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  Erich Zelmer

  • 4 months ago
  • Power management
  • Power management forum

  LM3480: Doesn't work up to maximum rated input voltage

  TI Thinks Resolved

  Part Number: LM3480 The LM3480IM3-3.3/NOPB voltage regulator will not work in our test circuit with Vin above 16V. When Vin > 16V the output voltage begins to decrease to ~ 2.6V and current is limited to < 30mA. Ambient temperature was around...
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  Stefan Winberg1

  • 10 months ago
  • Power management
  • Power management forum

  LM3480: LM3480 turns off output unexcpectedly at startup

  Part Number: LM3480 Hello. When I apply voltage to the LM3480IM3-15, the output from the regulator is turned on and off a couple of times before it stays at the wanted 15V. Vin ( and also Vout from regulator) ramps from 0V to 15V for approx. 20ms. Vin...
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  Ulf Seifert

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

  LM3480: LM3480 reverse current latching

  • Resolved

  Part Number: LM3480 Hi, I have a LM3480 for supplying an µC from 12V. Because I want to use the 5V
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  Brian Wang0928

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

  LM3480: MCP1702

  TI Thinks Resolved

  Part Number: LM3480 I'm looking for a regulator which can compete with MCP1702. The LM3480 can only support 100mA and not SOT89 package.Is there any similar product to compete? application: Motor Drive Regards Brian
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  Ryan Eslinger

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

  RE: LM3480: LM3480 / Short circuit current

  Hi Harsh, The figures Kai refers to show the typical characteristics of current limit. It is possible to have a unit with a higher maximum. Unfortunately on LM3480 we do not have a tested maximum for the short circuit. Very Respectfully, Ryan
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  Ryan Eslinger

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

  RE: LM3480: Problem with the LM3480 at 70°C

  Hi Antoine, The Thermal Information numbers are typical and assume a JEDEC board as described in the following Application Report: www.ti.com/.../spra953c.pdf The typical LM3480 will limit its junction temperature to 150 C. It is possible that...
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  Ruaridh Mackinnon

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

  lm3480: Is there a pin compatible alternative with very low no-load power consumption?

  Part Number: lm3480 LM3480IM3-3.3/NOPB I'm trying to reduce the power consumption of an existing design without modifying the PCB. Is there a similar part with lower current draw? Normal Vout draw is 8mA, but in sleep mode, only 80uA is required...
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  Tim Christman

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

  BQ25703AEVM-732: Power input to 3.3v LM3480

  • Resolved

  on the BQ25703A-EVM, and I am a little confused about the power input to the 3.3v LM3480 LDO. According
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  Tim Christman

  • over 2 years ago
  • Data converters
  • Data converters forum

  ADS1220: Adding adc to BQ25703AEVM reference design

  • Resolved

  (GND in the BQ25703AEVM schematic) and the 3.3v LM3480 LDO for AVSS and AVDD. I was concerned about
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  David Hopkins

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

  RE: LM3480 Failing at 24 VDC input

  Hi Steve, Yea I would try increasing the cap - especially for off-board power. -David

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