RT9073A-18GQZ

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RT9073A-18GQZ

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IC REG LINEAR 1.8V 250MA 4ZQFN

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Spezifikationen

Attribut Wert
Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
OutputConfiguration Positive
OutputType Fixed
NumberofRegulators 1
Voltage-Input(Max) 5.5V
Voltage-Output(Min/Fixed) 1.8V
VoltageDropout(Max) 0.8V @ 250mA
Current-Output 250mA
Current-Quiescent(Iq) 3 µA
PSRR 75dB (1kHz)
ControlFeatures Enable
ProtectionFeatures Over Current, Over Temperature
OperatingTemperature -40°C ~ 85°C (TA)
MountingType Surface Mount
Package/Case 4-XDFN Exposed Pad

Übersicht

Description

The RT9073A-18GQZ is a low-dropout (LDO) linear voltage regulator designed to provide a stable output voltage with high accuracy and low noise. It typically has an output voltage of 1.8V, suitable for powering a variety of electronic components and circuits that require precise voltage regulation. The device is often used in applications such as consumer electronics, portable devices, and communication equipment.
Key features of the RT9073A-18GQZ include low dropout voltage, making it efficient in power-sensitive applications, and a low quiescent current, which helps to extend battery life in portable devices. It also offers excellent line and load regulation, ensuring consistent performance even with varying input voltages and output loads. The LDO typically includes various protection features such as thermal shutdown and current limiting to safeguard against over-temperature and over-current conditions.
The RT9073A-18GQZ is typically available in compact package sizes suitable for space-constrained designs, allowing for ease of integration into PCB layouts.

Equivalent

The RT9073A-18GQZ is a low-dropout (LDO) linear regulator. Equivalent products might include:
1. MIC5205-1.8BM5 by Microchip Technology
2. TLV1117-18 by Texas Instruments
3. LP2985-18 by Texas Instruments
4. NCP1117-1.8 by ON Semiconductor
These alternatives have similar output voltage and performance characteristics. Always verify the datasheets to ensure compatibility in your specific application.

Features

The RT9073A-18GQZ is a low-dropout (LDO) regulator known for its high performance and reliability. Key features include:
1. Output Voltage: It offers a fixed output voltage of 1.8V.
2. Output Current: The device supports an output current up to 500mA.
3. Low Dropout Voltage: Designed to provide a low dropout voltage, enhancing efficiency.
4. Quiescent Current: It features low quiescent current, which helps in reducing power consumption.
5. Thermal Protection: The LDO includes thermal shutdown to prevent overheating.
6. Short-Circuit Protection: Built-in protection against output short circuits.
7. Capacitor Requirements: The RT9073A-18GQZ works with a small ceramic capacitor at the output for stability.
8. Package Type: Available in a small, SOT-23-5 package, making it suitable for space-constrained applications.
9. High PSRR: Offers a high Power Supply Rejection Ratio, ensuring stable operation in noisy environments.
These features make it ideal for applications requiring efficient power regulation, such as portable devices and battery-operated equipment.

Pinout

The RT9073A-18GQZ is a low-dropout (LDO) linear voltage regulator. It typically comes in a compact package suitable for portable and space-constrained applications. The RT9073A series is known for its high precision and low quiescent current.
The RT9073A-18GQZ specifically refers to a fixed output voltage version of the regulator, providing 1.8V output. The "GQZ" suffix typically indicates the package type, which is often a DFN-4 (Dual Flat No-leads) package, meaning it has 4 pins or leads.
The pin functions for a typical 4-pin DFN package LDO like the RT9073A-18GQZ are generally as follows:
1. VIN: Input voltage pin, where the supply voltage is applied.
2. GND: Ground pin, the common return path for both input and output.
3. VOUT: Output voltage pin, where the regulated output voltage is available.
4. EN or NC (Enable/No Connect): This pin may either be used to enable/disable the regulator or be a no-connect pin depending on specific model variations.
Always refer to the specific datasheet provided by Richtek for precise pin configuration and additional features.

Manufacturer

The RT9073A-18GQZ is manufactured by Richtek Technology Corporation. Richtek is a company specializing in designing and producing analog integrated circuits. It provides a wide range of power management solutions, including voltage regulators, battery management ICs, LED drivers, and more. The company serves various applications in consumer electronics, computers, communications, and industrial sectors. Richtek is known for its innovation and focus on delivering high-performance, energy-efficient products.

Application

The RT9073A-18GQZ is a low-dropout (LDO) linear voltage regulator, which is commonly used in various applications requiring stable voltage outputs. Typical application areas include portable devices, battery-powered equipment, and communications devices, where efficient power management is crucial. It is also used in consumer electronics, industrial applications, and automotive systems, providing regulated voltage for microcontrollers, sensors, and other digital or analog circuits. Its small footprint and low noise output make it suitable for compact and sensitive electronic devices.

Package

The RT9073A-18GQZ is typically available in a 4-pin TSOT-23 package.

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