S-1312B19-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: 2.5V to 6.0V
• Output Voltage Range: 1.2V to 5.5V
• Maximum Output Current: 150mA
• Dropout Voltage: 160mV (typical)
• Quiescent Current: 45µA (typical)
• Line Regulation: ±0.05% (typical)
• Load Regulation: ±0.2% (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The S-1312B19-A4T2U3 voltage regulator has the following pin configuration:

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

Functional Features

• High efficiency with low dropout voltage
• Low quiescent current consumption
• Excellent line and load regulation
• Built-in overcurrent protection
• Thermal shutdown protection
• Short-circuit protection

Advantages and Disadvantages

Advantages: - High efficiency ensures minimal power loss - Low dropout voltage allows for stable output even with low input voltage - Wide input voltage range provides flexibility in various applications - Compact SOT-23-5 package saves board space - Overcurrent, thermal, and short-circuit protections enhance reliability

Disadvantages: - Limited maximum output current of 150mA - Not suitable for high-power applications

Working Principles

The S-1312B19-A4T2U3 is a linear voltage regulator that regulates the output voltage by dissipating excess energy as heat. It operates by comparing the reference voltage with the feedback voltage and adjusting the pass transistor accordingly. This ensures a stable output voltage despite variations in input voltage and load conditions.

Detailed Application Field Plans

The S-1312B19-A4T2U3 is commonly used in various electronic devices, including but not limited to: - Battery-powered devices - Portable consumer electronics - IoT devices - Wearable devices - Medical equipment - Industrial control systems

Detailed and Complete Alternative Models

1. S-1312B19-A4T2U5: Similar specifications, different package (SOT-89-5)
2. S-1312B19-A4T2U6: Similar specifications, different package (SOT-323-5)
3. S-1312B19-A4T2U9: Similar specifications, different package (USP-6C)

These alternative models offer similar functionality and performance while providing options for different board layouts and space constraints.

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