• LMR14030-Q1: Gate Charge of output MOSFET

  

  Josef Warta

  TI Thinks Resolved

  Part Number: LMR14030-Q1 Hello Team, for worst case calculation my customer needs the gate/source charge capacity of the output MOSFET. Do we have these figures? Many Thanks Josef

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

• LMR14030-Q1: [LMR14030SQDPRRQ1] Schematic review requests and inquiries

  

  MJ Jeon

  TI Thinks Resolved

  Part Number: LMR14030-Q1 Hi, TI Support Team I am reviewing development using the LMR14030SQDPRRQ1 product from a customer. Please review the circuit diagram attached below. Please respond to any further inquiries. 1. Please explain in detail about the…

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

• LMR14030QDPREVM: LMR14030Q design cinfirm

  

  yong.fu

  TI Thinks Resolved

  Part Number: LMR14030QDPREVM Other Parts Discussed in Thread: LMR14030 Tool/software: Hi Ti expert: I used the LMR14030 for new design, I will use RT=10k for LMR14030 design, but I confirmed with the webench. the max frequency is 2.2MHz(RT=10.5KΩ).…

  • 1 month ago
  • Amplifiers
  • Amplifiers forum

• LMR14030: Why the inductor current will keep?

  

  Dylan You

  TI Thinks Resolved

  Part Number: LMR14030 Dear Teams, Please forgive my silly questions. My customer is asking why the inductor current will keep constant once we short the output. Then, if the output short to GND recover, the inductor current will go to zero? Thanks!

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

• LMR14030: lmr14030 low frequency noise issue

  

  Mason Liu

  TI Thinks Resolved

  Part Number: LMR14030 Hi, Recently I built a BUCK(from 24v to 12v) using LMR14030 with the schematic as below, but it doesn’t work well. We observe some very low freq noise in Vin, could you give us some suggestions? Thanks. BR Mason

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

• LMR14030: Enable pin voltage is greater than VIN

  

  Van Ha

  Resolved

  Part Number: LMR14030 Hi Everybody I am using LMR14030, which corresponds to multiple input voltages, but enable pin voltage is fixed at 12V. I tried to look in the datasheet but there is no relationship between VENB and VIN Can I use it in case the Enable…

  • Resolved

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

• LMR14030: EMI reduce

  

  George Zhao

  Resolved

  Part Number: LMR14030 Hi team, Customer met EMI fail @200MHz in their design at heavy load(seems fine at light load). They tried to change switching frequency but failure still same. Below is a schematic of their design and I dont have the layout on hand…

  • Resolved

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

• LMR14030: p2p device

  

  Miranda Gu

  Resolved

  Part Number: LMR14030 Other Parts Discussed in Thread: TPS54360B , LMR33630 Hi team, Could you please suggest a p2p device with LMR14030. My customers are using LMR14030 and want a back-up solution.

  • Resolved

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

• LMR14030-Q1: Efficiency curve

  

  FRANK1

  Resolved

  Part Number: LMR14030-Q1 Hi Team, Can you share me the Efficiency curve for the following design parameters? Input:5V output:1.25V Frequency: 1500KHz Thank you.

  • Resolved

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

• LMR14030-Q1: EMI RE / Vout Ripple Issue

  

  KANG JAEHOON

  Part Number: LMR14030-Q1 Other Parts Discussed in Thread: LMR14030 EMI(RE) Fail and power ripple noise since EN PIN connection was changed. EN PIN changed from VCC connection to other power. The changed other power is using TPS55160QPWPRQ1 (2Mhz Fixed). …

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

Didn't find what you are looking for? Post a new question.