S-1721D3318-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 units per reel

Specifications

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

Detailed Pin Configuration

The S-1721D3318-I6T1U IC has a total of six pins arranged as follows:

```

---

| | --| Vout GND|-- Pin 1: Ground (GND) --| Vin EN |-- Pin 2: Enable (EN) --| FB NC |-- Pin 3: No Connection (NC) --| NC NC |-- Pin 4: No Connection (NC) --| NC Vout|-- Pin 5: Output Voltage (Vout) --| Vin NC |-- Pin 6: No Connection (NC) |___________| ```

Functional Features

• Voltage regulation with high efficiency
• Low power consumption in standby mode
• Built-in overcurrent protection
• Thermal shutdown protection
• Short-circuit protection

Advantages

• Wide input voltage range allows for versatile applications
• Small package size enables space-saving designs
• Low dropout voltage ensures efficient power conversion
• Excellent load and line regulation for stable output voltage

Disadvantages

• Limited output current may not be suitable for high-power applications
• Temperature range may restrict usage in extreme environments

Working Principles

The S-1721D3318-I6T1U is a voltage regulator IC that maintains a stable output voltage regardless of input voltage fluctuations. It utilizes a feedback mechanism to adjust the internal circuitry and provide a constant output voltage. The IC also incorporates various protection features to safeguard against overcurrent, thermal issues, and short circuits.

Detailed Application Field Plans

The S-1721D3318-I6T1U is commonly used in portable electronic devices, such as smartphones, tablets, and wearable devices. It is particularly suitable for battery-powered applications where efficient power management is crucial. The IC can be employed in voltage-sensitive circuits, ensuring stable and reliable operation of the connected components.

Detailed and Complete Alternative Models

• S-1711 Series: Similar voltage regulators with different package options
• S-1722 Series: Higher output current variants of the S-1721 series
• S-1701 Series: Voltage regulators with adjustable output voltage

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