S-1009N22I-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: 2.5V to 6.0V
• Output Voltage Range: 1.2V to 5.5V
• Maximum Output Current: 100mA
• Dropout Voltage: 150mV @ 50mA
• Quiescent Current: 30µA (typical)

Detailed Pin Configuration

The S-1009N22I-I4T1U has a total of five pins arranged as follows: 1. VIN: Input voltage pin 2. GND: Ground pin 3. EN: Enable pin 4. VOUT: Output voltage pin 5. NC: No connection pin

Functional Features

• Low dropout voltage for efficient power management
• Wide input voltage range allows flexibility in power supply selection
• Low quiescent current for power-saving applications
• Built-in overcurrent protection for enhanced reliability
• Thermal shutdown protection prevents damage due to excessive heat

Advantages

• Compact SOT-23-5 package enables space-saving designs
• Wide input voltage range accommodates various power sources
• Low dropout voltage minimizes power dissipation
• Low quiescent current prolongs battery life
• Overcurrent and thermal shutdown protection enhance system safety

Disadvantages

• Limited maximum output current may not be suitable for high-power applications
• Five-pin configuration may require additional board space compared to three-pin regulators

Working Principles

The S-1009N22I-I4T1U is a low dropout voltage regulator that maintains a stable output voltage despite fluctuations in the input voltage. It achieves this by utilizing a pass transistor and feedback mechanism to regulate the output voltage. The enable pin allows for control of the regulator's operation, while the overcurrent and thermal shutdown protection features ensure safe operation under abnormal conditions.

Detailed Application Field Plans

The S-1009N22I-I4T1U is commonly used in various applications requiring regulated power supply, such as: - Battery-powered devices - Portable electronics - IoT devices - Wearable devices - Industrial equipment

Detailed and Complete Alternative Models

1. S-1009N22I-M5T1U: Similar specifications and package, but with an adjustable output voltage.
2. S-1009N22I-I4T2U: Same specifications and package, but with a higher maximum output current of 200mA.
3. S-1009N22I-I4T3U: Same specifications and package, but with a lower quiescent current of 10µA.

These alternative models provide options based on specific requirements and can be considered as substitutes for the S-1009N22I-I4T1U.

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