• 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…

  • over 3 years 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 4 years 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 4 years 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 4 years 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 4 years 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 5 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 5 years ago
  • Power management
  • Power management forum
Answered

• LM26420-Q1: LM26420-Q1

  

  user3930661

  Resolved

  Part Number: LM26420-Q1 Other Parts Discussed in Thread: LM26420 Quick power down controlled by EN ? We do need a forced dischage of the output capacitors. When changing EN from 1 to 0, will the bottom N-FET be activated in order to to quickly discarge the…

  • Resolved

  • over 6 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 5 years ago
  • Power management
  • Power management forum

• TPS62442-Q1: What is the TPS62442-Q1 max Duty cycle range

  

  yuming Shao

  Part Number: TPS62442-Q1 Other Parts Discussed in Thread: LM26420-Q1 , Hi Friend , AS LM26420-Q1 Spec, I can find the DMAX just below the pic . but I can't find the same parameter in the TPS62442-Q1. so can you give me this parameter of TPS62442-Q1…

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

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