S-1172B16-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-1172B16-U5T1U is a voltage regulator IC that provides a stable output voltage with low dropout. It is commonly used in various electronic devices to regulate and maintain a constant voltage level.

Packaging/Quantity: The S-1172B16-U5T1U is typically packaged in reels or tubes, with a quantity of 3000 units per reel/tube.

Specifications

• Input Voltage Range: 2.5V - 6.0V
• Output Voltage Range: 1.2V - 5.5V
• Dropout Voltage: 200mV @ 100mA
• Quiescent Current: 40µA
• Output Current: 100mA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The S-1172B16-U5T1U has the following pin configuration:

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

Functional Features

• Low dropout voltage ensures efficient regulation even when the input voltage is close to the desired output voltage.
• High output voltage accuracy provides precise voltage regulation for sensitive electronic components.
• Low quiescent current minimizes power consumption when the load is light.
• 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: - Stable output voltage regulation - Low dropout voltage - High output voltage accuracy - Overcurrent and thermal protection - Low quiescent current for power efficiency

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

Working Principles

The S-1172B16-U5T1U operates as a linear voltage regulator. It compares the output voltage with a reference voltage and adjusts the internal circuitry to maintain a stable output voltage. The dropout voltage is minimized by utilizing a low resistance pass transistor. The overcurrent protection feature monitors the output current and shuts down the regulator if it exceeds the specified limit. Similarly, the thermal shutdown protection activates when the temperature reaches a critical level, preventing damage to the IC.

Detailed Application Field Plans

The S-1172B16-U5T1U finds applications in various electronic devices that require stable voltage regulation. Some common application fields include:

1. Mobile Devices: Smartphones, tablets, portable media players.
2. Consumer Electronics: Digital cameras, portable gaming consoles, MP3 players.
3. Computer Peripherals: USB hubs, external hard drives, wireless adapters.
4. Industrial Equipment: Sensors, control systems, measurement instruments.
5. Automotive Electronics: Infotainment systems, navigation devices, dashboard displays.

Detailed and Complete Alternative Models

1. S-1172B16-M5T1U
2. S-1172B16-U5T2U
3. S-1172B16-U5T3U
4. S-1172B16-U5T4U
5. S-1172B16-U5T5U

These alternative models offer similar functionality and characteristics to the S-1172B16-U5T1U, providing options for different voltage requirements and package types.

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