S-1172B26-U5T1U

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: Low Dropout, High Output Current, Small Package Size
• Package: SOT-23-5
• Essence: Regulates input voltage to a stable output voltage
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Input Voltage Range: 2.5V to 6.0V
• Output Voltage Range: 1.2V to 5.5V
• Output Current: Up to 500mA
• Dropout Voltage: 200mV typical at 100mA load
• Quiescent Current: 75µA typical
• Line Regulation: ±0.05% typical
• Load Regulation: ±0.3% typical
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The S-1172B26-U5T1U has a total of five pins arranged as follows: 1. VIN: Input voltage pin 2. GND: Ground pin 3. CE: Chip enable pin 4. VOUT: Output voltage pin 5. NC: No connection pin

Functional Features

• Low dropout voltage ensures efficient regulation even with small input-output voltage differentials.
• High output current capability allows for powering a wide range of devices.
• Small package size (SOT-23-5) enables space-saving designs in compact electronic applications.
• Built-in overcurrent protection safeguards the IC and connected components.

Advantages

• Wide input voltage range provides flexibility in various power supply applications.
• Excellent line and load regulation ensures stable output voltage under varying conditions.
• Low quiescent current minimizes power consumption, making it suitable for battery-powered devices.
• Fast transient response enables quick recovery from load changes.

Disadvantages

• Limited output current may not be sufficient for high-power applications.
• Dropout voltage may cause a significant power loss in low input voltage scenarios.
• Temperature limitations restrict its use in extreme operating conditions.

Working Principles

The S-1172B26-U5T1U is a linear voltage regulator that utilizes a pass transistor to regulate the output voltage. It compares the reference voltage with the feedback voltage and adjusts the pass transistor's resistance accordingly to maintain a stable output voltage.

Detailed Application Field Plans

The S-1172B26-U5T1U finds applications in various electronic devices, including but not limited to: - Portable consumer electronics (e.g., smartphones, tablets) - Battery-powered devices (e.g., wearables, IoT devices) - Industrial control systems - Automotive electronics - Communication equipment

Detailed and Complete Alternative Models

1. S-1172B33-U5T1U: Similar specifications, but with a higher output voltage range (up to 3.3V).
2. S-1172B12-U5T1U: Similar specifications, but with a lower output voltage range (down to 1.2V).
3. S-1172B50-U5T1U: Similar specifications, but with a higher output voltage range (up to 5.0V).

These alternative models provide options for different output voltage requirements while maintaining similar characteristics and package sizes.

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