S-1312B18-A4T1U3

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics:
  • Low dropout voltage
  • High output voltage accuracy
  • Low quiescent current
  • Small package size
• Package: SOT-23-5
• Essence: This IC is designed to regulate and stabilize the output voltage in electronic circuits.
• Packaging/Quantity: Available in tape and reel packaging, with 3000 units per reel.

Specifications

• Input Voltage Range: 2.5V to 6.0V
• Output Voltage Range: 1.8V
• Dropout Voltage: 200mV (typical)
• Output Current: 150mA (maximum)
• Quiescent Current: 30µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The S-1312B18-A4T1U3 IC has a total of 5 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 ensures stable operation even when the input voltage is close to the desired output voltage.
• High output voltage accuracy provides precise regulation for sensitive electronic components.
• Low quiescent current minimizes power consumption, making it suitable for battery-powered devices.
• Small package size allows for space-efficient integration into compact electronic designs.

Advantages and Disadvantages

Advantages: - Reliable voltage regulation - Compact size - Low power consumption - Accurate output voltage

Disadvantages: - Limited output current capacity - Restricted input voltage range

Working Principles

The S-1312B18-A4T1U3 is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It compares the reference voltage with the feedback voltage and adjusts the pass transistor accordingly to maintain a stable output voltage.

Detailed Application Field Plans

The S-1312B18-A4T1U3 IC finds applications in various electronic devices, including but not limited to: - Portable electronic devices (e.g., smartphones, tablets) - Wearable devices (e.g., smartwatches, fitness trackers) - IoT devices - Battery-powered devices - Audio/video equipment - Industrial control systems

Detailed and Complete Alternative Models

1. S-1312B18-A4T2U3: Similar specifications and pin configuration, but with a different package (SOT-89-5).
2. S-1312B18-A4T3U3: Higher output current capacity (300mA) with the same pin configuration and package as S-1312B18-A4T1U3.
3. S-1312B18-A4T4U3: Extended operating temperature range (-40°C to +105°C) with similar specifications and pin configuration.

These alternative models provide flexibility in selecting the most suitable voltage regulator based on specific requirements.

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