S-1721A3318-M6T1G

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management IC

Characteristics: - Low dropout voltage regulator - High output voltage accuracy - Low quiescent current - Thermal shutdown protection - Overcurrent protection - Short-circuit protection

Package: SOT-23-6

Essence: The S-1721A3318-M6T1G is a low dropout voltage regulator designed for power management applications. It provides a stable and accurate output voltage with low power consumption.

Packaging/Quantity: The S-1721A3318-M6T1G is available in a SOT-23-6 package. Each package contains one unit of the IC.

Specifications

• Input Voltage Range: 2.5V to 6.0V
• Output Voltage Range: 1.2V to 5.5V
• Dropout Voltage: 200mV (typical)
• Quiescent Current: 30µA (typical)
• Output Current: 150mA (maximum)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The S-1721A3318-M6T1G has six pins arranged as follows:

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| | --| VOUT GND|-- --| VIN NC |-- --| EN NC |-- --| FB NC |-- --| NC VBAT|-- |___________| ```

Pin Description: - VOUT: Output Voltage - GND: Ground - VIN: Input Voltage - EN: Enable Pin - FB: Feedback Pin - VBAT: Battery Input

Functional Features

1. Low Dropout Voltage: The S-1721A3318-M6T1G has a low dropout voltage, allowing it to regulate the output voltage even when the input voltage is close to the desired output voltage.

2. High Output Voltage Accuracy: This IC provides high accuracy in maintaining the desired output voltage, ensuring stable performance of the connected devices.

3. Low Quiescent Current: With a low quiescent current, the S-1721A3318-M6T1G minimizes power consumption, making it suitable for battery-powered applications.

4. Thermal Shutdown Protection: The IC incorporates thermal shutdown protection, which prevents damage due to excessive heat by shutting down the regulator temporarily.

5. Overcurrent and Short-Circuit Protection: The S-1721A3318-M6T1G includes overcurrent and short-circuit protection mechanisms to safeguard the connected circuitry from potential damage.

Advantages and Disadvantages

Advantages: - Low dropout voltage ensures efficient regulation. - High output voltage accuracy guarantees stable performance. - Low quiescent current minimizes power consumption. - Thermal shutdown protection prevents overheating. - Overcurrent and short-circuit protection enhance safety.

Disadvantages: - Limited maximum output current (150mA). - Restricted input voltage range (2.5V to 6.0V).

Working Principles

The S-1721A3318-M6T1G operates as a linear voltage regulator. It regulates the output voltage by comparing the feedback voltage (FB) with a reference voltage. The enable pin (EN) controls the operation of the regulator. When enabled, the IC regulates the output voltage according to the desired value set by external components.

Detailed Application Field Plans

The S-1721A3318-M6T1G is commonly used in various applications, including but not limited to: - Battery-powered devices - Portable electronic devices - IoT (Internet of Things) devices - Consumer electronics - Automotive electronics

Detailed and Complete Alternative Models

1. S-1721A3318-M6T2G
2. S-1721A3318-M6T3G
3. S-1721A3318-M6T4G
4. S-1721A3318-M6T5G

These alternative models have similar specifications and functionality to the S-1721A3318-M6T1G, but may differ in package type or quantity per package.

In conclusion, the S-1721A3318-M6T1G is a low dropout voltage regulator IC designed for power management applications. It offers high accuracy, low power consumption, and various protection features. Its compact SOT-23-6 package makes it suitable for space-constrained designs.