LT1963AEST-3.3#TRPBF

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LT1963AEST-3.3#TRPBF

IC REG LIN 3.3V 1.5A SOT-223-3

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Спецификации

Part Status Active
Base Product Number LT1963
Output Configuration Positive
Output Type Fixed
Number of Regulators 1
Voltage - Input (Max) 20V
Voltage - Output (Min/Fixed) 3.3V
Voltage Dropout (Max) 0.55V @ 1.5A
Current - Output 1.5A
Current - Quiescent (Iq) 1.5 mA
Current - Supply (Max) 120 mA
PSRR 63dB (120Hz)
Control Features Enable
Protection Features Over Current, Over Temperature, Reverse Polarity
Operating Temperature -40°C ~ 125°C
Mounting Type Surface Mount
Package TO-261-4, TO-261AA
Supplier Device Package SOT-223-3
Packaging Cut Tape (CT), Tape & Reel (TR)

Обзор

Description

The LT1963AEST-3.3#TRPBF is a low dropout (LDO) linear voltage regulator from Analog Devices (formerly Linear Technology). It is designed to provide a stable 3.3V output from higher voltage input sources with a maximum dropout voltage of around 340mV at full load. The device can deliver up to 1.5A of output current, making it suitable for powering digital circuits with moderate current requirements.
Features of the LT1963AEST-3.3#TRPBF include a fast transient response, low output noise, and a wide input voltage range. It has built-in protection mechanisms such as current limiting and thermal shutdown to prevent damage under fault conditions. The part is housed in a thermally enhanced, surface-mount SOT-223 package, which is ideal for compact circuit designs. It also includes a bypass pin for further reduction of output noise.
This regulator is commonly used in applications where power efficiency and low noise are critical, such as in telecommunications, industrial equipment, and consumer electronics. The "#TRPBF" suffix indicates RoHS compliance with lead-free packaging.

Features

The LT1963AEST-3.3#TRPBF is a low-dropout (LDO) linear voltage regulator designed for applications requiring a fixed 3.3V output. Key features include:
1. Output Current Capability: It can deliver up to 1.5A of output current, making it suitable for powering various high-demand devices and circuits.
2. Low Dropout Voltage: The regulator features a low dropout voltage of approximately 340mV at full load, which allows for efficient operation even when the input voltage is close to the output voltage.
3. Stability: It is stable with ceramic capacitors, allowing for flexibility in the choice of output capacitors.
4. Fast Transient Response: The LT1963A provides fast transient response to load changes, ensuring stable output under dynamic conditions.
5. Protection Features: It includes protection against overcurrent and thermal overload, enhancing reliability in various applications.
6. Quiescent Current: The device has a low quiescent current, contributing to improved efficiency in battery-powered applications.
7. Package and Temperature Range: The LT1963AEST-3.3#TRPBF comes in a SOT-223 package and is designed to operate over a wide temperature range, suitable for diverse environmental conditions.
These features make the LT1963AEST-3.3#TRPBF a versatile choice for powering sensitive electronics that demand stable and efficient voltage regulation.

Package

The LT1963AEST-3.3#TRPBF is a low dropout (LDO) linear regulator packaged in a SOT-223 surface-mount package.

Pinout

The LT1963AEST-3.3#TRPBF is a low-dropout linear regulator designed by Analog Devices (formerly Linear Technology). It typically comes in a Surface Mount Device (SMD) package, such as the SOT-223 or DD-Pak, which is a 3-pin package. The main functions and pin configurations are as follows:
1. Input (Vin): This pin receives the input voltage, and it's where the unregulated voltage is applied.
2. Output (Vout): This pin provides the regulated output voltage of 3.3V.
3. Ground (GND): This pin is the common ground reference for both input and output.
The LT1963A is specifically designed for low-dropout and high-current applications, with the ability to supply up to 1.5A of output current at a low dropout voltage. It features low noise, high efficiency, and good load/line regulation, making it suitable for powering sensitive electronics and digital loads.

Manufacturer

The LT1963AEST-3.3#TRPBF is manufactured by Analog Devices, Inc. Analog Devices is a multinational company that specializes in the design and manufacturing of semiconductor devices, including integrated circuits used in analog, mixed-signal, and digital signal processing applications. The company serves various industries such as telecommunications, automotive, healthcare, and consumer electronics, providing products that are crucial for sensing, measuring, interpreting, connecting, powering, and securing data in electronic systems.

Application

The LT1963AEST-3.3#TRPBF is a low dropout (LDO) linear voltage regulator suitable for applications requiring a stable 3.3V output with high current capability. It is commonly used in areas such as telecommunications, networking, industrial control systems, and consumer electronics. Its low dropout voltage and fast transient response make it ideal for powering microprocessors, DSPs, and FPGAs, as well as other digital and analog circuits requiring efficient power management.

Equivalent

The LT1963AEST-3.3#TRPBF is a low-dropout (LDO) linear voltage regulator. Equivalent products include:
1. TI TPS7A4700: High-performance LDO with similar features.
2. AMS1117-3.3: Common LDO with 3.3V output.
3. MIC29302: Another LDO regulator with similar performance.
4. NCP1117: LDO regulator offering similar voltage output.
These alternatives should be evaluated for specific application requirements like output current, dropout voltage, and package compatibility.

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