S-1333A19-A4T1U3

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics:
  • High precision
  • Low dropout voltage
  • Low quiescent current
  • Small package size
• Package: SOT-23-5
• Essence: Linear 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: 100mA
• Dropout Voltage: 200mV (typical)
• Quiescent Current: 30µA (typical)
• Line Regulation: ±0.05% (typical)
• Load Regulation: ±0.1% (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The S-1333A19-A4T1U3 IC has a total of five pins arranged as follows:

```

---

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

Functional Features

• High precision voltage regulation
• Low dropout voltage ensures efficient power conversion
• Low quiescent current for improved energy efficiency
• Enable pin for easy on/off control
• Thermal shutdown protection
• Short-circuit protection

Advantages

• Compact SOT-23-5 package allows for space-saving designs
• Wide input voltage range enables versatile applications
• Excellent line and load regulation for stable output voltage
• Low dropout voltage minimizes power dissipation
• Low quiescent current prolongs battery life

Disadvantages

• Limited output current of 100mA may not be sufficient for high-power applications
• Requires external components for stability and filtering

Working Principles

The S-1333A19-A4T1U3 is a linear voltage regulator that maintains a constant output voltage regardless of variations in the input voltage or load conditions. It achieves this by using a feedback mechanism that compares the output voltage with a reference voltage. Any deviation from the desired output voltage is corrected by adjusting the internal pass transistor.

Detailed Application Field Plans

The S-1333A19-A4T1U3 is commonly used in various electronic devices and systems, including but not limited to: - Battery-powered devices - Portable consumer electronics - Industrial control systems - Automotive applications - Medical equipment

Detailed and Complete Alternative Models

• S-1333B19-A4T1U3: Similar specifications, different package (SOT-89-5)
• S-1333C19-A4T1U3: Higher output current (200mA), similar specifications, same package (SOT-23-5)
• S-1333D19-A4T1U3: Lower dropout voltage (150mV), similar specifications, same package (SOT-23-5)

Note: This is not an exhaustive list, and there may be other alternative models available from different manufacturers.

In conclusion, the S-1333A19-A4T1U3 is a high-precision voltage regulator IC with low dropout voltage and quiescent current. Its compact package, wide input voltage range, and excellent regulation make it suitable for various applications. However, its limited output current and external component requirements should be considered when selecting alternative models.