S-1312A21-A4T2U3

Product Overview

Category

S-1312A21-A4T2U3 belongs to the category of voltage regulators.

Use

This product is primarily used for regulating voltage in electronic circuits.

Characteristics

• Compact size
• High efficiency
• Low dropout voltage
• Wide input voltage range
• Overcurrent protection
• Thermal shutdown protection

Package

The S-1312A21-A4T2U3 comes in a small surface-mount package.

Essence

The essence of this product lies in its ability to provide stable and regulated voltage to electronic devices.

Packaging/Quantity

The S-1312A21-A4T2U3 is typically packaged in reels and available in quantities of 3000 units per reel.

Specifications

• Input Voltage Range: 2.5V - 6.0V
• Output Voltage: 2.1V
• Output Current: 100mA
• Dropout Voltage: 200mV (typical)
• Quiescent Current: 30μA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The S-1312A21-A4T2U3 has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. VOUT: Output voltage pin
4. CE: Chip enable pin

Functional Features

• Low power consumption
• Fast response time
• Stable output voltage
• Built-in overcurrent and thermal protection
• Reverse current protection

Advantages and Disadvantages

Advantages

• Small form factor allows for easy integration into compact designs
• Efficient voltage regulation ensures optimal performance of electronic devices
• Wide input voltage range provides flexibility in various applications
• Overcurrent and thermal protection safeguards the circuit and connected devices

Disadvantages

• Limited output current may not be suitable for high-power applications
• Dropout voltage may cause a slight decrease in efficiency

Working Principles

The S-1312A21-A4T2U3 utilizes a voltage reference, error amplifier, and pass transistor to regulate the output voltage. When the input voltage exceeds the desired output voltage, the pass transistor adjusts its resistance to maintain a stable output voltage.

Detailed Application Field Plans

The S-1312A21-A4T2U3 is commonly used in various electronic devices, including:

1. Mobile phones
2. Portable media players
3. Digital cameras
4. Wireless communication devices
5. Battery-powered devices

Detailed and Complete Alternative Models

1. S-1312B21-A4T2U3: Similar specifications with a different output voltage of 2.2V.
2. S-1312C21-A4T2U3: Similar specifications with a different output voltage of 2.3V.
3. S-1312D21-A4T2U3: Similar specifications with a different output voltage of 2.4V.
4. S-1312E21-A4T2U3: Similar specifications with a different output voltage of 2.5V.

These alternative models provide options for different output voltage requirements while maintaining similar characteristics and features.

In conclusion, the S-1312A21-A4T2U3 is a compact and efficient voltage regulator that offers stable voltage regulation for various electronic devices. Its wide input voltage range, overcurrent protection, and thermal shutdown make it a reliable choice for many applications. However, its limited output current and dropout voltage should be considered when selecting this product for high-power applications.