S-1172B25-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-1172B25-U5T1U is a voltage regulator IC that provides a stable output voltage with low dropout voltage. It is commonly used in various electronic devices to regulate and stabilize the voltage supply.

Packaging/Quantity: The S-1172B25-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 - 5.0V
• Dropout Voltage: 200mV @ 100mA
• Quiescent Current: 40μA
• Output Current: 100mA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The S-1172B25-U5T1U has a total of five pins arranged as follows:

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Pin 1: VIN (Input Voltage) Pin 2: GND (Ground) Pin 3: NC (No Connection) Pin 4: VOUT (Output Voltage) Pin 5: CE (Control Enable)

Functional Features

• Low dropout voltage ensures efficient power conversion even when the input voltage is close to the desired output voltage.
• High output voltage accuracy provides a stable and reliable power supply for sensitive electronic components.
• Low quiescent current minimizes power consumption when the load is light or idle.
• 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: - High output voltage accuracy ensures reliable performance. - Low dropout voltage allows for efficient power conversion. - Overcurrent and thermal shutdown protections enhance safety and durability.

Disadvantages: - Limited output current of 100mA may not be suitable for high-power applications. - No adjustable output voltage option available.

Working Principles

The S-1172B25-U5T1U operates as a linear voltage regulator. It regulates the input voltage to provide a stable output voltage, even when the input voltage fluctuates. The internal circuitry of the IC adjusts the voltage difference between the input and output to maintain a constant output voltage within the specified range.

Detailed Application Field Plans

The S-1172B25-U5T1U finds applications in various electronic devices where a stable and regulated power supply is required. Some common application fields include:

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

Detailed and Complete Alternative Models

1. S-1172B33-U5T1U
2. S-1172B12-U5T1U
3. S-1172B50-U5T1U
4. S-1172B18-U5T1U
5. S-1172B15-U5T1U

These alternative models offer similar functionality and characteristics to the S-1172B25-U5T1U, but with different output voltage options.

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