UC385T-3

Series:	--
Packaging:	Tube
Part Status:	Active
Output Configuration:	Positive
Output Type:	Fixed
Number of Regulators:	1
Voltage - Input (Max):	7.5V
Voltage - Output (Min/Fixed):	2.5V
Voltage - Output (Max):	--
Voltage Dropout (Max):	2.1V @ 5A
Current - Output:	5A
PSRR:	--
Control Features:	--
Protection Features:	Over Temperature, Reverse Polarity, Short Circuit
Operating Temperature:	0°C ~ 100°C
Mounting Type:	Through Hole
Package / Case:	TO-220-5
Supplier Device Package:	TO-220-5
Base Part Number:	UC385-3

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The UC385T-3 is a low dropout (LDO) series of two-terminal voltage regulator which is specifically designed to meet the stringent requirements of portable applications, such as cellphones, digital cameras, PDAs and many more. Utilizing its advanced BiCMOS process and wide input voltage range, the UC385T-3 series offers high output current accuracy and fast transient response, high power supply rejection ratio, wide operating temperature range and low power consumption. This makes it ideal for applications where a stable, low noise, low input voltage and power supply is necessary.The UC385T-3 is a linear voltage regulator and its basic principles of operation are relatively simple. The device references a stable Vref (a fraction of the input voltage), and then creates a reference current Iref which is used to sense the output voltage. Then the UC385T-3 adjusts the output voltage by controlling the amount of current sent to the output. This is done using a pass transistor which is operated from a control input that is supplied with a signal from an internal error amplifier. The difference between the actual voltage at the output and the desired voltage is fed back to the error amplifier, which adjusts the control signal to the pass transistor in order to achieve the desired output voltage. Thus, the UC385T-3 is able to regulate the output voltage over a wide range of input voltages and supply currents.The UC385T-3 series is available in a variety of output voltage configurations and load currents, ranging from 0.8V to 6V, and up to 2A. They are available in industry standard 3-pin TO-252 (Plastic SMD) or 5-pin SOT23 packages. Additionally, the UC385T-3 series offers a wide input voltage range from 4.5V to 16V, making it suitable for many different application fields.The UC385T-3 is designed to be easy to use, with applications that include over-load protection, reverse battery protection, internal temperature monitoring, and programmable current limit protection. These features, in combination with the wide range of output voltage and load currents, makes it a robust and reliable solution for many applications.The UC385T-3 series is ideal for applications such as handheld battery powered products, where output current accuracy and fast transient response is a must. It is also suitable for applications requiring low dropout voltage and low power consumption, such as medical and instrumentation systems. Furthermore, the UC385T-3 series is able to operate with high efficiencies in a wide temperature range, making it the perfect choice for applications involving extreme temperatures.In summary, the UC385T-3 series is a highly capable low power voltage regulator which provides high output current accuracy and fast response, high PSRR, low dropout voltage and low power consumption. With its wide input voltage range and easy application, the UC385T-3 series is the perfect solution for many applications requiring stable, efficient, and reliable voltage regulation.

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