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LT1963EST-2.5

Name: LT1963EST-2.5
Rating: 4.7 (12 reviews)

LDO Voltage Regulators LT1963 - 1.5A, Low Noise, Fast Transient Response LDO Regulators

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資料表 LT1963EST-2.5 DataSheet
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概述

Description

The LT1963EST-2.5 is a low-dropout (LDO) linear voltage regulator from Analog Devices, designed to provide a stable output voltage of 2.5V. It features a maximum output current of 1.5A and an ultra-low dropout voltage of about 300mV at full load, making it suitable for applications requiring efficient power management in space-constrained environments.
Key features include excellent line and load regulation, low noise operation (typically 20µVRMS), and a wide input voltage range of 3V to 20V. The device also incorporates built-in protection features such as thermal shutdown and current limiting, ensuring reliability and safety.
The LT1963EST-2.5 is ideal for powering RF and precision analog circuits, as well as portable and battery-powered devices, due to its low quiescent current (typically 50µA). Its small footprint, available in a TO-220 and 5-lead TSOT-23 package, allows for easy integration into compact designs. Overall, it is a robust choice for designers seeking high performance in voltage regulation.

Features

The LT1963EST-2.5 is a low-dropout (LDO) linear voltage regulator designed for high performance and precision applications. Key features include:
1. Output Voltage: Fixed output voltage of 2.5V.
2. Low Dropout Voltage: Typically 300mV at full load (150mA).
3. High Output Current: Capable of supplying up to 1A of output current.
4. Low Noise: Extremely low output noise (typically 20µVRMS) for sensitive applications.
5. High Power Supply Rejection Ratio (PSRR): Excellent PSRR performance, ensuring stable output with varying input voltages.
6. Thermal Protection: Built-in thermal shutdown for reliability.
7. Wide Input Voltage Range: Operates from 1.8V to 20V input voltage.
8. Small Package: Available in a compact 8-lead MSOP or 3mm x 3mm DFN package.
9. Fast Transient Response: Quickly adjusts to load changes, maintaining stability.

This combination of features makes the LT1963EST-2.5 suitable for a variety of applications, including powering RF and analog circuits.

Package

The LT1963EST-2.5 is available in a 5-lead TSOT-23 package type.

Pinout

The LT1963EST-2.5 is a low-dropout (LDO) linear regulator with a pin count of 5. Its primary function is to provide a stable output voltage of 2.5V with high accuracy and low noise. The pins are typically designated as follows:
1. Input (VIN): The voltage input pin where the supply voltage is connected.
2. Output (VOUT): The regulated output voltage pin providing 2.5V.
3. Ground (GND): The ground reference pin.
4. Adjust (ADJ): Used for setting the output voltage in adjustable versions; for fixed output, it’s typically connected internally.
5. Bypass (BP): This pin is used for connecting a bypass capacitor to improve transient response and reduce noise.
The LT1963EST-2.5 is designed for applications requiring low dropout voltage, low quiescent current, and high power supply rejection, making it suitable for powering sensitive analog and digital circuits.

Manufacturer

The LT1963EST-2.5 is manufactured by Analog Devices, Inc. Analog Devices is a global leader in the design and manufacturing of analog, mixed-signal, and digital signal processing (DSP) integrated circuits. The company serves a wide range of industries, including telecommunications, automotive, healthcare, and industrial automation, providing solutions for data conversion, signal processing, and power management. Founded in 1965, Analog Devices is renowned for its high-performance products and innovation in the semiconductor industry.

Application

The LT1963EST-2.5 is a low-dropout (LDO) linear voltage regulator primarily used in applications requiring a stable output voltage with low noise, such as precision analog circuits, RF systems, and battery-powered devices. It is suitable for powering sensitive components in instrumentation, telecommunications, and medical devices, where performance and reliability are critical. Its features make it ideal for high-performance applications that demand low dropout voltage and low output noise.

Equivalent

Equivalent products to the LT1963EST-2.5 include the LM1117-2.5, MCP1700-2502E, MIC5205-2.5, and TPS7A47. These alternatives provide similar performance specifications, such as low dropout voltage and fixed 2.5V output. Always check datasheets for specific parameters to ensure compatibility with your application.