S-1009C20I-I4T1U

Basic Information Overview

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

Specifications

• Input Voltage Range: 2.0V to 6.0V
• Output Voltage Range: 0.8V to 5.5V
• Maximum Output Current: 200mA
• Dropout Voltage: 160mV @ 100mA
• Quiescent Current: 30µA (typical)

Detailed Pin Configuration

The S-1009C20I-I4T1U has a total of five pins arranged as follows:

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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 power supply options
• Low quiescent current for power-saving applications
• Enable pin for easy control of the regulator's operation

Advantages

• Compact SOT-23-5 package for space-constrained designs
• Low dropout voltage ensures stable output even with low input voltages
• Wide input voltage range provides versatility in various applications
• Low quiescent current minimizes power consumption during standby mode
• Enable pin allows for convenient on/off control of the regulator

Disadvantages

• Limited maximum output current may not be suitable for high-power applications
• No thermal protection feature included in the IC

Working Principles

The S-1009C20I-I4T1U is a low dropout voltage regulator that maintains a stable output voltage even when the input voltage drops close to the desired output voltage. It achieves this by utilizing a PNP transistor as a pass element and a feedback circuit to regulate the output voltage. The enable pin allows the user to control the regulator's operation, enabling or disabling the output as needed.

Detailed Application Field Plans

The S-1009C20I-I4T1U is commonly used in various battery-powered applications, such as portable electronic devices, wireless communication systems, and IoT devices. Its low dropout voltage and low quiescent current make it suitable for power-sensitive applications where efficiency and power conservation are crucial.

Detailed and Complete Alternative Models

• S-1009C20I-M5T1U: Similar specifications but with a different package (SOT-23-5)
• S-1009C20I-I6T1U: Higher maximum output current (300mA) but with a slightly higher dropout voltage

Note: This entry provides an overview of the S-1009C20I-I4T1U IC. For more detailed information, please refer to the datasheet provided by the manufacturer.

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