S-1315C31-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)
• 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-1315C31-M5T1U3 IC has a total of five pins arranged as follows:

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

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 in standby mode.
• Built-in overcurrent protection safeguards the circuit from excessive current.

Advantages and Disadvantages

Advantages: - Wide input voltage range allows for versatile applications. - Small package size (SOT-23-5) enables space-saving designs. - Excellent line and load regulation ensure stable output under varying conditions.

Disadvantages: - Limited output current (150mA maximum) may not be suitable for high-power applications. - No thermal protection feature, which could be a concern in certain operating conditions.

Working Principles

The S-1315C31-M5T1U3 is a linear voltage regulator that operates by maintaining a constant output voltage regardless of variations in the input voltage or load. It achieves this through a feedback mechanism that adjusts the internal pass transistor to regulate the output voltage. The dropout voltage is minimized to ensure stable operation even when the input voltage is close to the desired output voltage.

Detailed Application Field Plans

The S-1315C31-M5T1U3 is commonly used in various electronic devices and systems where a stable and accurate voltage supply is required. Some potential application fields include: 1. Battery-powered portable devices such as smartphones, tablets, and digital cameras. 2. Industrial control systems and automation equipment. 3. Automotive electronics for powering sensors, actuators, and control modules. 4. Consumer electronics like audio/video equipment, gaming consoles, and wearable devices. 5. Medical devices and healthcare monitoring systems.

Detailed and Complete Alternative Models

1. S-1315C30-M5T1U3: Similar specifications but with a different pin configuration (EN pin at Pin 4).
2. S-1315C33-M5T1U3: Higher output current capability (300mA maximum) with similar specifications.
3. S-1315C35-M5T1U3: Lower quiescent current (10µA typical) with similar specifications.

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

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