S-1009N46I-I4T1U

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: Low Dropout Voltage Regulator
• Package: SOT-23-5
• Essence: Regulates input voltage to a lower output voltage with minimal voltage drop
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Input Voltage Range: 2.5V to 6.0V
• Output Voltage Range: 1.2V to 5.5V
• Maximum Output Current: 100mA
• Dropout Voltage: 150mV at 50mA
• Quiescent Current: 30µA (typical)

Detailed Pin Configuration

1. VIN: Input Voltage
2. GND: Ground
3. EN: Enable Pin
4. VOUT: Output Voltage
5. NC: No Connection

Functional Features

• Low dropout voltage for efficient power management
• Wide input voltage range for versatile applications
• Low quiescent current for power-saving operation
• Enable pin for easy on/off control
• Short-circuit protection for enhanced safety

Advantages

• Provides stable output voltage even with varying input voltage
• Compact SOT-23-5 package for space-constrained designs
• Low dropout voltage minimizes power dissipation
• Enables efficient power management in battery-powered devices

Disadvantages

• Limited maximum output current of 100mA
• Not suitable for high-power applications

Working Principles

The S-1009N46I-I4T1U is a low dropout voltage regulator that regulates the input voltage to a lower output voltage. It achieves this by utilizing a pass transistor that adjusts its resistance based on the input and output voltages. This regulation process ensures a stable output voltage even when the input voltage varies.

Detailed Application Field Plans

The S-1009N46I-I4T1U is commonly used in various portable electronic devices, such as smartphones, tablets, and wearable devices. It is particularly suitable for applications that require efficient power management and have limited space for component placement. Some specific application areas include:

1. Mobile Phones: Power supply for various components, such as display drivers, audio amplifiers, and sensors.
2. Portable Media Players: Regulating voltage for audio processing circuits, LCD screens, and memory modules.
3. Wearable Devices: Powering microcontrollers, sensors, and wireless communication modules.
4. Battery-Powered IoT Devices: Voltage regulation for sensors, microcontrollers, and wireless connectivity modules.

Detailed and Complete Alternative Models

1. S-1009N46I-I4T1G: Similar specifications and pin configuration, but available in a different packaging (SOT-89-5).
2. S-1009N46I-I4T1R: RoHS-compliant version of S-1009N46I-I4T1U with identical specifications and pin configuration.

(Note: The above alternative models are provided for reference purposes and may vary in availability depending on the manufacturer.)

This entry provides an overview of the S-1009N46I-I4T1U low dropout voltage regulator. It includes basic information, specifications, pin configuration, functional features, advantages, disadvantages, working principles, application field plans, and alternative models.