S-1135B19-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 5.0V
• Dropout Voltage: 200mV at 150mA
• Maximum Output Current: 500mA
• Line Regulation: ±0.05% typical
• Load Regulation: ±0.3% typical
• Quiescent Current: 50µA typical
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The S-1135B19-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 power conversion.
• High current capability allows for powering various components.
• Adjustable output voltage provides flexibility in different applications.
• Built-in overcurrent protection safeguards the circuit from damage.
• Thermal shutdown feature prevents overheating.

Advantages and Disadvantages

Advantages: - Wide input voltage range enables compatibility with different power sources. - Small package size (SOT-23-5) makes it suitable for space-constrained designs. - Low quiescent current minimizes power consumption. - Excellent line and load regulation ensure stable output voltage.

Disadvantages: - Limited maximum output current may not be sufficient for high-power applications. - Dropout voltage of 200mV may affect efficiency in low-voltage scenarios.

Working Principles

The S-1135B19-U5T1G is a voltage regulator IC that utilizes a feedback control mechanism to maintain a stable output voltage. It operates by comparing the reference voltage with the feedback voltage obtained from the output. Any deviation in the output voltage triggers the internal circuitry to adjust the pass transistor, ensuring the output voltage remains within the desired range.

Detailed Application Field Plans

The S-1135B19-U5T1G finds application in various electronic devices and systems, including: 1. Battery-powered devices: Portable electronics, such as smartphones, tablets, and wearables, benefit from its low dropout voltage and adjustable output. 2. Automotive electronics: Used in automotive modules, infotainment systems, and lighting applications due to its wide input voltage range and thermal protection. 3. Industrial equipment: Provides regulated power supply for sensors, actuators, and control circuits in industrial automation systems. 4. Communication devices: Suitable for wireless routers, modems, and network switches, ensuring stable power delivery to critical components.

Detailed and Complete Alternative Models

1. S-1135B18-U5T1G: Similar specifications but with a fixed output voltage of 1.8V.
2. S-1135B25-U5T1G: Similar specifications but with a fixed output voltage of 2.5V.
3. S-1135B33-U5T1G: Similar specifications but with a fixed output voltage of 3.3V.
4. S-1135B50-U5T1G: Similar specifications but with a fixed output voltage of 5.0V.

(Note: These alternative models are part of the same series and share many common features with the S-1135B19-U5T1G.)

In conclusion, the S-1135B19-U5T1G is a versatile voltage regulator IC that offers adjustable output voltage, low dropout, and high current capability. Its compact package and wide input voltage range make it suitable for various applications in consumer electronics, automotive, industrial, and communication sectors. While it has limitations in terms of maximum output current and dropout voltage, it provides reliable power regulation with excellent line and load regulation.