S-1135A22-U5T1U

Basic Information Overview

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

Specifications

• Input Voltage Range: 2.5V to 6.0V
• Output Voltage: 2.2V
• Output Current: 150mA
• Dropout Voltage: 200mV (typical)
• Quiescent Current: 30µA (typical)
• Line Regulation: ±0.05% (typical)
• Load Regulation: ±0.3% (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The S-1135A22-U5T1U has a total of five pins arranged as follows:

```

---

| | --|----|-- |____| ```

Pin 1: VIN (Input Voltage) Pin 2: GND (Ground) Pin 3: NC (No Connection) Pin 4: VOUT (Output Voltage) Pin 5: CE (Enable Control)

Functional Features

• Low dropout voltage ensures stable output even with low input voltage.
• High efficiency minimizes power dissipation.
• Enable control allows for power-saving operation when the device is not in use.
• Overcurrent protection safeguards the circuit from excessive current.

Advantages and Disadvantages

Advantages: - Small package size enables space-saving designs. - Wide input voltage range provides flexibility in various applications. - Low quiescent current prolongs battery life. - Excellent line and load regulation ensures stable output voltage.

Disadvantages: - Limited output current may not be suitable for high-power applications. - Dropout voltage may affect performance in low input voltage scenarios.

Working Principles

The S-1135A22-U5T1U is a linear voltage regulator that maintains a constant 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 enable control pin allows the user to turn the device on or off, conserving power when not needed.

Detailed Application Field Plans

The S-1135A22-U5T1U is commonly used in various electronic devices, including but not limited to: - Battery-powered devices - Portable audio players - Mobile phones - Digital cameras - Wireless communication modules

Detailed and Complete Alternative Models

• S-1135A18-U5T1U: Output voltage of 1.8V, otherwise similar specifications.
• S-1135A25-U5T1U: Output voltage of 2.5V, otherwise similar specifications.
• S-1135A33-U5T1U: Output voltage of 3.3V, otherwise similar specifications.
• S-1135A50-U5T1U: Output voltage of 5.0V, otherwise similar specifications.

These alternative models provide different output voltages to cater to specific application requirements while maintaining similar characteristics and package options.

In conclusion, the S-1135A22-U5T1U is a voltage regulator IC with high efficiency, low dropout voltage, and a small package size. It is widely used in battery-powered devices, portable audio players, mobile phones, digital cameras, and wireless communication modules. While it has limitations in terms of output current and dropout voltage, it offers advantages such as wide input voltage range, low quiescent current, and excellent line and load regulation.