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ADP3333ARMZ-3.3

Name: ADP3333ARMZ-3.3
Rating: 4.7 (12 reviews)

Linear Voltage Regulators

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概述

Description

The ADP3333ARMZ-3.3 is a high-performance, low-dropout (LDO) voltage regulator designed by Analog Devices. It provides a fixed output voltage of 3.3V with a maximum output current of 1A. The device is known for its low output noise and excellent line/load transient response, making it suitable for a variety of applications, including portable devices, RF applications, and power management systems.
Key features include a low dropout voltage of 200mV at 1A, an operating input voltage range of 2.7V to 12V, and built-in thermal shutdown and current limit protection. The ADP3333 also offers low quiescent current, enhancing efficiency in battery-powered applications. Its compact package (SOT-223) allows for space-constrained designs.
Overall, the ADP3333ARMZ-3.3 is an ideal choice for designers seeking a reliable and efficient LDO regulator solution for powering 3.3V systems.

Features

The ADP3333ARMZ-3.3 is a high-performance, low-dropout (LDO) linear regulator designed to provide stable output voltage with minimal noise. Key features include:
1. Output Voltage: Fixed output of 3.3V with a tolerance of ±2%.
2. Dropout Voltage: Low dropout voltage of 200mV at 1A load, ensuring efficient operation.
3. Output Current: Capable of sourcing up to 1A.
4. Power Supply Rejection Ratio (PSRR): High PSRR over a wide frequency range, contributing to low output noise.
5. Temperature Range: Operates over a temperature range of -40°C to +125°C.
6. Current Limit Protection: Integrated current limit and thermal shutdown features to protect against overload conditions.
7. Capacitor Compatibility: Compatible with a wide range of output capacitors, including ceramic types.
8. Compact Package: Available in a small, thermally enhanced 5-lead TSOT package for efficient PCB space utilization.
These features make the ADP3333ARMZ-3.3 suitable for various applications in portable and battery-powered devices.

Package

The ADP3333ARMZ-3.3 comes in a 5-lead TSOT-23 package. This surface-mount type package is compact, making it suitable for space-constrained applications, and is designed for low-voltage, high-performance linear voltage regulation.

Pinout

The ADP3333ARMZ-3.3 is a low-dropout (LDO) voltage regulator with a 5-pin package (SOT-23).
Pin Configuration:
1. Pin 1 (Vin): Input voltage supply.
2. Pin 2 (GND): Ground reference.
3. Pin 3 (Vout): Output voltage (3.3V).
4. Pin 4 (Adjust): Used to set the output voltage (not typically connected for fixed output version).
5. Pin 5 (Enable): Active-high enable pin; used to turn the regulator on or off.
Functionality: The ADP3333ARMZ-3.3 provides a stable 3.3V output with a typical dropout voltage of 200 mV at full load, ensuring efficient operation in battery-powered applications. It features low noise and high power supply rejection ratio (PSRR), making it suitable for sensitive analog circuits.

Manufacturer

The ADP3333ARMZ-3.3 is manufactured by Analog Devices, Inc. (ADI), a prominent semiconductor company specializing in data conversion, signal processing, and power management technologies. Founded in 1965, Analog Devices serves a variety of industries, including automotive, communications, healthcare, and industrial automation. The company is known for its high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. The ADP3333 series, including the ADP3333ARMZ-3.3, is specifically designed as a low-dropout (LDO) voltage regulator, making it suitable for applications requiring stable and efficient power supply solutions. Analog Devices is recognized for its innovative products and commitment to quality, playing a vital role in advancing technological solutions across multiple sectors.

Application

The ADP3333ARMZ-3.3 is a low dropout linear regulator primarily used in applications such as:
1. Power supply for microcontrollers and DSPs.
2. Battery-powered devices requiring efficient voltage regulation.
3. Distributed power systems.
4. Automotive electronics.
5. Communication equipment.
6. Industrial automation.
7. Consumer electronics, including portable devices and personal computers.
Its features make it suitable for applications needing stable voltage output and low noise.

Equivalent

Equivalent products to the ADP3333ARMZ-3.3 chip include the LM1117-3.3, MIC5205-3.3, LP2950-3.3, and TPS7A33. These linear voltage regulators provide similar output voltage and specifications, but it's essential to check their specific features and performance to ensure compatibility with your application.