S-1009N31I-I4T1U

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: Low Dropout Voltage Regulator
• Package: SOT-23-5
• Essence: Voltage Regulator IC
• Packaging/Quantity: Tape and Reel, 3000 pieces per reel

Specifications

• Input Voltage Range: 2.0V to 6.0V
• Output Voltage Range: 1.2V to 5.5V
• Maximum Output Current: 100mA
• Dropout Voltage: 160mV @ 100mA
• Quiescent Current: 30µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

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

Functional Features

• Low dropout voltage for efficient power management.
• Wide input voltage range allows flexibility in various applications.
• Low quiescent current ensures minimal power consumption.
• Enable pin for easy on/off control of the regulator.

Advantages

• Compact SOT-23-5 package saves board space.
• Low dropout voltage enables efficient power conversion.
• Wide input voltage range accommodates different power sources.
• Low quiescent current prolongs battery life in portable devices.
• Enable pin provides convenient power control.

Disadvantages

• Limited maximum output current may not be suitable for high-power applications.
• Narrow operating temperature range restricts usage in extreme environments.

Working Principles

The S-1009N31I-I4T1U is a low dropout voltage regulator IC designed to provide a stable output voltage from an input voltage source. It utilizes a pass transistor to regulate the output voltage, ensuring a constant voltage even when the input voltage fluctuates. The low dropout voltage allows efficient power conversion by minimizing the voltage difference between the input and output.

Detailed Application Field Plans

The S-1009N31I-I4T1U is commonly used in various electronic devices that require stable power supply, such as: - Mobile phones - Portable media players - Digital cameras - Wireless communication devices - Battery-powered devices

Detailed and Complete Alternative Models

1. S-1009N31I-M5T1U: Similar specifications but with a different package (SOT-23-5).
2. S-1009N31I-I4T2U: Higher maximum output current (150mA) but with a slightly higher dropout voltage.
3. S-1009N31I-I4T3U: Lower quiescent current (20µA) for further power savings.

Note: These alternative models are provided as examples and may not cover all available options.

In conclusion, the S-1009N31I-I4T1U is a low dropout voltage regulator IC that offers efficient power management with its compact size, wide input voltage range, and low quiescent current. While it has limitations in terms of maximum output current and operating temperature range, it finds applications in various electronic devices where stable power supply is crucial.