S-1172B47-U5T1U

Basic Information Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - Low dropout voltage - High output voltage accuracy - Low quiescent current - Overcurrent protection - Thermal shutdown protection

Package: SOT-89-5

Essence: The S-1172B47-U5T1U is a voltage regulator IC that provides a stable output voltage for various electronic devices.

Packaging/Quantity: The S-1172B47-U5T1U is typically sold in reels containing 3000 units.

Specifications

• Input Voltage Range: 2.5V to 6.0V
• Output Voltage Range: 1.8V to 5.0V
• Dropout Voltage: 200mV (typical)
• Output Current: 100mA (maximum)
• Quiescent Current: 40µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The S-1172B47-U5T1U has the following pin configuration:

1. VIN: Input Voltage
2. GND: Ground
3. CE: Chip Enable
4. VOUT: Output Voltage
5. NC: No Connection

Functional Features

• Low dropout voltage ensures stable operation even with small input-output voltage differentials.
• High output voltage accuracy provides precise voltage regulation for sensitive electronic components.
• Low quiescent current minimizes power consumption, making it suitable for battery-powered applications.
• Overcurrent protection safeguards the IC and connected devices from excessive current flow.
• Thermal shutdown protection prevents overheating and potential damage to the IC.

Advantages and Disadvantages

Advantages: - Reliable voltage regulation - Low power consumption - Compact package size - Overcurrent and thermal protection

Disadvantages: - Limited output current capacity (100mA maximum) - Restricted input voltage range (2.5V to 6.0V)

Working Principles

The S-1172B47-U5T1U operates as a linear voltage regulator. It regulates the output voltage by maintaining a constant voltage drop across its internal pass transistor. The feedback mechanism continuously adjusts the pass transistor's resistance to ensure the desired output voltage is maintained, regardless of input voltage variations.

Detailed Application Field Plans

The S-1172B47-U5T1U is commonly used in various electronic devices that require stable voltage supply, such as: - Mobile phones - Portable media players - Digital cameras - Wireless communication modules - Battery-powered devices

Detailed and Complete Alternative Models

1. S-1172B33-U5T1U: Voltage regulator with an output voltage range of 1.8V to 3.3V.
2. S-1172B50-U5T1U: Voltage regulator with an output voltage range of 1.8V to 5.0V and higher output current capacity (150mA maximum).
3. S-1172B18-U5T1U: Voltage regulator with an output voltage range of 1.8V to 1.8V and lower quiescent current (20µA typical).

These alternative models offer different output voltage ranges and may have varying specifications to suit specific application requirements.

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