• LM26480-Q1: GNd separation for LDO and the Buck circuit

  

  Tsugumi Murata

  TI Thinks Resolved

  Part Number: LM26480-Q1 Hello, I am currently designing power circuitry using LM26480-Q1 and I have question regarding the GND separation for this chip. As this chip has pin for core ground (GND_C) , LDO ground (GND_L) , and switching GND (GND_SW1, GND_SW2…

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

• LM26480-Q1: LM26480-Q1 nPOR & pool up resistor

  

  Florent Muret

  TI Thinks Resolved

  Part Number: LM26480-Q1 Hi TI team, I have some questions regarding the LM26480-Q1 : - What is the maximal current that can support the open drain logic output nPOR when it is pulled to ground? it is not specified in the datasheet. -I use this signal…

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

• LM26480-Q1: How to test UV thresholds for bucks output rails

  

  Jean-Jacques Avenel

  Resolved

  Part Number: LM26480-Q1 Customer's safety team came back to me with some technical questions as shown below : - we would like to measure/verify threshold levels for UV detection at Buck1 and buck2 output. Moreover in data sheet there’re only typical…

  • Resolved

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

• LM26480-Q1: request schematic review of LM26480-Q1

  

  Dexter Choi

  Resolved

  Part Number: LM26480-Q1 Other Parts Discussed in Thread: LM26480 Dear Sir, Could you please review attached file of LM26480-Q1. 5707.power-sch.pdf Thanks.

  • Resolved

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

• LM26480-Q1: AC Analysis

  

  Jenny Tian

  Resolved

  Part Number: LM26480-Q1 Other Parts Discussed in Thread: LM26480 , TINA-TI I downloaded the TINA-TI Spice model of LM26480. However, couldn't get the AC Analysis working using LM26480_BUCK1 TRANSIENT MODEL. Any help on this is highly appreciated. Jenny…

  • Resolved

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

• LM26480-Q1: Switching pin's absolute maximum voltage

  

  YY

  Resolved

  Part Number: LM26480-Q1 Other Parts Discussed in Thread: LM26420-Q1 , Hello Team, My customer asks me what is the absolute max for SW pins. I found absolute voltage value at input pins. However, I don't find the value for SW pins in the datasheet. …

  • Resolved

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

• TPS65265: Could you review schematic of TPS65265 and LM26480-Q1.

  

  Dexter Choi

  Resolved

  Part Number: TPS65265 Other Parts Discussed in Thread: LM26480-Q1 , Dear Sir, Could you review attached file of TPS65265 and LM26480-Q1. power-sch.pdf

  • Resolved

  • over 4 years ago
  • Power management
  • Power management forum

• LM26480-Q1: Is there a built-in delay for LDOs?

  

  Marco Castellon

  Part Number: LM26480-Q1 Other Parts Discussed in Thread: LM26480SQ-AAEV , Hello, When using the LM26480SQ-AAEV evaluation board and also in the implementation of my design, I observe the following: Using an input voltage of 3.3V and with the ENLDOx tied…

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

• LM26480-Q1: LM26480-Q1 Sequence with EN and some questions

  

  NY

  TI Thinks Resolved

  Part Number: LM26480-Q1 Hi Team, My customer is interested in LM26480-Q1 The required output sequence is below; Vin 3.3V -> 1.8V (Back1) Vin 3.3V -> 1.1 (Back2) LDO1 3.3 -> 2.8 NPOR (1.8V) Under the above condition, can ENSW2 be enabled by…

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

• LM26480-Q1: Thermal data of LM26480-Q1

  

  Tomohiro Nagasawa

  Part Number: LM26480-Q1 Dear support team Could you provide thermal data of below condition? ◆LM26480-Q1 (only back1) ・Vin=3.3V Vout=1.2V Iout=1.4A @105℃ ・Vin=3.3V Vout=1.2V Iout=1.4A @25℃ Regards Tomohiro Nagasawa

  • over 7 years ago
  • Power management
  • Power management forum

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