S-1172B48-U5T1G

Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

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

Package: SOT-23-5

Essence: The S-1172B48-U5T1G is a voltage regulator IC that provides a stable output voltage for various electronic devices.

Packaging/Quantity: The S-1172B48-U5T1G is available in a SOT-23-5 package. It is typically sold in reels of 3,000 units.

Specifications

• Input Voltage Range: 2.0V to 6.0V
• Output Voltage: 4.8V
• Dropout Voltage: 200mV (typical)
• Quiescent Current: 30μA (typical)
• Output Current: 100mA (maximum)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The S-1172B48-U5T1G has the following pin configuration:

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

Functional Features

• Low Dropout Voltage: The S-1172B48-U5T1G has a low dropout voltage, allowing it to regulate the output voltage even when the input voltage is close to the desired output voltage.
• High Output Voltage Accuracy: This voltage regulator provides a high level of accuracy in maintaining the output voltage at the specified value.
• Low Quiescent Current: The quiescent current of the S-1172B48-U5T1G is very low, minimizing power consumption when the device is in standby or idle mode.
• Thermal Shutdown Protection: The IC includes a thermal shutdown feature that protects it from overheating by shutting down the output when the temperature exceeds a certain threshold.
• Overcurrent Protection: The S-1172B48-U5T1G incorporates overcurrent protection to prevent damage to the IC and connected devices in case of excessive current flow.

Advantages and Disadvantages

Advantages: - Low dropout voltage ensures stable output even with low input voltage. - High output voltage accuracy guarantees precise voltage regulation. - Low quiescent current reduces power consumption. - Thermal shutdown protection prevents overheating. - Overcurrent protection safeguards the IC and connected devices.

Disadvantages: - Limited output current capacity (maximum 100mA). - Restricted input voltage range (2.0V to 6.0V).

Working Principles

The S-1172B48-U5T1G operates as a linear voltage regulator. It uses a reference voltage and feedback mechanism to maintain a constant output voltage regardless of variations in the input voltage or load conditions. When the input voltage is within the specified range, the IC regulates the output voltage to the desired value by adjusting the internal circuitry.

Detailed Application Field Plans

The S-1172B48-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 speakers.
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: Voltage regulator with an output voltage of 3.3V.
2. S-1172B50-U5T1G: Voltage regulator with an output voltage of 5.0V.
3. S-1172B12-U5T1G: Voltage regulator with an output voltage of 1.2V.

These alternative models offer different output voltages to suit specific application requirements while sharing similar characteristics and features with the S-1172B48-U5T1G.

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