Part Number: UCC27223 Other Parts Discussed in Thread: LM2104 , UCC27311A
Tool/software:
Referencing the schematic from the data sheet, copied below:
I am getting very predictable, very repeatable, unexpected behavior as follows:
- When voltage…
Part Number: UCC27223 Note: the component designations that I am referring to in this post come from the data sheet of the UCC27223
I am monitoring the VLO voltage (on C2) under changing load and input voltage conditions. What I am finding is that under…
Part Number: UCC27223 I am developing a power supply using the UCC27223. On my test board I am using a signal generator to supply a PWM to the IN terminal. I am able to vary the duty cycle and frequency. The load on the power supply is a high-current…
Part Number: UCC27223 Hello. P/N: UCC27223PWPR
I am creating a delivery specification for this part number. In the Qualification Summary, the results of ESD-HBM and CDM are described as "See data sheet". However, the datasheet does not show the results…
Part Number: TPS40090 Other Parts Discussed in Thread: UCC27223 , INA849 Tool/software: hi
i use tps40090 and ucc27223 make a 4 phase buck controller，because i need constant current control，so i bypass the internal err opamp，use external err opamp and…
Hi Josh,
Thank you for your interest in the UCC27222 and UCC27223 drivers. I am looking into your inquiry about using these in a boost configuration. Since these are older devices, it may take me a little bit to confirm, as the original engineers may…
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…
