S-1721A2818-M6T1G

Basic Information Overview

Category: Electronic Component
Use: Voltage Regulator
Characteristics: High Efficiency, Low Dropout, Low Quiescent Current
Package: SOT-23-6
Essence: Linear Voltage Regulator
Packaging/Quantity: Tape and Reel / 3000 pieces per reel

Specifications

• Input Voltage Range: 2.5V to 6.5V
• Output Voltage Range: 1.2V to 5.5V
• Maximum Output Current: 150mA
• Dropout Voltage: 200mV (typical)
• Quiescent Current: 30µA (typical)
• Line Regulation: ±0.3% (typical)
• Load Regulation: ±0.5% (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The S-1721A2818-M6T1G has a total of six pins arranged in the following configuration:

```

---

| | --| Vout GND|-- Pin 1 --| Vin NC |-- Pin 2 --| EN NC |-- Pin 3 --| FB NC |-- Pin 4 --| NC NC |-- Pin 5 --| Vin NC |-- Pin 6 |___________| ```

Pin 1: Vout - Output Voltage
Pin 2: Vin - Input Voltage
Pin 3: EN - Enable Pin
Pin 4: FB - Feedback Pin
Pin 5: NC - No Connection
Pin 6: Vin - Input Voltage

Functional Features

• High efficiency voltage regulation for low power applications
• Low dropout voltage allows operation with small input-output voltage differentials
• Low quiescent current ensures minimal power consumption during standby or idle mode
• Enable pin for easy on/off control of the regulator

Advantages and Disadvantages

Advantages: - High efficiency operation - Small package size - Wide input voltage range - Low dropout voltage - Low quiescent current

Disadvantages: - Limited maximum output current (150mA) - No thermal shutdown feature

Working Principles

The S-1721A2818-M6T1G is a linear voltage regulator that provides a stable output voltage regardless of variations in the input voltage. It achieves this by using a pass transistor to regulate the voltage drop across it. The feedback pin (FB) monitors the output voltage and adjusts the pass transistor accordingly to maintain the desired output voltage.

Detailed Application Field Plans

The S-1721A2818-M6T1G is commonly used in various low-power applications, including but not limited to:

1. Battery-powered devices such as portable audio players, digital cameras, and handheld gaming consoles.
2. IoT (Internet of Things) devices requiring stable voltage supply.
3. Wearable devices like smartwatches and fitness trackers.
4. Embedded systems and microcontroller-based projects.
5. Automotive electronics, particularly in infotainment systems and dashboard displays.

Detailed and Complete Alternative Models

1. S-1711A1818-M6T1G
2. S-1701A2818-M6T1G
3. S-1731A2818-M6T1G
4. S-1741A2818-M6T1G
5. S-1751A2818-M6T1G

These alternative models offer similar functionality and characteristics, providing options for different design requirements while maintaining compatibility with the S-1721A2818-M6T1G.

Note: The above information is subject to change. Please refer to the manufacturer's datasheet for the most up-to-date specifications and details.

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