RT9702AGJ5

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: High efficiency, low dropout voltage, compact size
• Package: SOT-23-5
• Essence: Linear regulator with adjustable output voltage
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Input Voltage Range: 2.5V to 6V
• Output Voltage Range: 1.2V to 5.5V
• Output Current: Up to 300mA
• Dropout Voltage: 200mV at 100mA
• Quiescent Current: 50µA
• Line Regulation: ±0.2%
• Load Regulation: ±0.4%
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The RT9702AGJ5 is a 5-pin device with the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. ADJ: Adjustable pin for setting the output voltage
4. BYP: Bypass capacitor connection pin
5. VOUT: Output voltage pin

Functional Features

• Adjustable output voltage allows flexibility in various applications
• Low dropout voltage enables efficient power conversion
• Excellent line and load regulation ensures stable output voltage
• Built-in thermal shutdown and current limit protection for enhanced reliability
• Fast transient response for sudden load changes

Advantages and Disadvantages

Advantages: - Compact size makes it suitable for space-constrained designs - Wide input voltage range accommodates different power sources - Low quiescent current minimizes power consumption - Robust protection features enhance device durability

Disadvantages: - Limited output current may not be suitable for high-power applications - SOT-23-5 package may require additional thermal management in certain cases

Working Principles

The RT9702AGJ5 is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the reference voltage with the feedback voltage obtained from the ADJ pin. The internal circuitry adjusts the pass transistor to maintain the desired output voltage, compensating for changes in input voltage and load conditions.

Detailed Application Field Plans

The RT9702AGJ5 is commonly used in various applications, including but not limited to:

1. Battery-powered devices: Portable electronics, handheld instruments, and wireless communication devices benefit from its low dropout voltage and adjustable output.
2. Automotive systems: It can be employed in automotive modules, infotainment systems, and lighting applications due to its wide input voltage range and robust protection features.
3. Industrial equipment: Control systems, sensors, and automation devices can utilize this regulator for reliable power supply and voltage stabilization.
4. Consumer electronics: Audio/video equipment, gaming consoles, and computer peripherals can benefit from its compact size and efficient power conversion.

Detailed and Complete Alternative Models

1. RT9702BGJ5: Similar specifications, but with an enable/disable function
2. RT9702CGJ5: Higher output current capability of up to 500mA
3. RT9702DGJ5: Lower quiescent current of 25µA for further power savings

These alternative models provide options based on specific requirements and offer similar functionality to the RT9702AGJ5.

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