S-1172B40-U5T1G

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: Low Dropout, High Accuracy, Low Quiescent Current
• 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 - 6.0V
• Output Voltage: 4.0V
• Dropout Voltage: 200mV @ 100mA
• Quiescent Current: 30µA
• Load Regulation: ±0.5%
• Line Regulation: ±0.3%
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The S-1172B40-U5T1G has a total of 5 pins: 1. VIN: Input voltage pin 2. GND: Ground pin 3. NC: No connection pin 4. VOUT: Output voltage pin 5. CE: Chip enable pin

Functional Features

• Low dropout voltage ensures efficient power conversion.
• High accuracy provides a stable output voltage.
• Low quiescent current minimizes power consumption.
• Built-in overcurrent protection safeguards the circuit.

Advantages

• Compact SOT-23-5 package allows for space-saving designs.
• Wide input voltage range enables versatile applications.
• Excellent load and line regulation ensure stable performance.
• Low quiescent current prolongs battery life in portable devices.

Disadvantages

• Limited output voltage options restrict certain applications.
• Dropout voltage may cause power dissipation in high-current scenarios.

Working Principles

The S-1172B40-U5T1G is a linear voltage regulator that maintains a constant output voltage regardless of input voltage fluctuations. It utilizes a pass transistor to regulate the voltage drop across it, ensuring a stable output voltage. The regulator operates by comparing the output voltage with a reference voltage and adjusting the pass transistor accordingly.

Detailed Application Field Plans

The S-1172B40-U5T1G is commonly used in various electronic devices that require a stable 4.0V power supply. Some typical applications include: - Battery-powered devices - Portable audio players - Wireless communication modules - Industrial control systems - Automotive electronics

Detailed and Complete Alternative Models

1. S-1172B33-U5T1G: Regulator with a 3.3V output voltage
2. S-1172B50-U5T1G: Regulator with a 5.0V output voltage
3. S-1172B25-U5T1G: Regulator with a 2.5V output voltage
4. S-1172B30-U5T1G: Regulator with a 3.0V output voltage
5. S-1172B15-U5T1G: Regulator with a 1.5V output voltage

These alternative models provide different output voltage options to suit specific application requirements.

In conclusion, the S-1172B40-U5T1G is a voltage regulator IC that offers low dropout, high accuracy, and low quiescent current. Its compact package, wide input voltage range, and excellent regulation make it suitable for various electronic devices. However, its limited output voltage options and potential power dissipation at high currents should be considered.