S-1172A1F-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-1172A1F-U5T1U is a voltage regulator IC that provides a stable output voltage with low dropout. It is commonly used in various electronic devices to regulate and stabilize the voltage supply.

Packaging/Quantity: The S-1172A1F-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-1172A1F-U5T1U has a total of 5 pins:

1. VIN: Input Voltage Pin
2. GND: Ground Pin
3. VOUT: Output Voltage Pin
4. CE: Chip Enable Pin
5. NC: No Connection Pin

Functional Features

• Low dropout voltage ensures efficient regulation even when the input voltage is close to the desired output voltage.
• High output voltage accuracy provides precise voltage regulation for sensitive electronic components.
• Low quiescent current minimizes power consumption during standby or idle modes.
• Overcurrent protection safeguards the IC and connected devices from excessive current flow.
• Thermal shutdown protection prevents overheating and potential damage to the IC.

Advantages

• Reliable voltage regulation with low dropout voltage.
• High output voltage accuracy ensures stable performance of connected devices.
• Low quiescent current helps conserve power in battery-operated applications.
• Overcurrent protection enhances the safety and durability of the IC.
• Thermal shutdown protection prevents damage due to excessive heat.

Disadvantages

• Limited output current capacity (100mA) may not be suitable for high-power applications.
• Restricted input voltage range (2.5V - 6.0V) may limit compatibility with certain systems.

Working Principles

The S-1172A1F-U5T1U utilizes a combination of internal circuitry, including a voltage reference, error amplifier, and pass transistor, to regulate the output voltage. When the input voltage is within the specified range, the IC adjusts the pass transistor to maintain a stable output voltage, compensating for any variations in the input voltage or load conditions.

Detailed Application Field Plans

The S-1172A1F-U5T1U finds application in various electronic devices that require stable voltage regulation, such as: - Mobile phones - Portable media players - Digital cameras - Wireless communication devices - Battery-powered devices - Industrial control systems

Detailed and Complete Alternative Models

1. S-1172B1R-U5T1U
2. S-1172C1R-U5T1U
3. S-1172D1R-U5T1U
4. S-1172E1R-U5T1U
5. S-1172F1R-U5T1U

These alternative models offer similar voltage regulation capabilities with slight variations in specifications and package types.

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