S-1135B18-U5T1G

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: Low Dropout, High Current, Adjustable Output
• Package: SOT-23-5
• Essence: Regulates voltage with low dropout and high current capabilities
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Input Voltage Range: 2.5V to 18V
• Output Voltage Range: 1.2V to 16V
• Dropout Voltage: 200mV at 500mA
• Maximum Output Current: 1A
• Line Regulation: ±0.05% typical
• Load Regulation: ±0.1% typical
• Quiescent Current: 75µA typical
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The S-1135B18-U5T1G has a total of five pins arranged as follows: 1. VIN: Input voltage pin 2. GND: Ground pin 3. VOUT: Output voltage pin 4. NC: No connection pin 5. EN: Enable pin

Functional Features

• Low dropout voltage ensures efficient regulation even with small input-output differentials.
• High output current capability allows for powering various loads.
• Adjustable output voltage provides flexibility in different applications.
• Enable pin allows for easy on/off control of the regulator.

Advantages

• Low dropout voltage minimizes power dissipation and extends battery life.
• High output current capability enables driving power-hungry devices.
• Adjustable output voltage accommodates different system requirements.
• Small package size (SOT-23-5) saves board space.
• Enable pin simplifies power management.

Disadvantages

• Limited maximum output current compared to higher power regulators.
• Requires external components for stability and filtering.

Working Principles

The S-1135B18-U5T1G is a linear voltage regulator that operates by comparing the output voltage to an internal reference. It adjusts the pass transistor's resistance to maintain a stable output voltage, compensating for input voltage variations and load changes.

Detailed Application Field Plans

The S-1135B18-U5T1G finds applications in various fields, including: 1. Portable electronic devices: Provides regulated power supply for smartphones, tablets, and portable media players. 2. Automotive electronics: Suitable for powering infotainment systems, navigation units, and lighting modules. 3. Industrial equipment: Used in control systems, sensors, and motor drives. 4. Communication systems: Enables stable power delivery in routers, modems, and wireless access points.

Detailed and Complete Alternative Models

1. S-1135B18-M5T1G: Similar specifications but with fixed output voltage of 1.8V.
2. S-1135B18-N5T1G: Similar specifications but with fixed output voltage of 3.3V.
3. S-1135B18-Q5T1G: Similar specifications but with fixed output voltage of 5V.

These alternative models provide options for specific voltage requirements while maintaining similar characteristics and package options.

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