• LM3489-Q1: Buck operation issue and mosfet switching issue

  

  VINAY KUMAR

  TI Thinks Resolved

  Part Number: LM3489-Q1 Other Parts Discussed in Thread: LM3489 the buck converter simulation circuit is given above with LM3489 model. In this application of input voltage range of 8,12, 18 Volts and output required is of 12V. But what we observed is…

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

• LM3489-Q1: Quires on EVM for 100W PD

  

  Nikhil Kakade

  Resolved

  Part Number: LM3489-Q1 Other Parts Discussed in Thread: LM3489 , TPS5450 , LM61460 , LMQ61460 , LM61495 Hi, We are designing a Dock that can deliver 100W PD source (20V, 5A max) in DFP mode and has USB3.2 HUB for downstream ports. We have the below queries…

  • Resolved

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

• LM3489-Q1: About LM3489QMM / NOPB

  

  Tomoyuki Taguchi

  TI Thinks Resolved

  Part Number: LM3489-Q1 Other Parts Discussed in Thread: TPS65988 Is "ESR" in the calculation formula of the switching frequency the ESR of the output capacitor? Also, the LM3489QMM / NOPB is used in the TPS65988 Evaluation Module. What is the…

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

• LM3489-Q1: Request to check the circuit

  

  Tomoyuki Taguchi

  TI Thinks Resolved

  Part Number: LM3489-Q1 Other Parts Discussed in Thread: PSPICE-FOR-TI I would like you to check the circuit. Input voltage: 5 V, 9 V, 15 V, 20 V Output voltage: 5V, 9V, 15V, 20V Output current: 3A (MAX) It is designed according to the circuit diagram…

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

• LM3489-Q1: Inductor ripple formula clarification

  

  Michael Rourke

  Resolved

  Part Number: LM3489-Q1 Other Parts Discussed in Thread: LM3485 , LM3489 Reference the latest LM3489-Q1 datasheet: SNVS443C –MAY 2006–REVISED DECEMBER 2016 On page 15, The equations for the inductor ripple as a function of output current is…

  • Resolved

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

• LM3489-Q1 Internal pull up resistor value

  

  Rajesh Gupta

  TI Thinks Resolved

  Other Parts Discussed in Thread: LM3489-Q1 What is the internal pull up resistor value in LM3489-Q1. How to decide the external resistor? Regards Rajesh Gupta

  • over 9 years ago
  • Power management
  • Power management forum

• TPS65987EVM: Quires on EVM for 100W PD

  

  Nikhil Kakade

  TI Thinks Resolved

  Part Number: TPS65987EVM Hi, We are designing a Dock that can deliver 100W PD source (20V, 5A max) in DFP mode and has USB3.2 HUB for downstream ports. We have the below queries: 1. For our application TPS65987D looks suitable. We checked the TPS6589…

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

• LM3489: Fast response power management

  

  user4090349

  Resolved

  Part Number: LM3489 Other Parts Discussed in Thread: LM61495-Q1 , LM61460-Q1 , LMZM23601 , Hello I want a fast response power management chip. 1. response time < 400us 2. ripple < 20mV 3. output voltage, 3.3V 4. Input voltage, 4.5V ~21V

  • Resolved

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

• LM5165-Q1: 1A with hysteresis

  

  Kuan Wei Chen (Kevin Chen)

  Resolved

  Part Number: LM5165-Q1 Other Parts Discussed in Thread: LM5164-Q1 , LM5165 , LM5164 , LM3489-Q1 , LM5161 Dear Team, Do we have 1A AEC-Q100 solution with hysteresis control? BR Kevin

  • Resolved

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

• LM2841-Q1: Difference LM2840/41/42-Q1

  

  Holmer Grimm

  Resolved

  Part Number: LM2841-Q1 Other Parts Discussed in Thread: LM2841 , LM2840 , LM2842 , TPS57060-Q1 , LP2951 , LM3489 Both have the same Rds,on and current limit, but the LM2840(-Q1) has better efficiency at 100mA, and the curve is still rising. Why is it only recommended…

  • Resolved

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

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