S-1312B16-A4T2U3

Basic Information Overview

Category: Electronic Component
Use: Voltage Regulator
Characteristics: High Efficiency, Low Dropout Voltage
Package: SOT-23-5
Essence: Linear Voltage Regulator
Packaging/Quantity: Tape and Reel, 3000 pieces per reel

Specifications

• Input Voltage Range: 2.0V to 6.0V
• Output Voltage Range: 1.2V to 5.5V
• Maximum Output Current: 150mA
• Dropout Voltage: 160mV (typical)
• Quiescent Current: 30μA (typical)
• Line Regulation: ±0.05% (typical)
• Load Regulation: ±0.2% (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The S-1312B16-A4T2U3 has a total of five pins arranged in the following configuration:

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

Functional Features

• Low dropout voltage ensures efficient power conversion.
• High output accuracy with low line and load regulation.
• Built-in overcurrent protection for enhanced reliability.
• Thermal shutdown feature prevents overheating.
• Enable control pin allows for easy on/off switching.

Advantages and Disadvantages

Advantages: - High efficiency results in minimal power loss. - Wide input voltage range provides flexibility in various applications. - Small package size enables space-saving designs. - Low quiescent current prolongs battery life.

Disadvantages: - Limited maximum output current may restrict usage in high-power applications. - Dropout voltage may affect performance in low input voltage scenarios.

Working Principles

The S-1312B16-A4T2U3 is a linear voltage regulator that operates by maintaining a constant output voltage regardless of variations in the input voltage or load conditions. It achieves this through the use of a pass transistor and feedback circuitry. When the input voltage exceeds the desired output voltage, the pass transistor adjusts its resistance to regulate the output voltage within the specified range. The enable control pin allows for easy on/off switching of the regulator.

Detailed Application Field Plans

The S-1312B16-A4T2U3 finds application in various electronic devices where a stable and regulated voltage supply is required. Some potential application fields include:

1. Portable Electronics: Smartphones, tablets, portable media players.
2. Wearable Devices: Fitness trackers, smartwatches.
3. IoT Devices: Sensors, wireless modules.
4. Battery-Powered Systems: Handheld instruments, remote controls.
5. Automotive Electronics: Infotainment systems, dashboard displays.

Detailed and Complete Alternative Models

1. S-1312B16-A4T2S: Similar specifications but with an active-low enable control pin.
2. S-1312B16-A4T2G: Higher maximum output current of 300mA.
3. S-1312B16-A4T2R: Lower dropout voltage of 100mV (typical).

These alternative models offer similar functionality and can be considered as substitutes based on specific requirements.

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