S-1315B28-M5T1U3

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 Range: 1.2V to 5.5V
• Dropout Voltage: 200mV (typical) at 100mA load current
• Output Current: 150mA (maximum)
• 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-1315B28-M5T1U3 IC has a total of five pins arranged as follows: 1. VIN: Input voltage pin 2. GND: Ground pin 3. EN: Enable pin 4. VOUT: Output voltage pin 5. NC: No connection pin

Functional Features

• Low dropout voltage ensures efficient power conversion even with low input-output voltage differentials.
• High accuracy provides precise output voltage regulation.
• Low quiescent current minimizes power consumption in standby or idle mode.
• Built-in overcurrent protection safeguards the circuit from excessive current flow.
• Thermal shutdown protection prevents damage due to excessive temperature.

Advantages

• Compact SOT-23-5 package allows for space-saving integration into various electronic devices.
• Wide input voltage range enables compatibility with different power sources.
• Excellent line and load regulation ensures stable output voltage under varying conditions.
• Low dropout voltage minimizes power dissipation and extends battery life.
• High accuracy provides reliable voltage regulation for sensitive electronic components.

Disadvantages

• Limited output current of 150mA may not be sufficient for high-power applications.
• The SOT-23-5 package may require additional heat sinking for better thermal management in certain cases.

Working Principles

The S-1315B28-M5T1U3 is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the reference voltage with the feedback voltage, adjusting the pass transistor's resistance to maintain a constant output voltage despite changes in input voltage or load conditions. The enable pin allows for control of the regulator's operation, providing flexibility in power management.

Detailed Application Field Plans

The S-1315B28-M5T1U3 is commonly used in various portable electronic devices, such as smartphones, tablets, digital cameras, and portable media players. It is suitable for applications that require stable and accurate voltage regulation, especially when operating on battery power. The low quiescent current makes it ideal for power-sensitive devices that prioritize energy efficiency.

Detailed and Complete Alternative Models

1. S-1315B33-M5T1U3: Similar specifications but with a higher output voltage range (1.8V to 5.5V).
2. S-1315B18-M5T1U3: Similar specifications but with a lower output voltage range (0.9V to 4.5V).
3. S-1315B50-M5T1U3: Similar specifications but with a higher output current capability (300mA).

Note: These alternative models are provided as examples and may not cover all available options. Please refer to the manufacturer's datasheet for a complete list of alternatives.

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