Download Center. Datasheet The LF33CV is a very low drop voltage regulator with inhibit. It has an output voltage of V and a output current of mA. LF33CV datasheet, LF33CV circuit, LF33CV data sheet: STMICROELECTRONICS – VERY LOW DROP VOLTAGE REGULATORS WITH INHIBIT,alldatasheet. STMicroelectronics LF33CV: available from 29 distributors. Explore Integrated Circuits (ICs) on Octopart: the fastest source for datasheets, pricing, specs.
|Published (Last):||4 March 2010|
|PDF File Size:||10.54 Mb|
|ePub File Size:||2.88 Mb|
|Price:||Free* [*Free Regsitration Required]|
That minimum amount is called the dropout voltage. Imagine that on my tutorials I use 12V lf33cv datasheet source but you have only one 9V battery. It doesn’t matter which one we prefer as long as we are consequent. Switching converters provide much greater lf33cv datasheet efficiency as DC-to-DC converters than linear regulators, which are simpler circuits and waste some amount of power as heat.
The answer is simple: Lf33xv means both that for some applications an adequate heatsink must be provided lf33cv datasheet, and also that a often substantial portion of the input power is wasted during the process, rendering them less efficient than some other types of power supplies.
A simplest option is to fill one of the reservoirs while make lf33cv datasheet empty. Using linear voltage regulator you have to take into accout that all of them require an input voltage at least some minimum amount higher than the desired output voltage.
The difference is dissipated as heat. We may preffere buck converters lf33cv datasheet further over linear regulators because they are more efficient and do not require heat sinks, but they are more expensive.
If water level in both reservoirs is the same, no water flow in our pipe can be lt33cv and a paddle wheel stays motionless. To change this, as we do in a lf33cv datasheet analogy, we have to fill with electrons one side negative side of a datashdet while make second side scarce of electrons positive side.
To move our paddle wheel, we have to generate a water flow in a lf33cv datasheet. As lf33cv datasheet rule of thumb we have to remember that for linear voltage regulator the input voltage must always be higher than the daatsheet voltage by some minimum amount. For example, a common regulator such as the has an output voltage of 5V, but can only maintain this if the input voltage remains above about lf33cv datasheet.
This is known as alternating currentor AC. In practise we consider a virtual flow of lf33cv datasheet positive particle from plus to minus. The reason for this is that presence of electrons is not enough to power a device as presence lf33cv datasheet water is not enough to move paddle wheel. datasjeet
Imagine a pipe interconnecting two identical reservoirs filled with some amount of water. This could be a problem, because all components’ values like resistance, capacity etc woud be for you useless force you to recalculate all of them. A voltage regulator is designed to dagasheet maintain a constant voltage level. The most basic converters of this type costs about PLN which is lf33cv datasheet more lf33cv datasheet than linear regulator.
The ratio stays, more or less, constant for different currencies. The flow of current that we get from lf33cv datasheet power outlet in our datssheet is very different.
Please complete the security check – Octopart
Additionaly somewhere in a pipe a paddle wheel is mounted to make our observations easier. At this point we can say A voltage regulator is designed to automatically maintain a constant voltage level. Compare for example pinouts for LDO 3. We will not discuss this topic here. Switching converters When the output regulated voltage must be higher than the available lf33cv datasheet voltage, no linear regulator will work. In this situation, something like a switched-mode power supply.
That is why I made a decision to start from circuit which as lf33cv datasheet takes almost any power source but as output generates every time 3. When lf33cb supply voltage is less than about 2V above the desired output voltage, so-called lf33cv datasheet dropout regulators Lg33cv must be used. Our obserwation is that despite we have a conductor pipe and lf33cv datasheet inside it water which can power our lf33cv datasheet move a paddle wheels nothing happens.
LF33CV Datasheet(PDF) – STMicroelectronics
This lf33cv datasheet of circuits is called voltage regulator. This ,amount” depends on type of regulator: Please try lf33cv datasheet find information about dropout voltage in datasheet of some regulators see further.
We have lf33cv datasheet conductor, like a copper wire, and something inside it electrons which can power our device LED but nothing happens.