMR38010: How to decide the no of output capacitors required

  

  ALPHONS PULICKAN

  TI Thinks Resolved

  Part Number: LMR38010 Tool/software: Hi All The output capacitor table for LMR38010 is shown above. For calculations involving a voltage conversion from 24V to 12 V at a frequency of 1000kHz , with an output current of 1A, a current ripple ration…

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

• LMR38010: Vref tolerance in PFM mode

  

  TISL

  TI Thinks Resolved

  Part Number: LMR38010 Dear e2e Support, Can we share our spec for the Vref tolerances, in PFM mode? Is it out of spec to get a Vref measurement above 1.04V, in this mode? Regards,

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

• LMR38010: holding output when pulled up with negative current

  

  Bert Vogt

  Resolved

  Part Number: LMR38010 Other Parts Discussed in Thread: TPS40055 Hi, I have a question concerning the FPWM of the LMR38010FSDDAR. Take a basic circuit with 48V input and 9V output. In my application it might be that the output is pulled higher than…

  • Resolved

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

• LMR38010: INDUCTOR GND LAYOUT

  

  kwon

  Resolved

  Part Number: LMR38010 Other Parts Discussed in Thread: LMR38020EVM HI~ The link below says, “GND should not be placed under the INDUCTOR.” https://techweb.rohm.com/product/power-ic/dcdc/dcdc-design/3254/ However, DATASHEET 11.2 LAYOUT EXAMPLE has…

  • Resolved

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

• LMR38010: LMR38010 support switch PWM or FPWM automatically

  

  Bo Xian Yeh

  TI Thinks Resolved

  Part Number: LMR38010 Hi Expert, I want to check if LMR38010 have function to switch PWM or FPWM automatically? Or device only have one mode and need to choose different part number? Thank you.

  • over 4 years ago
  • Power management
  • Power management forum

• LM5163: LM5163 and LMR38010 current entering SW pin when disabled

  

  Alex L

  TI Thinks Resolved

  Part Number: LM5163 Other Parts Discussed in Thread: LMR38010 Hello, I was wondering: what is the behaviour of LM5163 and LMR38010 SW pin when some current is injected on Vout (from 0mA up to 50mA), with Vout=0 i.e. when Vout rail is pulled up by…

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

• LMR38010: LM5163

  

  Zoey Wu

  TI Thinks Resolved

  Part Number: LMR38010 Other Parts Discussed in Thread: LM5163 Hi team, Does LM5163 can be directly replaced with LMR38010 without any hardware change? I noticed that the EN &VIN pins are a little different.

  • over 3 years ago
  • Power management
  • Power management forum
Answered

• LMR38010: Spread Spectrum at light load

  

  R.Fukunaga

  Resolved

  Part Number: LMR38010 Hi all I would like to know Spread Spectrum function at light load. The device enters PFM mode at light load. I understand switching frequency is lower in PFM mode. ・Is Spread Spectrum functioning in PFM mode? …

  • Resolved

  • over 3 years ago
  • Power management
  • Power management forum

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