Part Number: LMZ22003 Hello -
1. I am trying to understand section 8.2.2.2 of the LMZ22003 datasheet. If 20V is tied to the enable voltage divider and the top resistor is 42.2k and the bottom resistor is 12.7k, then wouldn't the voltage on the EN pin…
Hi Arief,
Here is the last data from production,
Qty fail vs qty tested Feb-2016 6 / 70 Apr-2016 8 / 70 May-2016 5 / 70 Jully-2016 1 / 70 Aug-2016 1 / 70 Oct-2016 0 / 100
On the new project/PCB, we had to replace 4 / 20 switcher. The PCB layout…
Part Number: LMZ22003 Tool/software: WEBENCH® Design Tools
I have been trying to debug this circuit for some time now.
The LMZ22003 seems to be latching to max output voltage and even if I change the RFBB resistor, I can't seem to get…
Hello Dachota,
To mount the LMZ22003, I suggest using a hot air rework station and solder paste. The purpose of the solder paste is to be able to solder the bottom DAP of the LMZ22003 to the board effectively(also the leads). The hot air rework station…
Other Parts Discussed in Thread: LMZ22003 , LM22670 I am using the attached circuit below to generate a clock at about 800K to sync two LMZ22003’s together.
The allowed synchronization frequency range is 650kHz to 950 kHz. The typical input threshold…
Other Parts Discussed in Thread: LMZ22003 It is my understanding that LMZ22003 has the inductor integrated. I am trying to improve EMI and was wondering if the inductor was open or closed core or is that even an option for an integrated inductor.
Also…
Other Parts Discussed in Thread: LMZ22003 Dear Sir/Madam,
I have four supplies +1V2, +1V5, +2V5 and +3V3. +1V5, +2V5 and +3V3 are LMZ22003. +1V2 is LMZ3170.
+1V5, +2V5 need to track +3V3. +1V2 needs to be enabled when +2V5 reaches 80% ie +2V.
The…
Other Parts Discussed in Thread: LMZ22003 , LMZ22008 Hello,
I am working with a design that is migrating from the LMZ22008 to the LMZ22003. The issue is that the LMZ22008 was capable of running at lower frequencies down to 350kHz which made using…
Other Parts Discussed in Thread: LMZ22003 , TPS62050 I have a new application which I do plan to use two LMZ22003’s. Is it possible to trim up/down the output by driving the FB pin externally using a 0-3V through a resistor? I think it depends on the…
