S-1172B40-E6T1G

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-1172B40-E6T1G is a voltage regulator IC that provides a stable output voltage for various electronic devices.

Packaging/Quantity: The S-1172B40-E6T1G is typically sold in reels, with 3000 units per reel.

Specifications

• Input Voltage Range: 2.5V to 6.0V
• Output Voltage: 4.0V
• Dropout Voltage: 200mV (typical)
• Output Current: 100mA
• Quiescent Current: 30μA (typical)
• Line Regulation: ±0.2% (typical)
• Load Regulation: ±0.3% (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The S-1172B40-E6T1G has the following pin configuration:

```

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| | --| V IN|-- Pin 1: Input Voltage --|____| | | --| GND|-- Pin 2: Ground --|____| | | --| V OUT|-- Pin 3: Output Voltage --|____| | | --| NC |-- Pin 4: No Connection --|____| | | --| EN |-- Pin 5: Enable Control --|____| ```

Functional Features

• Low dropout voltage ensures stable operation even when the input voltage is close to the output voltage.
• High output voltage accuracy provides precise voltage regulation for sensitive electronic components.
• Low quiescent current minimizes power consumption, making it suitable for battery-powered devices.
• 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: - Reliable voltage regulation - Compact SOT-23-5 package - Wide operating temperature range - Overcurrent and thermal protection features

Disadvantages: - Limited output current capacity (100mA) - Noisy output at high frequencies

Working Principles

The S-1172B40-E6T1G operates as a linear voltage regulator. It takes an input voltage within the specified range and regulates it to a stable 4.0V output voltage. The internal circuitry ensures that the output voltage remains constant even when the input voltage fluctuates or the load changes. The IC achieves this by using feedback control to adjust the pass transistor's resistance, compensating for any variations in the input or load conditions.

Detailed Application Field Plans

The S-1172B40-E6T1G is commonly used in various applications, including but not limited to: - Battery-powered devices - Portable electronics - Industrial equipment - Automotive systems - Communication devices

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the S-1172B40-E6T1G include: - LM1117-4.0 - MCP1700-4002E/TO - LP2985-4.0

These alternatives can be considered based on specific requirements such as package type, input/output voltage range, and additional features.

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