S-1135A21-U5T1U

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 6.0V
• Output Voltage Range: 0.8V to 5.0V
• Maximum Output Current: 1.0A
• Dropout Voltage: 200mV at 500mA
• Quiescent Current: 50µA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

1. GND (Ground)
2. VIN (Input Voltage)
3. VOUT (Output Voltage)
4. NC (No Connection)
5. EN (Enable)

Functional Features

• Low dropout voltage ensures efficient regulation even with small input-output differentials.
• High output current capability allows for powering a wide range of devices.
• Adjustable output voltage provides flexibility in various 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 the use of power-hungry components.
• Adjustable output voltage accommodates different system requirements.
• Small package size (SOT-23-5) saves board space.

Disadvantages

• Limited input voltage range (2.5V to 6.0V) may not be suitable for all applications.
• Dropout voltage of 200mV at 500mA may affect performance in low voltage scenarios.

Working Principles

The S-1135A21-U5T1U is a voltage regulator that maintains a stable output voltage regardless of input voltage fluctuations. It utilizes a pass transistor to regulate the voltage drop between the input and output terminals. The enable pin allows for easy control of the regulator's operation.

Detailed Application Field Plans

• Battery-powered devices: Provides regulated power supply for portable electronics, such as smartphones, tablets, and wearable devices.
• Industrial applications: Suitable for powering sensors, actuators, and other components in industrial automation systems.
• Automotive electronics: Can be used in automotive applications, including infotainment systems, lighting modules, and engine control units.

Detailed and Complete Alternative Models

• S-1133A18-U5T1G: Similar voltage regulator with a fixed output voltage of 1.8V.
• S-1135B25-U5T1U: Voltage regulator with a higher output current capability of 2.5A.

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