S-1135B20-U5T1G

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: Low Dropout, High Current, Adjustable Output
• Package: SOT-23-5
• Essence: Regulates input voltage to a stable output voltage
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Input Voltage Range: 2.5V to 6.0V
• Output Voltage Range: 0.8V to 5.5V
• Dropout Voltage: 200mV at 150mA
• Maximum Output Current: 150mA
• Quiescent Current: 50µA (typical)

Detailed Pin Configuration

The S-1135B20-U5T1G has a SOT-23-5 package with the following pin configuration:

```

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| | --| Vout| --| GND | --| Vin | --| EN | |____| ```

• Vout: Output Voltage
• GND: Ground
• Vin: Input Voltage
• EN: Enable Pin

Functional Features

• Low dropout voltage ensures efficient regulation even with small input-output voltage differentials.
• High current capability allows for powering various components in electronic circuits.
• Adjustable output voltage provides flexibility in meeting specific voltage requirements.

Advantages

• Small form factor and low profile package make it suitable for space-constrained applications.
• Low quiescent current minimizes power consumption during standby or idle modes.
• Wide input voltage range enables compatibility with different power sources.
• Excellent line and load regulation characteristics ensure stable output voltage under varying conditions.

Disadvantages

• Limited maximum output current may not be sufficient for high-power applications.
• Lack of built-in protection features such as overcurrent or thermal shutdown.

Working Principles

The S-1135B20-U5T1G is a linear voltage regulator that utilizes a PNP transistor as the pass element. It regulates the input voltage to a stable output voltage by adjusting the resistance between the input and output terminals. The enable pin (EN) controls the operation of the regulator, allowing for power-saving modes when not in use.

Detailed Application Field Plans

The S-1135B20-U5T1G is commonly used in various electronic devices and systems, including: 1. Battery-powered portable devices: Provides regulated power supply for microcontrollers, sensors, and other components. 2. Communication equipment: Ensures stable voltage for RF modules, transceivers, and signal processing circuits. 3. Industrial control systems: Used in automation, robotics, and instrumentation applications. 4. Automotive electronics: Suitable for powering sensors, actuators, and control units in vehicles. 5. Consumer electronics: Found in audio/video equipment, gaming consoles, and home appliances.

Detailed and Complete Alternative Models

1. S-1135B18-U5T1G: Similar specifications with a lower dropout voltage of 180mV at 150mA.
2. S-1135B25-U5T1G: Similar specifications with a higher maximum output current of 250mA.
3. S-1135B33-U5T1G: Similar specifications with an adjustable output voltage range of 0.8V to 3.3V.

These alternative models offer similar functionality but may have slight variations in performance characteristics.

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