S-1172B17-U5T1U

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 to 6.0V
• Output Voltage Range: 1.2V to 5.5V
• Dropout Voltage: 200mV (typical) at 100mA load current
• Quiescent Current: 30μA (typical)
• Load Regulation: ±0.05% (typical)
• Line Regulation: ±0.02% (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The S-1172B17-U5T1U has a total of 5 pins: 1. VIN: Input voltage pin 2. GND: Ground pin 3. CE: Chip enable pin 4. VOUT: Output voltage pin 5. NC: No connection pin

Functional Features

• Low dropout voltage ensures efficient power conversion.
• High accuracy provides precise output voltage regulation.
• Low quiescent current minimizes power consumption.
• Built-in overcurrent protection safeguards the circuit.
• Thermal shutdown prevents overheating.

Advantages and Disadvantages

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

Disadvantages: - Limited output current capability (typically 100mA). - Dropout voltage may be higher compared to other regulators. - Temperature range is limited to -40°C to +85°C.

Working Principles

The S-1172B17-U5T1U is a linear voltage regulator that utilizes a PNP transistor as the pass element. It regulates the input voltage to a stable output voltage by adjusting the resistance of the pass element. The control circuitry monitors the output voltage and adjusts the pass element accordingly to maintain the desired output voltage.

Detailed Application Field Plans

The S-1172B17-U5T1U is commonly used in various electronic devices and systems, including: - Battery-powered devices such as smartphones, tablets, and portable media players. - Industrial equipment and instrumentation. - Automotive electronics. - Communication systems. - Consumer electronics.

Detailed and Complete Alternative Models

1. S-1172B18-U5T1U: Similar specifications but with an adjustable output voltage feature.
2. S-1172B16-U5T1U: Lower dropout voltage and higher output current capability.
3. S-1172B19-U5T1U: Higher input voltage range and wider operating temperature range.

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