S-1172B29-U5T1G

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-23-5

Essence: The S-1172B29-U5T1G is a voltage regulator IC designed to provide a stable output voltage for various electronic devices.

Packaging/Quantity: The S-1172B29-U5T1G is typically packaged in reels containing 3000 units.

Specifications

• Input Voltage Range: 2.0V - 6.0V
• Output Voltage Range: 1.2V - 5.5V
• Dropout Voltage: 200mV @ 100mA
• Quiescent Current: 30μA
• Output Current: 100mA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The S-1172B29-U5T1G has the following pin configuration:

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

Functional Features

• Low dropout voltage ensures efficient power conversion even with small input-output voltage differentials.
• High output voltage accuracy provides a stable and reliable power supply for sensitive electronic components.
• Low quiescent current minimizes power consumption when the device is in standby mode.
• 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: - Compact SOT-23-5 package allows for space-efficient integration into various electronic devices. - Wide input voltage range enables compatibility with different power sources. - Excellent output voltage accuracy ensures reliable performance of connected components. - Low quiescent current extends battery life in portable applications.

Disadvantages: - Limited output current of 100mA may not be sufficient for high-power applications. - Dropout voltage of 200mV may result in slightly reduced efficiency compared to other voltage regulators.

Working Principles

The S-1172B29-U5T1G 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 compensate for changes in input voltage and load conditions, ensuring a stable output voltage.

Detailed Application Field Plans

The S-1172B29-U5T1G is commonly used in various electronic devices that require a stable and regulated power supply. Some typical application fields include:

1. Mobile Devices: Smartphones, tablets, portable media players.
2. Wireless Communication Systems: Bluetooth headsets, wireless routers.
3. Consumer Electronics: Digital cameras, portable gaming consoles.
4. Industrial Equipment: Sensors, control systems, measurement devices.
5. Automotive Electronics: Infotainment systems, navigation units, dashboard displays.

Detailed and Complete Alternative Models

1. S-1172B33-U5T1G
2. S-1172B25-U5T1G
3. S-1172B28-U5T1G
4. S-1172B30-U5T1G
5. S-1172B27-U5T1G

These alternative models offer similar functionality and characteristics to the S-1172B29-U5T1G, providing flexibility in design and component selection.

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