RT9750WSC

Product Overview

• Category: Integrated Circuit
• Use: Voltage Regulator
• Characteristics: High efficiency, low dropout voltage, compact size
• Package: SOT-23-5
• Essence: Regulates input voltage to a stable output voltage
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Input Voltage Range: 2.5V - 6V
• Output Voltage Range: 1.2V - 5.5V
• Maximum Output Current: 500mA
• Dropout Voltage: 200mV at 500mA
• Quiescent Current: 50µA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The RT9750WSC has a total of 5 pins:

1. VIN: Input voltage pin
2. GND: Ground pin
3. EN: Enable pin (active high)
4. FB: Feedback pin for output voltage regulation
5. VOUT: Output voltage pin

Functional Features

• High efficiency with low dropout voltage
• Built-in thermal shutdown protection
• Short-circuit current limiting
• Fast transient response
• Low quiescent current in shutdown mode

Advantages and Disadvantages

Advantages: - High efficiency ensures minimal power loss - Compact size allows for space-saving designs - Fast transient response for quick load changes - Thermal shutdown protection prevents overheating

Disadvantages: - Limited maximum output current of 500mA - Dropout voltage of 200mV may affect performance in low voltage applications

Working Principles

The RT9750WSC is a voltage regulator that maintains a stable output voltage regardless of variations in the input voltage. It achieves this by using a feedback mechanism to continuously adjust the internal circuitry, ensuring the output voltage remains within the specified range. The regulator operates in a linear mode, dissipating excess power as heat.

Detailed Application Field Plans

The RT9750WSC is commonly used in various electronic devices and applications, including:

1. Battery-powered devices: Provides stable voltage for portable electronics such as smartphones, tablets, and wearables.
2. IoT devices: Ensures consistent power supply for sensors, microcontrollers, and communication modules.
3. Automotive electronics: Regulates voltage for automotive systems like infotainment systems, lighting, and control units.
4. Industrial equipment: Used in automation systems, motor control, and power management circuits.
5. Consumer electronics: Found in audio/video equipment, gaming consoles, and home appliances.

Detailed and Complete Alternative Models

1. RT9740WSC: Similar specifications but with a lower maximum output current of 300mA.
2. RT9760WSC: Higher maximum output current of 1A, suitable for power-hungry applications.
3. RT9730WSC: Lower dropout voltage of 100mV, ideal for low voltage applications.

These alternative models offer different trade-offs in terms of output current, dropout voltage, and application suitability.

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