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LT1963AEST-1.8

Name: LT1963AEST-1.8
Rating: 4.7 (12 reviews)

LDO Voltage Regulators LT1963A Series - 1.5A, Low Noise, Fast Transient Response LDO Regulators

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Mfr。パート #LT1963AEST-1.8
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データシート LT1963AEST-1.8 DataSheet
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仕様

概要

Description

The LT1963AEST-1.8 is a low-dropout (LDO) linear voltage regulator designed by Analog Devices. It provides a regulated output voltage of 1.8V with high precision and low noise, making it ideal for sensitive applications in portable devices and RF systems. The device features a dropout voltage of only 300 mV at 1.5 A load current, ensuring efficient operation even under low input-output voltage differences.
Key specifications include a maximum output current of 1.5 A, excellent line and load regulation, and a low quiescent current, enhancing battery life in portable applications. It also incorporates protection features such as thermal shutdown and current limiting. The LT1963AEST-1.8 operates over a wide temperature range and comes in a compact surface-mount package, facilitating easy integration into various designs.
Overall, it is well-suited for applications requiring stable and precise voltage regulation, like microcontrollers, DSPs, and analog circuits.

Features

The LT1963AEST-1.8 is a low dropout (LDO) voltage regulator designed for high-performance applications. Key features include:
- Output Voltage: Fixed output of 1.8V.
- Low Dropout Voltage: Typically 300mV at full load, enabling efficient operation even with minimal headroom.
- High Output Current: Capable of providing up to 1.5A of output current.
- Low Noise: Excellent power supply rejection ratio (PSRR) and low output noise, making it suitable for sensitive analog circuits.
- Thermal Protection: Built-in thermal shutdown to prevent damage under over-temperature conditions.
- Wide Input Voltage Range: Accepts input voltages from 1.8V to 20V.
- Fast Transient Response: Designed to handle fast changing load currents.
- Small Package: Available in a compact 8-lead SOIC or DFN package, facilitating space-saving designs.
These features make the LT1963AEST-1.8 ideal for applications such as powering RF and precision analog circuits.

Package

The LT1963AEST-1.8 is packaged in a SO-8 (Small Outline) surface-mount package.

Pinout

The LT1963AEST-1.8 is a low-dropout (LDO) voltage regulator with a pin count of 5. The pin functions are as follows:
1. Input (VIN): This pin connects to the input voltage source.
2. Ground (GND): This pin is the ground reference for the circuit.
3. Output (VOUT): This pin provides a regulated output voltage of 1.8V.
4. Bypass (BP): This pin is used to connect a bypass capacitor to improve transient response and noise performance.
5. Feedback (FB): This pin is used for feedback in adjustable configurations, though the LT1963AEST-1.8 is fixed at 1.8V.
The device is known for its low dropout voltage and low noise, making it suitable for powering sensitive analog circuitry.

Manufacturer

The LT1963AEST-1.8 is manufactured by Analog Devices, Inc. Analog Devices is a global leader in the design and manufacturing of high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits (ICs). The company focuses on providing innovative solutions for a wide range of applications, including communications, automotive, industrial automation, healthcare, and consumer electronics. Founded in 1965, Analog Devices is known for its commitment to advancing technology and improving performance in electronic systems, making it a key player in the semiconductor industry.

Application

The LT1963AEST-1.8 is a low-dropout linear voltage regulator suitable for applications requiring low noise and high precision. Common application areas include power supply for analog and digital circuits, RF and communication devices, precision data acquisition systems, battery-powered equipment, and any application needing a stable 1.8V output with minimal voltage drop and noise. It is ideal for sensitive components like operational amplifiers and ADCs.

Equivalent

Equivalent products to the LT1963AEST-1.8 include the LM1117-1.8, MCP1700-1802E, and AP2112-1.8. These are low-dropout linear voltage regulators with similar specifications, such as output voltage and current capabilities. Always check the specific datasheets for exact pin configurations and performance characteristics to ensure compatibility with your application.