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Thomas Aero
4 days ago
Power management
Power management forum
LM46002: LM46002PWP ouput problem while powering up
Part Number:
LM46002
Hi, the Output voltage of the LM4002 is set to +5V. But sometimes in the first 100ms after powering up the output voltage rises up to 11V. Then it slowly comes back to 5V and then it works fine. The capacitor Cff which is parallel...
Manuel Calmaestra
1 month ago
Power management
Power management forum
LM46002: Buck boost inverter configuration: unstable output at 1A load
Resolved
Part Number:
LM46002
I am using
LM46002
as an inverter in order to get -12V output when Vinput
David Kim2
2 months ago
Power management
Power management forum
LM46002: Question for leakage current on each pin of LM46002
TI Thinks Resolved
Part Number:
LM46002
The customer measured the leakage current of pins 8 and 12 of
LM46002
as shown. They think it is defective because there is a slight difference compared to normal products. Can you see it as defective beyond the scope of the...
Charles Cammarata45
2 months ago
Power management
Power management forum
LM46002: Formula 22 for Cff may have an error
TI Thinks Resolved
Part Number:
LM46002
Hello. Formula 22 in the
LM46002
data sheet is yielding results that do not make sense. I am getting values much larger than expected. Can someone check this formula? It looks like there is a typo there.
Praveen Badiger
3 months ago
Simulation, hardware & system design tools
Simulation, hardware & system design tools forum
RE: WEBENCH® Tools/LM46002: LM46002 TINA simulation for -12V/1.5A
Hi Sadashiva, The device is being hit the Valley current limit(2.05A). The valley point of the inductor current is above the current limit threshold. Please refer the section 7.3.12 Overcurrent and Short-Circuit Protection in the datasheet for more...
Graham North29
5 months ago
Power management
Power management forum
LM46002: Inverting Buck Topology - some questions
TI Thinks Resolved
Part Number:
LM46002
Design: 24V In -17V Out 0.5A max At what load should I expect the part to drop into PFM operation? How is this affected by the switching frequency set by RT? What amount of output capacitance should I have for -17V Out...
Graham North29
6 months ago
Power management
Power management forum
LM46002: SNVA721A Low EMI Layout Ap Note - Solid Grounds?
TI Thinks Resolved
Part Number:
LM46002
I was looking at the Ap Note SNVA721A and found the suggestion about solid ground planes interesting and would like to discuss it. Do we really think it's a good idea to have solid ground planes under the switching note and...
Daniel Li14
5 months ago
Power management
Power management forum
RE: LM46002: Vout stays at ~ 1.7V after a random number of reboots.
Michael: thank you. it is pitty that we don't solve the issue, hope your new solution works fine.
Michiaki Tanii
10 months ago
Power management
Power management forum
LM46002: OV detection function
TI Thinks Resolved
Part Number:
LM46002
Hi team, Could you kindly advise for more detail of the OV detection function of
LM46002
? Our customer is looking for the devices with OVP function. Thank you and best regards, Michiaki
Guy Watelle
10 months ago
Power management
Power management forum
LM46002: power supply stops working after 2 month
Resolved
Part Number:
LM46002
My
lm46002
work great but one a while, the chip stop working. I have read
>
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