S-1172B19-U5T1G

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: Low Dropout, High Output Current, Adjustable Output Voltage
• 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
• Output Current: Up to 1A
• Dropout Voltage: 200mV at 500mA
• Quiescent Current: 75µA
• Line Regulation: ±0.05%
• Load Regulation: ±0.1%
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The S-1172B19-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 regulation even with small input-output voltage differentials.
• High output current capability allows for powering a wide range of devices.
• Adjustable output voltage enables customization according to specific requirements.
• Excellent line and load regulation ensure stable output voltage under varying conditions.
• Enable pin allows for easy on/off control of the regulator.

Advantages

• Compact SOT-23-5 package offers space-saving benefits in applications with limited board space.
• Wide input voltage range makes it suitable for various power supply sources.
• Low quiescent current minimizes power consumption, ideal for battery-powered devices.
• High output current capability enables driving power-hungry components.
• Adjustable output voltage provides flexibility in different applications.

Disadvantages

• Limited pin configuration options may restrict certain circuit designs.
• Dropout voltage of 200mV may not be suitable for ultra-low power applications.
• SOT-23-5 package may require additional thermal management for high-power applications.

Working Principles

The S-1172B19-U5T1G is a linear voltage regulator that utilizes a pass transistor to regulate the input voltage to a stable output voltage. It operates by comparing the output voltage with a reference voltage and adjusting the pass transistor accordingly to maintain the desired output voltage. The enable pin allows for easy control of the regulator's operation.

Detailed Application Field Plans

The S-1172B19-U5T1G can be used in various applications, including but not limited to: - Battery-powered devices such as portable electronics, IoT devices, and wearables. - Power supply modules for microcontrollers, sensors, and other electronic components. - Automotive electronics, providing stable voltage for various systems. - Industrial equipment, ensuring reliable power delivery in harsh environments.

Detailed and Complete Alternative Models

• S-1172B18-U5T1G: Similar specifications, but with a fixed output voltage of 1.8V.
• S-1172B20-U5T1G: Similar specifications, but with a fixed output voltage of 2.0V.
• S-1172B33-U5T1G: Similar specifications, but with a fixed output voltage of 3.3V.
• S-1172B50-U5T1G: Similar specifications, but with a fixed output voltage of 5.0V.

(Note: This list is not exhaustive and there may be other alternative models available.)

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