LT1965EDD-2.5#PBF

Current - Output:	1.1A
Base Part Number:	LT1965
Supplier Device Package:	8-DFN (3x3)
Package / Case:	8-WFDFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Current, Over Temperature, Reverse Polarity
Control Features:	Enable
PSRR:	75dB (120Hz)
Current - Supply (Max):	40mA
Current - Quiescent (Iq):	1.1mA
Series:	--
Voltage Dropout (Max):	0.49V @ 1.1A
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	2.5V
Voltage - Input (Max):	20V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tube

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Overview

The LT1965EDD-2.5#PBF is a type of linear regulator, which is a type of switch mode power supply (SMPS) commonly used in many products and applications. Linear regulators are commonly used as voltage regulators as they provide a stable output voltage when supplied with varying input voltages and loads.The LT1965EDD-2.5#PBF voltage regulator is designed for quick response and high accuracy, with an output voltage tolerance of ±1%. It features excellent load and line regulation and tight temperature coefficient, making it well suited for high-performance applications.

Specifications

The LT1965EDD-2.5#PBF voltage regulator is a three-terminal, adjustable linear regulator. It is available in fixed output voltage versions of 2.5 and 3.3 volts. It supports an input voltage range of up to 36 volts. The typical operating voltage is 24 volts.The device is capable of providing up to 2 amps of output current (typical) and up to 3 amps of output current in short bursts. The output voltage accuracy is rated at ±1%. The temperature coefficient is a tight 0.02%. The quiescent current is typically 2 mA. The device is fully protected against output short-circuits and has a maximum junction temperature of +125°C.

Features

The LT1965EDD-2.5#PBF voltage regulator has been designed to provide high accuracy and fast transient response. It has excellent load regulation, line regulation and temperature coefficient, making it ideal for a variety of high-performance applications.The device has short circuit protection, which eliminates the need for an external current limiting resistor, making it easy to use with a variety of external components. The device can also operate over an extended temperature range, making it suitable for use in a wide range of applications.

Application Field of LT1965EDD-2.5#PBF

The LT1965EDD-2.5#PBF voltage regulator is ideal for applications such as switch mode power supplies, VCOs, LCD bias, microprocessor and logic circuits, stepper motor controllers, automated test equipment and other regulated power supply applications. Its stable output voltage, fast transient response and high accuracy make it well suited for high performance applications.

Working Principle of LT1965EDD-2.5#PBF

The LT1965EDD-2.5#PBF voltage regulator is an adjustable linear regulator. Its core working principle is based on the characteristics of an NPN transistor, which is used as a current controlling switch. It consists of an error amplifier, a series pass transistor and an open loop compensation network.The output of the error amplifier reflects the output of the reference voltage. This output is used to control the operation of the series pass transistor, which in turn regulates the output voltage. When the output voltage goes out of tolerance, the error amplifier turns on the series pass transistor, thus increasing the output voltage. Vice versa when the output voltage goes higher than the reference voltage.The open loop compensation network used in the LT1965EDD-2.5#PBF voltage regulator is necessary in order to improve the response time and accuracy of the device. It also helps to reduce the effect of external noise, ensuring stable operation of the regulator.

Conclusion

The LT1965EDD-2.5#PBF from Linear Technology is an adjustable linear regulator designed for high performance applications. It provides an output voltage tolerance of ±1% along with excellent load and line regulation and a tight temperature coefficient. Its output current capability is up to 2 amps (typical) with a maximum junction temperature of +125°C. Its operating temperature range is –40°C to +85°C.The device is well suited for switch mode power supplies, VCOs, LCD bias, microprocessor and logic circuits, stepper motor controllers, automated test equipment and other regulated power supply applications. Its core working principle is based on the characteristics of an NPN transistor, which is used as a current controlling switch.

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