S-1172B32-U5T1G

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: Low Dropout, High Accuracy, Low Quiescent Current
• Package: SOT-23-5
• Essence: Linear Voltage Regulator
• Packaging/Quantity: Tape and Reel, 3000 pieces 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: 200mV at 100mA
• Line Regulation: ±0.05% (Typical)
• Load Regulation: ±0.3% (Typical)
• Quiescent Current: 40µA (Typical)

Detailed Pin Configuration

The S-1172B32-U5T1G has a total of five pins arranged in the following configuration:

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| | --| Vout|-- Pin 1 --| GND |-- Pin 2 --| Vin |-- Pin 3 --| NC |-- Pin 4 --| EN |-- Pin 5 |____| ```

Functional Features

• Low dropout voltage ensures stable output even with low input voltages.
• High accuracy provides precise output voltage regulation.
• Low quiescent current minimizes power consumption during standby mode.
• Built-in overcurrent protection safeguards the circuit from excessive currents.
• Thermal shutdown feature prevents overheating and damage to the IC.

Advantages and Disadvantages

Advantages: - Wide input voltage range allows for versatile applications. - Small package size enables space-saving designs. - Excellent line and load regulation ensure stable performance. - Low quiescent current prolongs battery life in portable devices.

Disadvantages: - Limited maximum output current may restrict usage in high-power applications. - Dropout voltage may cause a slight decrease in efficiency.

Working Principles

The S-1172B32-U5T1G is a linear voltage regulator that operates by maintaining a constant output voltage regardless of variations in the input voltage or load conditions. It achieves this through a feedback mechanism that adjusts the internal pass transistor to regulate the output voltage. The dropout voltage is the minimum voltage difference required between the input and output for the regulator to function correctly.

Detailed Application Field Plans

The S-1172B32-U5T1G is commonly used in various electronic devices, including but not limited to: - Battery-powered devices such as smartphones, tablets, and portable media players. - Industrial control systems requiring stable voltage supply. - Automotive electronics for voltage regulation in vehicle components. - Consumer electronics like digital cameras, audio players, and handheld gaming consoles.

Detailed and Complete Alternative Models

• S-1172B33-U5T1G: Similar specifications with a higher maximum output current of 300mA.
• S-1172B31-U5T1G: Similar specifications with a lower maximum output current of 100mA.
• S-1172B34-U5T1G: Similar specifications with a higher maximum output current of 500mA.

These alternative models provide options based on specific application requirements and desired output current capabilities.

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