S-1312D15-A4T2U3

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: Low Dropout, High Accuracy, Low Quiescent Current
• Package: SOT-23-5
• Essence: Linear Voltage Regulator
• Packaging/Quantity: Tape and Reel, 3000 pieces per reel

Specifications

• Input Voltage Range: 2.5V to 6.0V
• Output Voltage: 1.5V
• Output Current: 150mA
• Dropout Voltage: 160mV @ 100mA
• Line Regulation: ±0.05% (Typical)
• Load Regulation: ±0.2% (Typical)
• Quiescent Current: 30µA (Typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The S-1312D15-A4T2U3 IC has a total of five pins arranged in the following configuration:

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| | --| V IN|-- Pin 1: Input Voltage --|____| | | --| GND|-- Pin 2: Ground --|____| | | --| V O |-- Pin 3: Output Voltage --|____| | | --| CE |-- Pin 4: Chip Enable --|____| | | --| NC |-- Pin 5: No Connection --|____| ```

Functional Features

• Low dropout voltage ensures stable output even with low input voltage.
• High accuracy provides precise output voltage regulation.
• Low quiescent current minimizes power consumption during standby mode.
• Built-in overcurrent protection safeguards the circuit from excessive current.

Advantages and Disadvantages

Advantages: - Compact SOT-23-5 package allows for space-saving integration. - Wide input voltage range enables versatile applications. - Excellent line and load regulation ensures stable performance.

Disadvantages: - Limited output current may not be suitable for high-power applications. - Dropout voltage may cause power dissipation in certain scenarios.

Working Principles

The S-1312D15-A4T2U3 is a linear voltage regulator that maintains a constant output voltage of 1.5V, regardless of variations in the input voltage. It achieves this by utilizing a pass transistor that adjusts its resistance to regulate the output voltage. The chip enable (CE) pin controls the operation of the regulator, allowing it to enter a low-power standby mode when not required.

Detailed Application Field Plans

The S-1312D15-A4T2U3 finds applications in various electronic devices where a stable and accurate 1.5V supply is essential. Some potential application fields include: - Battery-powered devices - Portable consumer electronics - IoT devices - Wearable technology - Medical devices

Detailed and Complete Alternative Models

• S-1312D15-A4T2S: Same specifications but with an active-low chip enable (CE) pin.
• S-1312D15-A4T2G: Same specifications but with a different package (SOT-89-5).

Note: This list is not exhaustive, and there may be other alternative models available from different manufacturers.

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