S-1333D21-A4T1U3

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics:
  • High efficiency
  • Low dropout voltage
  • Wide input voltage range
  • Small package size
• Package: SOT-23-5
• Essence: Voltage regulation for electronic devices
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Input Voltage Range: 2.5V to 6.0V
• Output Voltage Range: 1.2V to 5.0V
• Output Current: 300mA
• Dropout Voltage: 200mV (typical)
• Quiescent Current: 30µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The S-1333D21-A4T1U3 IC has a total of five pins arranged as follows:

```

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

Functional Features

• Built-in overcurrent protection
• Thermal shutdown protection
• Short-circuit protection
• Low ESR capacitor compatible
• Soft start function

Advantages

• High efficiency ensures minimal power loss
• Low dropout voltage allows for stable output even with low input voltage
• Wide input voltage range provides flexibility in various applications
• Small package size saves board space
• Overcurrent, thermal shutdown, and short-circuit protections enhance reliability
• Soft start function prevents excessive inrush current

Disadvantages

• Limited output current (300mA)
• Not suitable for high-power applications

Working Principles

The S-1333D21-A4T1U3 is a voltage regulator IC that maintains a stable output voltage regardless of input voltage fluctuations. It utilizes a feedback mechanism to adjust the output voltage based on the reference voltage and the voltage across the feedback resistor. The internal circuitry ensures efficient power conversion while providing protection against overcurrent, thermal shutdown, and short-circuits.

Detailed Application Field Plans

The S-1333D21-A4T1U3 is commonly used in various electronic devices that require regulated voltage supply. Some typical application fields include: - Battery-powered devices - Portable consumer electronics - IoT devices - Wearable devices - Industrial control systems

Detailed and Complete Alternative Models

• S-1313Bxx series
• S-1315x series
• S-1317x series
• S-1320x series
• S-1339x series

These alternative models offer similar voltage regulation capabilities with varying specifications and package options.

In conclusion, the S-1333D21-A4T1U3 is a voltage regulator IC designed for efficient and reliable voltage regulation in various electronic devices. Its small package size, wide input voltage range, and built-in protections make it suitable for a wide range of applications. However, its limited output current may restrict its use in high-power applications.