• LM26420: 3.3V Output with Input between 3.0V and 4.2V

  

  Brenton Yiu

  TI Thinks Resolved

  Part Number: LM26420 I'm looking to use the LM26420 in a design. The input voltage will be from 3.0V to 4.2V and I would like the output voltage to be 3.3V. Will this part work for my design requirements?

  • 1 month ago
  • Power management
  • Power management forum

• LM26420-Q1: Power Section Review

  

  Dineshkumar R

  TI Thinks Resolved

  Part Number: LM26420-Q1 Hi, Need a review on LM26420Q1XMHX/NOPB part. Vin -5V Vout1 - 3.3V Vout2 - 1.2V Fsw - 2.2MHz Iout1 - 1.21A Iout2 - 1A Based on above details, I have updated those values in webench, Inductor values shows as 3.3uH. But as per manual…

  • 3 months ago
  • Power management
  • Power management forum

• LM26420-Q1: SHORTING of OUTPUTS

  

  GANESH

  Part Number: LM26420-Q1 Hi Everyone, LM26420-Q1 has 2 voltage outputs. I am planning to use the part with MPN: " LM26420Q1XMH/NOPB " Pl. suggest me whether I can short 2 outputs, so as to cater the high load (which is >2A)? If YES, any caution…

  • 8 months ago
  • Power management
  • Power management forum

• LM26420-Q1: Output discharge

  

  beyondeva

  Part Number: LM26420-Q1 Hi I want to ask about the discharge time of DC/DC converter LM26420-Q1. For example, if the 2.2V output voltage will drop when the enable signal of the DCDC power supply is turned off, then I want to know how to calculate the…

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

• WEBENCH® Tools/LM26420-Q1: Need simulation model for LM26420

  

  user3498266

  TI Thinks Resolved

  Part Number: LM26420-Q1 Tool/software: WEBENCH® Design Tools Hi, I want to do simualtion on LM26420 , but there is no any simulation model and no webench support, who can provide me the simulation model or alternative simulation model,thanks!

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

• WEBENCH® Tools/LM26420-Q1: LM26420-Q1 Efficiency problem

  

  Chiha khalil

  Resolved

  Part Number: LM26420-Q1 Tool/software: WEBENCH® Design Tools Hi, I used LM26420-Q1 as dual step-down DC/DC converter with 1.8V & 3.3V output voltage. I have problem of efficiency (60%) with the outpout voltage 2 (1.8V) !!

  • Resolved

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

• LM26420-Q1: SCH review

  

  Amelie Zheng

  TI Thinks Resolved

  Part Number: LM26420-Q1 Hi Team, Could you please help to review this SCH?

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

• LM26420-Q1: LM26420-Q1 EMC- Conducted emissions from components/modules – current probe method

  

  zanlin zhu

  Part Number: LM26420-Q1 Other Parts Discussed in Thread: LM26420 Hello Our power systerm ： Vin=5V，output：3.3V/500mA，1.2V/500mA. Part number：LM26420Q1XSQ/NOPB. Test method ： Conducted emissions from components/modules – current probe method ，lever…

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

• LM26420-Q1: the calculation of the D1&D2 in LM26420-Q1 Detailed Design Procedure

  

  user4681182

  Resolved

  Part Number: LM26420-Q1 Other Parts Discussed in Thread: LM26420 HI There is an example to calculatie the D1 and D2 in LM26420 datasheet, but i can not get the same result. would you mind to explain the detail calculation for me? TKS!!

  • Resolved

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

• LM26420-Q1: Loop Response

  

  Vidhya Jeyapaul

  TI Thinks Resolved

  Part Number: LM26420-Q1 Other Parts Discussed in Thread: LM26420 HI Team, LM26420Q1XSQ/NOPB part for 3.3V (0.2A actual consumption) and 1.2V (0.45A actual consumption) generation on board. 1.2V Gain margin fails. Kindly share your feedback to improve…

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

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