RT9073-15GB

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - Low dropout voltage - High output current capability - Thermal shutdown protection - Short circuit current limit - Fast transient response - Low quiescent current

Package: SOT-23-5

Essence: The RT9073-15GB is a voltage regulator IC designed to provide a stable output voltage with low dropout voltage. It is commonly used in various electronic devices to regulate and stabilize the voltage supply.

Packaging/Quantity: The RT9073-15GB is available in a SOT-23-5 package, which contains 3000 units per reel.

Specifications

• Input Voltage Range: 2.5V to 6V
• Output Voltage: 1.5V
• Dropout Voltage: 200mV at 300mA
• Output Current: Up to 300mA
• Quiescent Current: 50µA
• Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The RT9073-15GB has five pins arranged as follows:

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Pin 1: VIN (Input Voltage) Pin 2: GND (Ground) Pin 3: EN (Enable) Pin 4: BYP (Bypass) Pin 5: VOUT (Output Voltage)

Functional Features

1. Low Dropout Voltage: The RT9073-15GB exhibits a low dropout voltage, ensuring efficient regulation even when the input voltage is close to the desired output voltage.
2. High Output Current Capability: With a maximum output current of 300mA, the IC can handle a wide range of load requirements.
3. Thermal Shutdown Protection: The device incorporates thermal shutdown protection to prevent damage due to excessive temperature.
4. Short Circuit Current Limit: It features a short circuit current limit to protect the IC and connected components from excessive current flow during a short circuit condition.
5. Fast Transient Response: The RT9073-15GB provides a fast transient response, ensuring stability and quick recovery from sudden changes in load conditions.
6. Low Quiescent Current: The IC has a low quiescent current of 50µA, minimizing power consumption when the device is in standby or idle mode.

Advantages and Disadvantages

Advantages: - Efficient voltage regulation - Wide input voltage range - Compact SOT-23-5 package - Thermal protection for enhanced reliability - Fast response to load changes

Disadvantages: - Limited output current capacity (up to 300mA) - Requires external bypass capacitor for optimal performance

Working Principles

The RT9073-15GB operates as a linear voltage regulator. It regulates the output voltage by maintaining a constant voltage drop across its internal pass transistor. When the input voltage exceeds the desired output voltage, the pass transistor adjusts its resistance to maintain a stable output voltage. The enable pin (EN) allows the user to control the regulator's operation by enabling or disabling the output voltage.

Detailed Application Field Plans

The RT9073-15GB is widely used in various applications that require stable and regulated voltage supply. Some common application fields include:

1. Mobile Devices: Smartphones, tablets, portable media players.
2. Consumer Electronics: Digital cameras, portable gaming consoles, audio devices.
3. Industrial Equipment: Test and measurement instruments, control systems, sensors.
4. Automotive Electronics: Infotainment systems, navigation devices, lighting controls.
5. Communication Systems: Wireless routers, modems, network switches.

Detailed and Complete Alternative Models

1. RT9073-18GB: Similar to RT9073-15GB but with an output voltage of 1.8V.
2. RT9073-25GB: Similar to RT9073-15GB but with an output voltage of 2.5V.
3. RT9073-33GB: Similar to RT9073-15GB but with an output voltage of 3.3V.
4. RT9073-50GB: Similar to RT9073-15GB but with an output voltage of 5.0V.

These alternative models provide different output voltage options to suit various application requirements while maintaining similar characteristics and features as the RT9073-15GB.

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