Part Number: UCC2805-Q1 Hi Expert,
The engineer is using the UCC2805-Q1.
Pls help to clarify the question about frequency behavior.
They are setting 100kHz from (10k +1000pF) on RC pin.
The results is 100khz on output pin and 200khz on RC pin…
Part Number: UCC2805-Q1 Other Parts Discussed in Thread: UCC2805
This is related question to above E2E question.(same customer,same application)
Customer consider to add OVP circuit.
When OVP is detected,they make low COMP pin.We have question in…
Part Number: UCC2805-Q1 The customer uses UCC2805-Q1 and transformer to constitute flyback isolated power supply. Could you please answers for the following question related to UCC2805-Q1.
Q1. If the voltage input to the FB pin shorted to 0V, will the…
Other Parts Discussed in Thread: UCC2805-Q1 Hi team,
Could you please answers for the following question related to UCC2805-Q1 max rating?
1. Absolute max rating voltage of VCCis 12V in datasheet. And 13.5V is clampped in the block diagram. So could…
Part Number: UCC2897A Other Parts Discussed in Thread: UCC2803 , UCC2805 Tool/software: Hi Team,
We have a requirement to convert -48V to +12V @3A (or above) and came across the UCC2897A. I would like to check whether this part can accept a negative…
Part Number: UCC28C56H Other Parts Discussed in Thread: UCC2805 Tool/software: Customer want to design a DCDC BUCK power, the design specifications is list:
1.input:500VDC-900VDC
2.output:320VDC/1.5A/300W
3.no isolation
4.BUCK topology
Can UCC28C56H…
Other Parts Discussed in Thread: UCC2803 , UCC2805 Hi Team,
Please help to suggest proper and very compact isolated solutions to meet the requirements.
1. Vin = 8V -28VDC
2. Vout = 5VDC
3. Pload max = 5W
4. Pload avg =3W
5. operating temp…
Part Number: UCC2803 Other Parts Discussed in Thread: UCC28C43 , UCC2805
We were looking to replace UCC28C43 with UCC280x since it can operate at lower VIN in a flyback.
We dropped in the 2803 which we didnt' realize a 100% max duty cycle and adjusted…
Part Number: UCC3805 Other Parts Discussed in Thread: UCC2805 , UCC2803 , UCC2802 , UCC2801 , UCC2804 Hi,
I'm using the UCC3805 controller in a flyback design, converting 8V to 500V. The existing design has a 12k and 1.1nF on the RC but when measured…
Other Parts Discussed in Thread: CD4047B , UCC2803 , UCC2805 Hi Team,
Our customer is looking for a PWM controller with adjustable duty cycle. He is considering the CD4047B but I understand that the duty cycle is fixed at 50% due to the internal flip…
