S-1009N38I-N4T1U

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management IC

Characteristics: - Low dropout voltage regulator - High output voltage accuracy - Low quiescent current - Thermal shutdown protection - Overcurrent protection

Package: SOT-23-5

Essence: The S-1009N38I-N4T1U is a power management IC designed for low-power applications. It provides a stable output voltage with high accuracy and efficiency.

Packaging/Quantity: The S-1009N38I-N4T1U is available in a SOT-23-5 package. Each package contains one unit of the IC.

Specifications

• Input Voltage Range: 2.0V to 6.0V
• Output Voltage Range: 1.2V to 5.5V
• Dropout Voltage: 150mV @ 100mA
• Quiescent Current: 30µA (typical)
• Output Current: 100mA (maximum)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The S-1009N38I-N4T1U has five pins arranged as follows:

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

Functional Features

• Low dropout voltage: The IC maintains a stable output voltage even when the input voltage is close to the desired output voltage.
• High output voltage accuracy: The IC ensures precise regulation of the output voltage, minimizing variations and fluctuations.
• Low quiescent current: The IC consumes minimal current when in standby mode, conserving power and extending battery life.
• Thermal shutdown protection: The IC includes a built-in thermal protection mechanism that shuts down the device if the temperature exceeds a safe limit.
• Overcurrent protection: The IC safeguards against excessive current flow, preventing damage to the circuit.

Advantages and Disadvantages

Advantages: - High output voltage accuracy ensures reliable performance. - Low dropout voltage allows for efficient power conversion. - Low quiescent current extends battery life. - Thermal shutdown protection prevents overheating. - Overcurrent protection safeguards the circuit.

Disadvantages: - Limited output current capacity (maximum 100mA). - No adjustable output voltage option.

Working Principles

The S-1009N38I-N4T1U is a low dropout voltage regulator. It regulates the input voltage to provide a stable output voltage within a specified range. The IC uses a feedback mechanism to continuously monitor the output voltage and adjust it as necessary. It achieves this by controlling the internal pass transistor, which regulates the voltage across the load.

Detailed Application Field Plans

The S-1009N38I-N4T1U is suitable for various low-power applications, including but not limited to: - Battery-powered devices - Portable electronic devices - Wearable devices - IoT (Internet of Things) devices - Medical devices - Industrial sensors

Detailed and Complete Alternative Models

• S-1009N38I-M5T1U
• S-1009N38I-N4T2U
• S-1009N38I-M5T2U
• S-1009N38I-N4T3U
• S-1009N38I-M5T3U

These alternative models offer similar functionality and characteristics to the S-1009N38I-N4T1U, providing flexibility in design and application.

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