S-1172B28-E6T1U

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics:
  • Low dropout voltage
  • High output voltage accuracy
  • Low quiescent current
  • Small package size
• Package: SOT-23-5
• Essence: Voltage regulation for electronic devices
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Input Voltage Range: 2.0V to 6.0V
• Output Voltage Range: 1.2V to 5.5V
• Dropout Voltage: 200mV (typical) at 100mA load current
• Output Current: 100mA (maximum)
• Quiescent Current: 30μA (typical)
• Line Regulation: ±0.05% (typical)
• Load Regulation: ±0.3% (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The S-1172B28-E6T1U has a total of five pins arranged as follows:

```

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| | --| Vout | --| GND | --| NC | --| Vin | |___________| ```

• Vout: Output voltage pin
• GND: Ground pin
• NC: No connection pin
• Vin: Input voltage pin

Functional Features

• Low dropout voltage ensures stable output even with low input voltage.
• High output voltage accuracy provides precise voltage regulation.
• Low quiescent current minimizes power consumption in standby mode.
• Small package size allows for space-saving integration into compact designs.

Advantages

• Reliable voltage regulation for electronic devices.
• Suitable for battery-powered applications due to low dropout voltage.
• High output voltage accuracy ensures consistent performance.
• Low quiescent current prolongs battery life.
• Compact package size enables versatile integration.

Disadvantages

• Limited output current of 100mA may not be sufficient for high-power applications.
• Input voltage range of 2.0V to 6.0V may not cover all potential use cases.

Working Principles

The S-1172B28-E6T1U is a linear voltage regulator that operates by maintaining a constant output voltage regardless of variations in the input voltage or load conditions. It achieves this through a feedback mechanism that adjusts the internal pass transistor to regulate the output voltage within the specified range.

Detailed Application Field Plans

The S-1172B28-E6T1U finds application in various electronic devices and systems, including but not limited to: - Portable consumer electronics - Battery-powered devices - IoT (Internet of Things) devices - Wearable technology - Embedded systems

Detailed and Complete Alternative Models

• S-1172B33-E6T1U: Similar voltage regulator with a higher output voltage range (3.3V to 5.5V).
• S-1172B18-E6T1U: Similar voltage regulator with a lower output voltage range (1.8V to 5.5V).
• S-1172B12-E6T1U: Similar voltage regulator with a lower output voltage range (1.2V to 5.5V).
• S-1172B50-E6T1U: Similar voltage regulator with a higher output voltage range (5.0V to 5.5V).

These alternative models provide flexibility in choosing the appropriate voltage regulator based on specific application requirements.

In conclusion, the S-1172B28-E6T1U is a voltage regulator IC that offers low dropout voltage, high output voltage accuracy, and low quiescent current. It is suitable for various electronic devices and systems, particularly those powered by batteries. While it has limitations in terms of output current and input voltage range, there are alternative models available to cater to different voltage requirements.