S-1721A2818-I6T1U

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: High Efficiency, Low Power Consumption
• Package: SOT-23-6
• Essence: Voltage Regulator
• Packaging/Quantity: Tape and Reel, 3000 pieces per reel

Specifications

• Input Voltage Range: 2.5V to 6.0V
• Output Voltage Range: 0.8V to 5.5V
• Maximum Output Current: 150mA
• Dropout Voltage: 200mV at 100mA
• Quiescent Current: 50µA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The S-1721A2818-I6T1U IC has a total of six pins arranged in the following configuration:

```

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| | --| Vout Vin |-- Pin 1: Input Voltage (Vin) --| GND EN |-- Pin 2: Enable (EN) --| FB NC |-- Pin 3: Not Connected (NC) --| GND GND |-- Pin 4: Ground (GND) --| Vout NC |-- Pin 5: Not Connected (NC) |___________| ```

Functional Features

• Voltage Regulation: The S-1721A2818-I6T1U provides stable output voltage regardless of input voltage fluctuations.
• Low Power Consumption: With a quiescent current of only 50µA, it minimizes power consumption in battery-powered applications.
• Thermal Shutdown Protection: The IC includes built-in thermal shutdown protection to prevent damage due to excessive heat.
• Short Circuit Protection: It features short circuit protection to safeguard the circuit from damage in case of a fault.

Advantages and Disadvantages

Advantages: - High Efficiency: The IC offers high efficiency, resulting in reduced power dissipation. - Wide Input Voltage Range: It can operate within a wide input voltage range, making it suitable for various applications. - Small Package Size: The SOT-23-6 package is compact, allowing for space-saving designs.

Disadvantages: - Limited Output Current: The maximum output current of 150mA may not be sufficient for certain power-hungry applications. - Dropout Voltage: The 200mV dropout voltage at 100mA may affect the overall efficiency in low voltage scenarios.

Working Principles

The S-1721A2818-I6T1U is a voltage regulator that maintains a stable output voltage by adjusting the input voltage. It utilizes a feedback mechanism to continuously monitor the output voltage and adjust the internal circuitry accordingly. By comparing the actual output voltage with a reference voltage, the IC regulates the output voltage within the specified range.

Detailed Application Field Plans

The S-1721A2818-I6T1U is commonly used in various battery-powered applications, such as: - Portable electronic devices - Wearable devices - IoT (Internet of Things) devices - Wireless communication modules

Detailed and Complete Alternative Models

• S-1721B2818-I6T1U: Similar specifications but with an adjustable output voltage feature.
• S-1721C2818-I6T1U: Higher maximum output current of 300mA.
• S-1721D2818-I6T1U: Lower quiescent current of 25µA.

These alternative models provide options based on specific requirements and offer similar functionality to the S-1721A2818-I6T1U.

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