S-1135D19-U5T1U

Basic Information Overview

Category: Electronic Component
Use: Voltage Regulator
Characteristics: High Efficiency, Low Dropout Voltage
Package: SOT-23-5
Essence: Integrated Circuit
Packaging/Quantity: Tape and Reel / 3000 units per reel

Specifications

• Input Voltage Range: 2.5V to 6.0V
• Output Voltage Range: 1.2V to 5.5V
• Maximum Output Current: 150mA
• Dropout Voltage: 160mV (typical)
• Quiescent Current: 30µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The S-1135D19-U5T1U has a total of five pins arranged in the following configuration:

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Pin 1: VIN (Input Voltage)
Pin 2: GND (Ground)
Pin 3: VOUT (Output Voltage)
Pin 4: CE (Chip Enable)
Pin 5: NC (No Connection)

Functional Features

• Low dropout voltage ensures stable output even with low input voltage.
• High efficiency results in minimal power dissipation.
• Built-in overcurrent protection safeguards the circuit from excessive current.
• Thermal shutdown feature prevents overheating.

Advantages and Disadvantages

Advantages: - Wide input voltage range allows for versatile applications. - Compact SOT-23-5 package enables space-saving designs. - Low quiescent current minimizes power consumption. - Excellent line regulation and load regulation ensure stable performance.

Disadvantages: - Limited maximum output current may restrict usage in high-power applications. - Dropout voltage may affect performance in low input voltage scenarios.

Working Principles

The S-1135D19-U5T1U is a voltage regulator that maintains a stable output voltage regardless of fluctuations in the input voltage. It utilizes an integrated circuit to regulate the voltage and provide a constant output within the specified range. The chip enable pin (CE) allows for control of the regulator's operation, enabling power-saving modes when necessary. The device also incorporates overcurrent protection and thermal shutdown mechanisms to safeguard the circuit from potential damage.

Detailed Application Field Plans

The S-1135D19-U5T1U finds application in various electronic devices where a stable voltage supply is crucial. Some potential fields of use include:

1. Mobile Devices: Smartphones, tablets, and portable media players benefit from the efficient power management provided by the voltage regulator.
2. IoT Devices: Connected devices such as sensors, wearables, and home automation systems rely on stable voltage regulation for reliable operation.
3. Battery-Powered Systems: The low dropout voltage and low quiescent current make it suitable for battery-powered applications, extending battery life.
4. Industrial Control Systems: The voltage regulator can be used in control circuits, motor drivers, and other industrial applications requiring stable power supply.

Detailed and Complete Alternative Models

1. S-1135D19-M5T1U: Similar specifications and pin configuration, but with a different package (SOT-23-5).
2. S-1135D19-U5T2U: Same specifications and pin configuration, but with a higher maximum output current of 300mA.
3. S-1135D19-U5T1R: Reverse pin configuration, suitable for specific PCB layouts.

These alternative models offer similar functionality and can be considered as substitutes based on specific requirements.

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