Part Number: TPS54228 Other Parts Discussed in Thread: TPS562203 Tool/software: Hi,
The datasheet states that the maximum recommended duty cycle for TPS54228 is 65%.
What are some examples of problems when operating at duty ratios greater than 65…
Part Number: TPS54228 Other Parts Discussed in Thread: PMP4472 , TPS562203 , TINA-TI Tool/software: Hi team,
Is it okay to use TPS54228 for 5V-to-3.3V conversion?
My customer is using TPS54228 in the project in production.
At that time, the max…
Part Number: TPS54228 Tool/software: Dear Experts,
I would like to know the maximum voltage of VBST pin when the Vin is 12V, in order to know the ceramic 0.1uF capacitor voltage that I need to place.
current Im using Ceramic Capacitor 0.1uF 25V…
Part Number: TPS54228 Hi team,
My customer is designing the circuit of this device and have some questions about it.
In the datasheet, there is a table about the recommended component values.
If the output voltage is 1.8V or 3.3V, even if the…
Part Number: TPS54228 Hi team,
In this section, there is a fomula for the ajustable soft start function.
If the customer don't need a soft start and wants to use small cap for this, what will be the minimum value for it?
Also, if they use a…
Part Number: TPS54228
Hi,
According to datasheet P,3, EN is active high and must be pulled up to enable the device. Could you please explain the reason why EN pin must be pulled up?
My customer wants to connect Vdd directly, because board size is…
Part Number: TPS54228 Hi team,
Could you give me comment on following customer question? The customer looks for alternative bootstrap cap options due to EoL. Datasheet describes a 0.1uF must be connected, but de-rated value looks to be less than 0.1uF…
Part Number: TPS54228 Hi,
Could you please support me to review power section. we used single channel buck converter output of 3.3V @ 1.3A. Kindly provide your comments asap.
Meanwhile we have used LDO output of 1.2V @ 100mA. kindly review that…
Part Number: TPS54228 Other Parts Discussed in Thread: TPS54227 , Hi team,
Currently customer’s TPS54228DR is facing shortage problem and they want to replace it with TPS54227DDAR. As you mentioned, the difference is that TPS54227DDAR has thermal pad…
Part Number: TPS54228 Hi Experts,
My customer wants to estimate the efficiency with below condition but Webench says below.
Vin ; 5V
Vout : 3.3V
Iout : 1.1A
Ta = 85 degC
We need to estimate the efficiency. What is the problem?
Regards…
