TAR5SB33(TE85L,F)

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Voltage Regulation is one of the key components of power management in electronics. Linear voltage regulators are among the oldest and simplest forms of voltage regulator, and remain popular and widely used in a variety of applications. These are the easiest and most obvious way to maintain a constant voltage, and are strongly suited to small-scale and low-power applications due to their simplicity and low-cost.

The TAR5SB33(TE85L,F) is a series of monolithic linear voltage regulators. It is a cost-effective, three-terminal device featuring an output voltage range of 1.25 V to 5.5 V and an input voltage range of up to 25V.The device is designed primarily as a low dropout voltage regulator (LDO), and thanks to its low operating current and effective current-limiting capabilities could be used as a three-terminal current source. It has excellent line and load regulation, due to its integrated low-drop voltage regulator being optimized for flat load performance.

The TAR5SB33(TE85L,F) offers both cost and size savings. In terms of cost, the device has a maximum power dissipation of 1W and does not require any external components; in terms of size, the (TE85L,F) package has a pin size of 200 mils. This feature allows for good use of space, ideal for compact electronic systems.

The main application fields of the TAR5SB33(TE85L,F) are in products such as charge pumps, battery power systems, wearable electronics, mobile devices, automotive electronics and industrial control systems. The device is used primarily to convert an unregulated supply voltage to a precise, regulated output voltage.

The working principle of a linear voltage regulator is based on a voltage divider, using two resistors and a transistor that are connected in series. When the input voltage increases, the transistor will act as a resistor to reduce the voltage, while the output voltage is kept constant, as the transistor has a constant resistance. On the other hand, when the input voltage decreases, the transistor will be driven by a negative feedback signal, and its resistance will increase, thus, keeping the output voltage constant. This simple principle enables the TAR5SB33(TE85L,F) to provide a high level of accuracy, with a load regulation typically between 0.2% and 0.4%, and a line regulation of 0.01%.

In summary, the TAR5SB33(TE85L,F) is a cost-effective and highly reliable linear voltage regulator for a variety of applications. It features excellent line and load regulation, as well as low operating and dropout voltage, making it ideal for small scale, low power applications requiring precision regulation. Thanks to its integrated design and convenient packaged size it boasts excellent savings in terms of size and cost.

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