S-1135B27-U5T1G

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics:
  • Low dropout voltage
  • High output voltage accuracy
  • Low quiescent current
  • 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 6.0V
• Output Voltage Range: 1.2V to 5.5V
• Dropout Voltage: 200mV (typical) at 100mA load
• Output Current: 150mA (maximum)
• Quiescent Current: 30μA (typical)
• Line Regulation: ±0.3% (typical)
• Load Regulation: ±0.5% (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The S-1135B27-U5T1G IC has a total of five pins arranged as follows:

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Pin Configuration: 1. VIN: Input voltage pin 2. GND: Ground pin 3. NC: No connection pin 4. VOUT: Output voltage pin 5. EN: Enable pin

Functional Features

• Low dropout voltage ensures stable output even with low input voltage.
• High output voltage accuracy provides precise voltage regulation.
• Low quiescent current minimizes power consumption in standby mode.
• Thermal shutdown protection prevents the IC from overheating.

Advantages

• Wide input voltage range allows for versatile applications.
• Compact SOT-23-5 package enables space-saving designs.
• Excellent line and load regulation ensures stable output voltage.
• Low quiescent current extends battery life in portable devices.

Disadvantages

• Limited maximum output current may not be suitable for high-power applications.
• The SOT-23-5 package may require additional heat dissipation measures for high-load conditions.

Working Principles

The S-1135B27-U5T1G is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the reference voltage with the feedback voltage from a voltage divider network. The pass transistor adjusts its resistance to maintain a constant output voltage, compensating for changes in input voltage and load conditions.

Detailed Application Field Plans

The S-1135B27-U5T1G is commonly used in various electronic devices, including: 1. Battery-powered devices: Portable audio players, digital cameras, and handheld gaming consoles. 2. Communication equipment: Mobile phones, wireless routers, and Bluetooth headsets. 3. Industrial applications: Sensor modules, data loggers, and control systems. 4. Automotive electronics: Infotainment systems, navigation devices, and dashboard displays.

Detailed and Complete Alternative Models

1. S-1135B25-U5T1G: Similar specifications but with a lower dropout voltage of 150mV.
2. S-1135B30-U5T1G: Similar specifications but with a higher output current of 300mA.
3. S-1135B28-U5T1G: Similar specifications but with a wider input voltage range of 2.0V to 6.5V.

These alternative models provide flexibility in choosing the most suitable voltage regulator based on specific application requirements.

In conclusion, the S-1135B27-U5T1G is a versatile voltage regulator IC with excellent performance characteristics. Its low dropout voltage, high output voltage accuracy, and low quiescent current make it suitable for a wide range of applications. However, its limited maximum output current and package limitations should be considered when selecting alternative models for high-power or space-constrained designs.