Part Number: PMP9444 Hello.
Could somebody explain what is purpose of 49R9 resistor for SENSE+ input of LMZ31503, LMZ31506 and LMZ31710 on the PMP9444 schematic capture.
If I use it for 3.3V then I see 100 mV difference i.e.3,4 V which is absolute maximum…
Other Parts Discussed in Thread: LMZ31503 Hello,
I have a design that uses an LMZ31503 to produce 5V from a 9V supply. Here's the schematic, it's pretty simple:
I'm getting this from the 5V output:
I have no load attached.
Is this a protection…
Other Parts Discussed in Thread: LMZ31503 Hi
The connection method of LMZ31503/6's INH/UVLO terminal is written " Tie both pins together when using this control." in datasheet.
If I don't use IN/UVLO terminal, m ay I be connected in the same…
Other Parts Discussed in Thread: LMZ31503 Hi,
I'm trying to build a power supply network for my Artix 7 FPGA board, using TI LMZ31503 Simple Switcher ICs. I have a 1.0V and 1.8V regulator, and according to Xilinx specifications, the 1.0V rail must be enabled…
Other Parts Discussed in Thread: LMZ31503 Dear specialist
Our customer has some questions about layout.
1. Does recommended layout intend what all layers under LMZ31503 is needed same form like Figure44? Or If LMZ31503 placed top layer , only 2nd layer…
Other Parts Discussed in Thread: LMZ31503 Hello,
I am using an LMZ31503 in a design and on no load (with load disconnected), it seems to draw about 30mA.
Is there any explanation on the same. My schematic reference is shown below:
Please advice.
Other Parts Discussed in Thread: LMZ31503 , LMZ31710 Hello,
My customer uses the LMZ31710 and LMZ31503.
He sets the switching frequency as follows.
LMZ31710 : RRT=487 kohrm , fsw=300kHz
LMZ31503 : RRT=105 kohrm , fsw=780kHz
He has a question "How about…
Dear specialist
Our customer will to use INH/UVLO pin as only Inhibit function and they have two questions as below.
Q1. Is it possible to use only Inhibit function except UVLO fuction ? Q2. Does "this control" that is part of "Tie both pins together when…
Other Parts Discussed in Thread: LMZ31503 Hello all
Let me ask you a question about LMZ31503.
Required output capacitance is written on datasheet P12 , however is this value took account of DC Bias characteris of capacitor ? In the case of ceramic capacitors…
Other Parts Discussed in Thread: LMZ31503 Hello. Team.
I got a question from Our customer Sammy. The question is about the exposed thermal pins (pin#45,46,47)of LMZ31503.
When these pins do not connect with PCB, does LMZ31503 function at all temp(until…