S-1312D18-M5T1U3

Basic Information Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

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

Package: SOT-23-5

Essence: The S-1312D18-M5T1U3 is a voltage regulator IC that provides stable and regulated output voltage for various electronic devices.

Packaging/Quantity: The S-1312D18-M5T1U3 is typically packaged in reels, with 3000 units per reel.

Specifications

• Input Voltage Range: 2.0V to 6.0V
• Output Voltage: 1.8V
• Output Current: Up to 150mA
• Dropout Voltage: 160mV (typical)
• Quiescent Current: 30μA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The S-1312D18-M5T1U3 has the following pin configuration:

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

Functional Features

• Low Dropout Voltage: The S-1312D18-M5T1U3 has a low dropout voltage, ensuring efficient power conversion even when the input voltage is close to the desired output voltage.
• High Output Voltage Accuracy: This voltage regulator provides high output voltage accuracy, ensuring precise and stable voltage regulation for sensitive electronic components.
• Low Quiescent Current: With a low quiescent current, the S-1312D18-M5T1U3 minimizes power consumption when the load is light, extending battery life in portable devices.
• Overcurrent Protection: The IC incorporates overcurrent protection, safeguarding the connected circuitry from excessive current flow and potential damage.
• Thermal Shutdown Protection: In case of excessive heat, the S-1312D18-M5T1U3 features thermal shutdown protection, preventing overheating and ensuring safe operation.

Advantages and Disadvantages

Advantages: - Efficient voltage regulation - High output voltage accuracy - Low power consumption - Overcurrent and thermal protection

Disadvantages: - Limited output current capacity (up to 150mA)

Working Principles

The S-1312D18-M5T1U3 operates as a linear voltage regulator. It regulates the output voltage by maintaining a constant voltage drop across its internal pass transistor. When the input voltage exceeds the desired output voltage, the pass transistor adjusts its resistance to maintain a stable output voltage.

Detailed Application Field Plans

The S-1312D18-M5T1U3 is commonly used in various electronic devices that require stable and regulated power supply, such as: - Mobile phones - Portable media players - Digital cameras - Wireless communication devices - Battery-powered devices

Detailed and Complete Alternative Models

Some alternative models to the S-1312D18-M5T1U3 include: - S-1312D15-M5T1U3 (Output Voltage: 1.5V) - S-1312D33-M5T1U3 (Output Voltage: 3.3V) - S-1312D50-M5T1U3 (Output Voltage: 5.0V)

These alternative models provide different output voltages to suit specific application requirements.

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