S-1172B35-U5T1G

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: Low Dropout, High Accuracy, Low Quiescent Current
• Package: SOT-23-5
• Essence: Linear Voltage Regulator
• Packaging/Quantity: Tape and Reel, 3000 pieces per reel

Specifications

• Input Voltage Range: 2.5V to 6.0V
• Output Voltage Range: 1.2V to 5.5V
• Dropout Voltage: 200mV (typical) at 100mA load current
• Output Current: 150mA (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-1172B35-U5T1G has a total of five pins arranged in the following configuration: 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 stable output even with low input voltage.
• High accuracy provides precise output voltage regulation.
• Low quiescent current minimizes power consumption during standby mode.
• Built-in overcurrent protection safeguards the circuit from excessive current.
• Thermal shutdown protection prevents damage due to overheating.

Advantages

• Wide input voltage range allows for versatile applications.
• Small package size enables space-saving designs.
• Excellent line and load regulation ensure stable performance.
• Low quiescent current prolongs battery life in portable devices.
• Robust protection features enhance reliability.

Disadvantages

• Limited output current may not be suitable for high-power applications.
• Dropout voltage may cause a slight decrease in efficiency.
• Operating temperature range may restrict usage in extreme environments.

Working Principles

The S-1172B35-U5T1G is a linear voltage regulator that maintains a constant output voltage regardless of input voltage fluctuations. It utilizes a pass transistor to regulate the output voltage by adjusting the resistance between the input and output terminals. The internal circuitry monitors the input and output voltages, continuously adjusting the pass transistor to maintain the desired output voltage.

Detailed Application Field Plans

The S-1172B35-U5T1G is widely used in various electronic devices and systems, including: - Battery-powered devices such as smartphones, tablets, and portable media players. - Industrial control systems and automation equipment. - Automotive electronics, including infotainment systems and engine control units. - Communication devices like routers, modems, and wireless access points. - Consumer electronics such as digital cameras, gaming consoles, and audio amplifiers.

Detailed and Complete Alternative Models

• S-1172B33-U5T1G: Similar specifications but with a lower output voltage range (1.2V to 3.3V).
• S-1172B50-U5T1G: Similar specifications but with a higher output voltage range (1.2V to 5.0V).
• S-1172B12-U5T1G: Similar specifications but with a lower output current (100mA maximum).

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