S-817B57AUA-CXUT2G

Basic Information Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - Low dropout voltage - Low quiescent current - High ripple rejection ratio - Overcurrent protection - Thermal shutdown protection

Package: SOT-89-5

Essence: The S-817B57AUA-CXUT2G is a voltage regulator IC that provides a stable output voltage from an input voltage source. It is commonly used in electronic devices to regulate and maintain a constant voltage level.

Packaging/Quantity: The S-817B57AUA-CXUT2G is typically packaged in reels or tubes, with a quantity of 3000 units per reel/tube.

Specifications

• Input Voltage Range: 2.0V to 6.0V
• Output Voltage Range: 1.2V to 5.5V
• Dropout Voltage: 0.15V (typical)
• Quiescent Current: 30μA (typical)
• Ripple Rejection Ratio: 70dB (typical)
• Overcurrent Protection: Yes
• Thermal Shutdown Protection: Yes

Detailed Pin Configuration

The S-817B57AUA-CXUT2G has a total of 5 pins:

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 power conversion.
• Low quiescent current minimizes power consumption during standby mode.
• High ripple rejection ratio filters out noise and provides a clean output voltage.
• Overcurrent protection prevents damage to the IC and connected components in case of excessive current flow.
• Thermal shutdown protection shuts down the IC when the temperature exceeds a safe limit, preventing overheating.

Advantages and Disadvantages

Advantages: - Stable output voltage regulation - Low power consumption - Protection features for enhanced reliability - Compact package size

Disadvantages: - Limited input voltage range (2.0V to 6.0V) - Dropout voltage may cause a slight voltage drop across the regulator

Working Principles

The S-817B57AUA-CXUT2G operates based on the principle of a linear voltage regulator. It uses a pass transistor to regulate the output voltage by adjusting the resistance between the input and output terminals. The internal circuitry monitors the input voltage, output voltage, and current flow to ensure stable operation and protect against overcurrent and thermal issues.

Detailed Application Field Plans

The S-817B57AUA-CXUT2G is commonly used in various electronic devices that require a stable voltage supply. Some typical application fields include:

1. Mobile Devices: Smartphones, tablets, portable media players.
2. Consumer Electronics: Digital cameras, portable gaming consoles, MP3 players.
3. Computer Peripherals: USB hubs, external hard drives, printers.
4. Automotive Electronics: Car audio systems, GPS devices, dashboard displays.
5. Industrial Equipment: Measurement instruments, control systems, power supplies.

Detailed and Complete Alternative Models

1. S-817A33ANB-CUPT2G
2. S-817A33ANB-DQPT2G
3. S-817A33ANB-EWQT2G
4. S-817A33ANB-FRJT2G
5. S-817A33ANB-GYJT2G

These alternative models offer similar functionality and characteristics to the S-817B57AUA-CXUT2G and can be used as replacements in various applications.

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