• LMR14203: Input-output voltage difference of LMR14203

  

  tanaka-ki

  TI Thinks Resolved

  Part Number: LMR14203 What is the required input-to-output voltage difference for the LMR14203 to operate stably? Please tell me about the relationship between input/output potential difference and load current.

  • 9 months ago
  • Power management
  • Power management forum
Answered

• RE: LMR14203: Need the maximum operating voltage applied across the bootstrap capacitor for LMR14203 and LM2842Y

  

  Daniel Li14

  Resolved

  HI yes, it is independ of Output voltage and input votage unless Vin<5V, as the boot voltage won't higher than Vin. The max working voltage is less than 7V,

  • over 1 year ago
  • Power management
  • Power management forum
Answered

• LMR14203: Device shutdown above 60C

  

  Danilo A.

  Resolved

  Part Number: LMR14203 Hi Team, We have received this inquiry from our customer, I have designed the LMR14203X into a prototype board and it's shutting down above 60C ambient. It will restart once cooled to 22C, so I'm probably tripping its internal…

  • Resolved

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

• LMR14203: FAILURE MODE

  

  Gabriele Pellegrinelli1

  TI Thinks Resolved

  Part Number: LMR14203 Hi guys. Can you help me to find the failure mode about LMR14203XKME/NOPB and/or LMR14206XMKE/NOPB? Thanks. BR, Gabriele.

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

• LMR14203: about flywheel diode

  

  ACGUY

  Resolved

  Part Number: LMR14203 Hello E2E, When it used the FRD for flywheel, the power supply circuit output voltage has unstable at low temperature (Ta=-20 deg-C). When it used the SBD, the output voltage has stable at low temp too. I know the FRD has drift -2mV…

  • Resolved

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

• LMR14203: LMR14203 schematic reviw

  

  Dexter Choi

  Resolved

  Part Number: LMR14203 Dear Sir, Could you review my schematic as attached file. Vin: 12V Vout: -10V Iout: 20mA LMR14203 schematic.pdf

  • Resolved

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

• LMR14203: Power sequence

  

  dinesh gupta

  TI Thinks Resolved

  Part Number: LMR14203 Other Parts Discussed in Thread: DAC8718 , We are using this regulator for "DAC8718", for this DAC we need to do power on sequencing. As of now we are applying all powers together. We need a way to delay 15V supply which…

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

• LMR14203: IC switching off seemingly randomly

  

  Dan Harvey31

  Resolved

  Part Number: LMR14203 Hi, I am running some LMR14203 chips with 40Vin, 28Vout, components as below: I seem to have some chips that are switching off and restarting during operation (see switch off in scope trace) I am relatively sure it's not a thermal…

  • Resolved

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

• LMR14203: How to output negative voltage

  

  Liu Yang

  Resolved

  Part Number: LMR14203 Dear My Japan customer has a question about LMR14203XMKE/NOPB. The question is below: Please tell me how to output negative power. 1. Is the GND terminal good for connection to GND of VIN? 2. About /SHDN control, when turning off…

  • Resolved

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

• LMR14203: depending on the Cap IN, the buck converter burns

  

  Renato Ferreira

  TI Thinks Resolved

  Part Number: LMR14203 Other Parts Discussed in Thread: LM2841 Hello! I designed a project that uses the LMR14203 converter. After mounting only the power supply components I noticed that, sometimes, after powering up the circuit, the output is short…

  • over 5 years ago
  • Power management
  • Power management forum

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