S-1312D21-A4T2U3

Basic Information Overview

• Category: Electronic Component
• Use: Voltage Regulator
• Characteristics: High Efficiency, Low Dropout Voltage
• Package: SOT-23-5
• Essence: Linear 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 (at 100mA)
• Quiescent Current: 40µA (typical)

Detailed Pin Configuration

The S-1312D21-A4T2U3 has a total of 5 pins: 1. VIN: Input Voltage Pin 2. GND: Ground Pin 3. CE: Chip Enable Pin 4. VOUT: Output Voltage Pin 5. NC: No Connection Pin

Functional Features

• Low Dropout Voltage: The S-1312D21-A4T2U3 exhibits a low dropout voltage, ensuring efficient power conversion even when the input voltage is close to the desired output voltage.
• High Efficiency: With its low quiescent current and high output current capability, this voltage regulator achieves high efficiency in various applications.
• Thermal Shutdown Protection: The device incorporates thermal shutdown protection, preventing damage due to excessive temperature.

Advantages and Disadvantages

Advantages: - Compact package size allows for space-saving designs. - Wide input voltage range enables compatibility with various power sources. - Low dropout voltage ensures efficient power conversion. - Thermal shutdown protection enhances reliability.

Disadvantages: - Limited maximum output current may restrict usage in high-power applications. - Not suitable for applications requiring adjustable output voltage.

Working Principles

The S-1312D21-A4T2U3 is a linear voltage regulator that operates by maintaining a constant output voltage regardless of changes in the input voltage or load conditions. It achieves this through the use of a pass transistor and feedback circuitry.

Detailed Application Field Plans

The S-1312D21-A4T2U3 finds applications in various electronic devices, including but not limited to: 1. Battery-powered portable devices: Provides stable voltage supply for microcontrollers, sensors, and other low-power components. 2. IoT devices: Ensures reliable power delivery to wireless modules, sensors, and communication interfaces. 3. Consumer electronics: Used in audio/video equipment, digital cameras, and handheld gaming consoles. 4. Industrial automation: Suitable for powering control systems, sensors, and actuators in industrial environments.

Detailed and Complete Alternative Models

1. S-1312D25-A4T2U3: Similar to S-1312D21-A4T2U3, but with a higher maximum output current of 250mA.
2. S-1312D18-A4T2U3: Lower dropout voltage variant, suitable for applications requiring ultra-low voltage differentials.
3. S-1312D21-A5T2U3: Package variant with additional ESD protection features, ideal for applications exposed to electrostatic discharge risks.

(Note: The above alternative models are provided as examples and may not represent an exhaustive list.)

This entry provides comprehensive information about the S-1312D21-A4T2U3 voltage regulator, including its basic details, specifications, pin configuration, functional features, advantages, disadvantages, working principles, application field plans, and alternative models.