S-1009N45I-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: 0.8V to 5.0V
• Maximum Output Current: 100mA
• Dropout Voltage: 150mV (at 100mA)
• Quiescent Current: 30µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The S-1009N45I-I4T1U IC 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: The S-1009N45I-I4T1U provides a low dropout voltage, ensuring stable output even when the input voltage is close to the desired output voltage.
• Low quiescent current: With a typical quiescent current of only 30µA, this IC minimizes power consumption in standby or low-load conditions.
• Thermal shutdown protection: The IC incorporates thermal shutdown protection, preventing damage due to excessive temperature.

Advantages and Disadvantages

Advantages: - Low dropout voltage ensures stable output. - Low quiescent current reduces power consumption. - Thermal shutdown protection prevents damage from overheating.

Disadvantages: - Limited maximum output current of 100mA. - Restricted input voltage range of 2.5V to 6.0V.

Working Principles

The S-1009N45I-I4T1U is a low dropout voltage regulator IC that regulates the output voltage based on the input voltage. It utilizes a feedback mechanism to maintain a stable output voltage, compensating for changes in load and input voltage. The enable pin allows the user to control the operation of the IC, enabling or disabling the voltage regulation function.

Detailed Application Field Plans

The S-1009N45I-I4T1U is commonly used in various applications where a stable and regulated power supply is required. Some potential application fields include: 1. Battery-powered devices: This IC can be used in portable electronic devices such as smartphones, tablets, and wearable devices to regulate the voltage supplied by the battery. 2. IoT devices: Internet of Things (IoT) devices often require a stable power source. The S-1009N45I-I4T1U can be employed in sensors, smart home devices, and other IoT applications. 3. Industrial equipment: The IC can be utilized in industrial automation systems, control panels, and other machinery that require reliable power management.

Detailed and Complete Alternative Models

1. S-1009N45I-I4T1G: Similar to S-1009N45I-I4T1U, but available in a different package (SOT-89-5).
2. S-1009N45I-I4T2U: Higher maximum output current of 200mA, suitable for applications with higher power requirements.
3. S-1009N45I-I4T3U: Extended input voltage range of 2.5V to 10.0V, providing flexibility in various power supply scenarios.

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