• LMR14030-Q1: Regulators for electronic musical instruments

  

  Danilo A.

  TI Thinks Resolved

  Part Number: LMR14030-Q1 Hi Team, Our customer will use LMR14030SSQDDARQ1 for electronic musical instruments and would to request for advice for output filter design. However, upon checking the schematic diagram it seems the circuit will not work because…

  • over 3 years ago
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Answered

• LMR14030: I need a Power chip (BUCK is OK) which the voltage can be adjusted.

  

  Qi Liu

  Resolved

  Part Number: LMR14030 Hi, support team My customer has the questions as follow: I need a Power chip (BUCK is OK) which the voltage can be adjusted. There are three gears: input 24V, output 8V, 16V and 24V. At present, I plan to use LMR14030, and then…

  • Resolved

  • over 3 years ago
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• LMR14030-Q1: the output WAVE did not stable

  

  Nightingale

  Part Number: LMR14030-Q1 Other Parts Discussed in Thread: LMR14030 IN 24V OUT 5V The output wave did not stable. Does this normal?

  • over 3 years ago
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Answered

• REF3333: Ref3333 chip damaged

  

  yong.fu

  Resolved

  Part Number: REF3333 Other Parts Discussed in Thread: LMR14030 Tool/software: Hello team, I recently burned 4 REF3333 chips which used in car amplifier, please see attached photo1. 2pcs were occured after the vehicle was assembled, and 2pcs were occured…

  • Resolved

  • 3 months ago
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Answered

• LMR14030: High amplitude sawtooth at output

  

  Anatoly Zimin

  Resolved

  Part Number: LMR14030 Hi, We implement power supply to convert 24V to 12V: And at the output we get sawtooth signal with ~5V amplitude: Please advise how we can deal with that. Thanks in advance.

  • Resolved

  • over 3 years ago
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• LMR14030-Q1: LMR14030-Q1 Power Good issue

  

  user3882661

  Part Number: LMR14030-Q1 Hi, TI experts, Input voltage 12V, output 3.3V/1A There are two questions: 1. When the input voltage rises rapidly, the output voltage will overshoot to 5.8V,why? 2. How can the Power Good pin show the waveform circled…

  • over 4 years ago
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• LMR14030-Q1: why add LC in LMR14030 avg schematic ?

  

  user3894159

  TI Thinks Resolved

  Part Number: LMR14030-Q1 I downloaded the avgerage model of LMR14030S_Q1 from TI offical website, and want to do simulation with Pspice. I want to know what's purpose of adding Linj , Cinj and V6?

  • over 4 years ago
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Answered

• LMR14030: Question about RT resistor value.

  

  Kazuya Nakai59

  Resolved

  Part Number: LMR14030 Hello guys, One of my customers is manufacturing their new products which uses LMR14030 as main power supply. In their manufacturing, they mistook RT resistor value. The correct resistor value was 23.7kohm for 1MHz switching frequency…

  • Resolved

  • over 3 years ago
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• LMR14030: Max value of UVLO

  

  user6471363

  TI Thinks Resolved

  Part Number: LMR14030 Hi, Based on 8.3.6 of LMR14030, I can calculate RENT and RENB for desired UVLO hysteresis voltage. My questions are: 1. Is the VSTART the same as UVLO_H, and VSTOP is the same as UVLO_L? 2. Can I use RENT and RENB to set VSTART to…

  • over 3 years ago
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• LMR14030-Q1: Tolerance of switching frequency

  

  Roy Chou1

  TI Thinks Resolved

  Part Number: LMR14030-Q1 Other Parts Discussed in Thread: LMR14030 Hi Team, Could you help let me know the tolerance of LMR14030 Fsw? (assume RT is 0% difference) Roy

  • over 3 years ago
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