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LT1764AEQ-3.3

Name: LT1764AEQ-3.3
Rating: 4.7 (12 reviews)

LDO Voltage Regulators LT1764A - 3A, Fast Transient Response, Low Noise, LDO Regulators

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Mfr.부분 #LT1764AEQ-3.3
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데이터시트 LT1764AEQ-3.3 DataSheet
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개요

Description

The LT1764AEQ-3.3 is a high-performance low-dropout (LDO) voltage regulator manufactured by Analog Devices. It delivers a fixed output voltage of 3.3V and can supply up to 1A of load current. With a low dropout voltage of approximately 300mV at full load, it ensures efficient operation even when input voltages are close to the output voltage.
This device features low noise, making it suitable for sensitive applications such as RF and precision analog circuits. Its power supply rejection ratio (PSRR) is high, which helps maintain stable output performance against variations in input voltage. The LT1764AEQ-3.3 also includes built-in thermal protection and current limiting, enhancing reliability.
Designed for versatility, it can operate across a wide input voltage range and is available in a compact 8-lead MSOP package, making it ideal for space-constrained applications. Overall, the LT1764AEQ-3.3 is an excellent choice for powering microcontrollers, sensors, and other electronic devices requiring stable 3.3V power.

Features

The LT1764AEQ-3.3 is a precision low dropout (LDO) voltage regulator from Linear Technology (now part of Analog Devices). Key features include:
1. Output Voltage: Fixed output of 3.3V.
2. Dropout Voltage: Low dropout voltage of about 300mV at 100mA load, ensuring efficient operation.
3. Output Current: Capable of supplying up to 100mA of continuous output current.
4. Noise Performance: Low output noise (typically 20µVRMS) makes it suitable for sensitive applications.
5. Power Supply Rejection Ratio (PSRR): Excellent PSRR of 75dB at 10kHz, which helps in minimizing ripple from the input supply.
6. Thermal Protection: Built-in thermal shutdown feature prevents overheating.
7. Package Options: Available in a small 5-lead SOT-23 package, facilitating compact designs.
8. Wide Input Voltage Range: Accepts input voltages from 1.8V to 20V.
These features make the LT1764AEQ-3.3 ideal for applications requiring precise voltage regulation with minimal noise, such as RF systems and precision instrumentation.

Package

The LT1764AEQ-3.3 is packaged in a 5-lead SOT-23 (SOT-23-5) configuration. This compact package is designed for low profile and space-saving applications in electronic circuits.

Pinout

The LT1764AEQ-3.3 is a low dropout (LDO) linear voltage regulator from Analog Devices. It has a total of 8 pins. The pin configuration and functions are as follows:
1. IN: Input voltage supply.
2. GND: Ground reference.
3. OUT: Regulated output voltage (3.3V).
4. FB: Feedback pin for voltage regulation; connects to a resistor divider for adjustable output.
5. NC: No Connect; not internally connected.
6. NC: No Connect; not internally connected.
7. SHDN: Shutdown control pin; active low to disable the regulator.
8. SVR: Bypass pin for improving power supply rejection ratio (PSRR).
The LT1764AEQ-3.3 offers low dropout, high accuracy, and low noise performance, making it suitable for various applications requiring stable voltage regulation.

Manufacturer

The manufacturer of the LT1764AEQ-3.3 is Analog Devices, Inc. (ADI). Analog Devices is a prominent American multinational company that specializes in designing, manufacturing, and marketing analog, mixed-signal, and digital signal processing (DSP) integrated circuits. Founded in 1965 and headquartered in Norwood, Massachusetts, ADI serves various industries including communications, automotive, industrial, and healthcare. The LT1764AEQ-3.3 is a low noise, precision voltage reference commonly used in high-performance applications such as data acquisition and instrumentation. The company is known for its innovation and high-quality semiconductor solutions.

Application

The LT1764AEQ-3.3 is a precision voltage reference and low-noise linear regulator. Its application areas include power management in portable devices, battery-powered equipment, precision analog circuits, data acquisition systems, and RF applications. It is also used in automotive electronics, industrial control systems, and instrumentation where stable and accurate voltage regulation is critical.

Equivalent

Equivalent products to the LT1764AEQ-3.3 include the LM1117-3.3, LP2985-33, and MIC5219-3.3. These are low-dropout (LDO) voltage regulators that provide similar output characteristics and specifications. Always verify the specific requirements for your application, such as output current, dropout voltage, and thermal performance, before selecting a substitute.