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Alberto Fuggetta1
16 days ago
Power management
Power management forum
LMR33620-Q1: SNVMBG9A transient simulation
TI Thinks Resolved
Part Number:
LMR33620-Q1
Hi, the
LMR33620-Q1
datasheet reports a soft-start time of 4 ms; Figure 7-4 shows a similar value. I simulated the circuit in SNVMBG9A using PSpice for TI and the resulting start-up time is less than 1 ms. Which is the...
Josef Warta
6 months ago
Power management
Power management forum
LMR33620-Q1: specification of rising/falling edge
TI Thinks Resolved
Part Number:
LMR33620-Q1
Hello Team, can we specify the values for falling and rising edge of our power output stage? Customer needs this information to calculate power losses. Many Thanks Josef
Praveen Badiger
5 months ago
Simulation, hardware & system design tools
Simulation, hardware & system design tools forum
RE: WEBENCH® Tools/LMR33620-Q1: Discrepancies
Hi Barry, The device has a minimum switch-on time of 68ns For the above condition Vin=30V, Vout=3.3V, Frequency=2.1 MHz switch-on time is calculated as : Duty cycle is calculated as Duty= Vout/Vin=0.11. On time= Duty / frequency On time...
Marshall_Beck
7 months ago
Power management
Power management forum
RE: LMR33620-Q1: LMR33620ADDAR trying to simulate in TINA
Hello Greg, Can't see the image. Can you please ensure that image was correctly uploaded? I usually use jpeg and click the button with picture frame and the plus button on it in the post window. Thanks, Marshall
Sherry Liang
over 1 year ago
Power management
Power management forum
LMR33620-Q1: output ripple is too large(90mV)
Resolved
Part Number: LMR33620 - Q1 Dear team, When my customer tested the output ripple, and they found
Andy Chen
over 1 year ago
Power management
Power management forum
RE: LMR33620-Q1: About solder of SW terminal
Hi Koji, 1. Heat is dissipated not only from this terminal but also from GND/VIN.------ also from all other pins including GND/VIN 2. Since the SW pin pattern on the bottom side of the case cannot be arranged widely due to the structure of the package...
Michael Nemshon
over 1 year ago
Power management
Power management forum
LMR33620-Q1: My buck is not regulating correctly.
TI Thinks Resolved
Part Number:
LMR33620-Q1
When i had placed all components onto PCB I originally had a short but was quickly resolved. Now I am having the issue of no voltage regulation. My Vout closely matches mt Vin with minimal drop. Im expecting 3.3V. Only component...
Ankit Gupta95
over 1 year ago
Power management
Power management forum
RE: WEBENCH® Tools/LMR33620-Q1: Smiulation for Phase margin
Hi Koji, You can give a try on Classic-Webench of TI. It does have feature to plot bode-plots for the part you interested in. Please close the thread if you think my repsonse answered your question. Thanks! Best Regards, Ankit Gupta
Jared Becker
over 1 year ago
Power management
Power management forum
LMR36015-Q1: External UVLO
Resolved
for the LMR36015- Q1 ? I see that in the LMR33620 - Q1 datasheet, I see that it is acceptable via section 9.2.2.10
Marshall_Beck
over 1 year ago
Power management
Power management forum
RE: TPS5410-Q1: - This regulator is conducting 100MHz noise back to 24V input line.
Sorry for the issues. EMI can be challenging. Hotrod package devices allow for simple design with little-worry for EMI. Please see: http://www.ti.com/lit/ds/symlink/
lmr33620-q1
.pdf
>
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