S-1135B18-U5T1U

Basic Information Overview

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

Specifications

• Input Voltage Range: 2.5V to 18V
• Output Voltage Range: 1.2V to 16V
• Output Current: 150mA
• Dropout Voltage: 200mV (typical)
• Line Regulation: ±0.05% (typical)
• Load Regulation: ±0.3% (typical)
• Quiescent Current: 50µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The S-1135B18-U5T1U has a total of five pins arranged as follows:

```

---

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

Functional Features

• High efficiency conversion of input voltage to regulated output voltage.
• Low dropout voltage ensures stable operation even with small input-output voltage differentials.
• Overcurrent protection safeguards the IC and connected components from excessive current.
• Thermal shutdown protection prevents overheating and damage to the IC.
• Enables precise voltage regulation in various electronic applications.

Advantages

• Wide input voltage range allows for versatile usage in different electronic systems.
• High efficiency results in minimal power dissipation and extended battery life.
• Compact SOT-23-5 package enables space-saving integration into small form factor devices.
• Overcurrent and thermal protection enhance the reliability and durability of the IC.

Disadvantages

• Limited output current capability may not be suitable for high-power applications.
• Dropout voltage may cause a slight voltage drop across the regulator, affecting sensitive circuits.

Working Principles

The S-1135B18-U5T1U is a linear voltage regulator that operates by comparing the output voltage to a reference voltage. It adjusts the resistance between the input and output to maintain a stable output voltage, compensating for changes in load and input voltage.

Detailed Application Field Plans

The S-1135B18-U5T1U finds application 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-1135B18-M5T1U
• S-1135B18-N5T1U
• S-1135B18-R5T1U
• S-1135B18-T5T1U

These alternative models offer similar specifications and functionality, providing flexibility in design and component selection.

In conclusion, the S-1135B18-U5T1U is a voltage regulator IC with high efficiency, low dropout voltage, and overcurrent/thermal protection. Its compact size and wide input voltage range make it suitable for various applications. However, its limited output current and dropout voltage should be considered when selecting alternatives for high-power or sensitive circuits.