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Basil baby
3 months ago
Power management
Power management forum
LM431: Anode to cathode voltage(VCA) in comparator mode operation
Resolved
Part Number:
LM431
Can someone help me to get the anode to cathode voltage of
LM431
A in comparator
Slava Prokopii
5 months ago
Power management
Power management forum
LM431: LM431BIM3N1C vs LM431BIM3/NOPB
Resolved
Part Number:
LM431
Hello. In our project, which is on mass production stage already, we applied
Zhengquan Lu
11 months ago
Power management
Power management forum
LM431: Question about the maximum ambient temperature
Resolved
Part Number:
LM431
Hi team, My customer use
LM431
device for reference voltage, and the output
Spring2020
11 months ago
Power management
Power management forum
RE: Using adjustable LM4041 shunt voltage reference instead of LM431
Hi, Thank you very much for a quick reply. LM4041 is an attractive shunt voltage reference, because it has a low minimum operating current 65 uA. In the case, when the input voltage is a battery, it is important to have over-voltage protection...
Vincent HURET
over 1 year ago
Power management
Power management forum
LM431: LM431
TI Thinks Resolved
Part Number:
LM431
Hello I am using the
LM431
, works well at 14V, I get a 1 volt difference between Vin and Vo with Iz less than 5 mA, everything is ok BUT, at 28V, impossible to goi down 50 mA for Iz ( I am still in the spec ) but the
LM431
heats...
Nadim Sakr
over 1 year ago
Power management
Power management forum
LM431: Vref regulation voltage 2.6V instead of 2.5V
TI Thinks Resolved
Part Number:
LM431
Hello, I am using the
LM431
BIM3 in the control loop of a flyback converter. However instead of having a Vref of 2.5V, i am measuring 2.6V instead which makes my output regulates at 12.6V instead of 12V. R2=4.7k, R1=18k, R3=2.2k...
Marcoo Z
over 1 year ago
Power management
Power management forum
RE: LM431: Vout oscillation
Hi Jason, Can you verify if it is 1nF or 1uF total cap?
Abhinav Ranjan
over 1 year ago
Power management
Power management forum
LM431: LM431
TI Thinks Resolved
Part Number:
LM431
Hi TI team, We're using
LM431
in a Crowbar OVP circuit. We have been facing something strange in this use case of
LM431
; it is that initially the crowbar was triggering way above the designated threshold and consequently we...
Marcoo Z
3 months ago
Power management
Power management forum
RE: LMV431A: Anode to cathode voltage(VCA) in comparator mode operation
HI Basil, We do not. The main difference between the
LM431
and LMV431 is the VKA when VREF > 1.24V/2.495V. For the
LM431
, When VREF > 2.495V the VKA = ~2V as the app note shows. For the LMV431, When VREF > 1.24V the VKA = ~1V. This is the...
Satoshi
over 2 years ago
Power management
Power management forum
LM431: Stability Boundary Condition for High Iz condition
TI Thinks Resolved
Part Number:
LM431
About stability boundary condition of
LM431
, datasheet P7 is described only Iz:10mA condition. Is there the other stability data for high Iz condition? (For example, Iz:22.5mA) Is
LM431
applicable below design calculator? ...
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