Part Number: LM26480 Other Parts Discussed in Thread: TPS65050 Tool/software: Hi, I need a Power Management IC with 4 LDO's in it. The requirements are
1. Each LDO should have individual EN pins
2. Each LDO output should be hardware configurable.…
Part Number: TPS65051-Q1 Other Parts Discussed in Thread: TPS65050 , I am considering this for my next project. Wanted to know what was the default power up sequence for TPS65051 and RSTOUT and its related timing. I found the sequence for TPS65050 which…
Hi,
I don't know if there is a calculation or specification of the maximum allowable noise amplitude and frequency that the Vcc pin can tolerate. The goal here is to clean up the input supply for the analog sensitive circuits inside the PMU. I suggest…
Hello,
The UCC3806 is a dual output controller though it can be used in a flyback where only one of the outputs are used to drive the switch it might be better to choose a single output controller. Look at page 46 of the attached under General Purpose…
Siyu,
I think the toggle flip-flop in the block diagram on page one of the spec should have let you know that the max you will get with this device is 50% duty.
Go to page 43 and 44 of the attached and select a more suitable part.
Peter,
i am enclosing the Power Management Guide for 2011. The section you will be interested in starts on page 43 and actual devices listed on page 46, With the minimum information you have given me I would expect that you will want something like…
Hi,
I've attached the 2013 User's Guide for power products. Starting on page 53 you will find a selection of PWM controllers. many of these teh frequency can be varied according to external criteria.
As an example if you use a UC3842 it is a simple…