Boost circuit using a LM3488. I have set this circuit up on the bench, it's a 1.0 amp constant current supply. I am getting some unexpected results, the FB pin from the op-amp circuit should be around 1.275v when the current is 1.0 amps through the load…
Part Number: TPS25750 Hi Sir,
Customer make their TPS25750 board (5V power sink, no need to control charger at the first version) and we meet problem in TPS25750 booting:
1. Customer's board can process dead battery procedure and wait PDO negotiation…
Other Parts Discussed in Thread: LM2733 , LM3481 , LM2735 , LMR64010 , LMR62421 , LM3488 , TINA-TI Hello,
I need help choosing the best controller for my application. We will be building a DCM flyback. Coupled inductor turns ratio is 1:10. Small size…
Other Parts Discussed in Thread: TPS40210 , LM3488 Hi All,
I have been trying to make this boost converter design using TPS40210 which has the following specs:
Input- 11 to 14 volts
Output - 16 to 21 volts
Output current - 4 A
I am not…
When I design boost converter why don't need to consider the parasitic capacitor on the mosfet and diode because the parasitic doesn't affect the circuit ? boost.pdf
Yes, your understanding is correct. Other choices might be the LM5017 or the TPS61230.
I have attached an app note that might also be of help.
2210.snva731.pdf
snva731.pdf We have several boost regulators that have load disconnect. Such as: TPS61230, TPS61232, LM3017. Search for boost regulators with load disconnect on our website. You can also use an external FET to block the path from the input to the inductor…
Please remember that, assuming 100% efficiency, the input and output power of a DC/DC converter are equal.
Your output power is about 36V*10A=360W. So you input current will be at least 360W/5V = 72A. This would require
a very large boost converter…
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…
