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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
LM3480
IM3-3.3/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...
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
LM3480
IM3-15, 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...
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
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
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
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...
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
LM3480
IM3-3.3/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...
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
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
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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