S-1172B30-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-1172B30-U5T1U is a voltage regulator IC that provides a stable output voltage for various electronic devices.

Packaging/Quantity: The S-1172B30-U5T1U is typically sold in reels containing 3000 units.

Specifications

• Input Voltage Range: 2.5V to 6.0V
• Output Voltage: 3.0V
• Output Current: Up to 500mA
• Dropout Voltage: 200mV (typical)
• Quiescent Current: 45µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The S-1172B30-U5T1U 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 stable operation even with small input-output voltage differentials.
• High output voltage accuracy guarantees precise voltage regulation.
• Low quiescent current minimizes power consumption during standby or idle modes.
• Overcurrent protection safeguards the IC and connected devices from excessive current flow.
• Thermal shutdown protection prevents overheating by disabling the IC when the temperature exceeds a certain threshold.

Advantages and Disadvantages

Advantages: - Reliable voltage regulation - Low power consumption - Compact package size - Built-in protection features

Disadvantages: - Limited output current capacity - Restricted input voltage range

Working Principles

The S-1172B30-U5T1U operates as a linear voltage regulator. It regulates the output voltage by adjusting the resistance between the input and output terminals, thereby maintaining a constant voltage level despite variations in the input voltage or load conditions. The internal circuitry of the IC ensures stable operation and protects against potential issues such as overcurrent and thermal overload.

Detailed Application Field Plans

The S-1172B30-U5T1U is commonly used in various electronic devices that require a stable 3.0V power supply. Some typical application fields include:

1. Mobile devices (smartphones, tablets, portable media players)
2. Wireless communication systems
3. Battery-powered devices
4. Industrial control systems
5. Automotive electronics

Detailed and Complete Alternative Models

1. S-1172B33-U5T1U: Voltage regulator with an output voltage of 3.3V.
2. S-1172B25-U5T1U: Voltage regulator with an output voltage of 2.5V.
3. S-1172B50-U5T1U: Voltage regulator with an output voltage of 5.0V.

These alternative models offer different output voltage options to suit specific application requirements.

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