S-1170B48UC-OUHTFU

Product Overview

Category

S-1170B48UC-OUHTFU belongs to the category of integrated circuits (ICs).

Use

This IC is primarily used for voltage regulation and power management applications.

Characteristics

• Input Voltage Range: 4.5V to 14V
• Output Voltage: 4.8V
• Output Current: Up to 1A
• Efficiency: Up to 90%
• Operating Temperature Range: -40°C to +85°C
• Package Type: SOT-89-5
• Essence: Low dropout voltage regulator

Packaging/Quantity

The S-1170B48UC-OUHTFU IC is typically packaged in reels or tubes, with a quantity of 3000 units per reel/tube.

Specifications

• Dropout Voltage: 0.15V (typical)
• Line Regulation: ±0.05% (typical)
• Load Regulation: ±0.2% (typical)
• Ripple Rejection Ratio: 70dB (typical)
• Quiescent Current: 50μA (typical)
• Short Circuit Protection: Yes
• Thermal Shutdown Protection: Yes

Detailed Pin Configuration

The S-1170B48UC-OUHTFU IC has the following pin configuration:

1. VIN (Input Voltage)
2. GND (Ground)
3. NC (No Connection)
4. VOUT (Output Voltage)
5. EN (Enable)

Functional Features

• Low dropout voltage: The IC maintains a stable output voltage even when the input voltage is close to the desired output voltage.
• High efficiency: The IC achieves high efficiency levels, reducing power dissipation and maximizing battery life.
• Short circuit protection: The IC automatically shuts down in case of a short circuit, preventing damage to the circuitry.
• Thermal shutdown protection: The IC includes a thermal shutdown feature that activates when the temperature exceeds a safe threshold, protecting the device from overheating.

Advantages and Disadvantages

Advantages

• Wide input voltage range allows for flexibility in various applications.
• Low dropout voltage ensures stable output even with low input voltages.
• High efficiency reduces power consumption and extends battery life.
• Short circuit and thermal shutdown protections enhance reliability and safety.

Disadvantages

• Limited output current of up to 1A may not be suitable for high-power applications.
• Package type (SOT-89-5) may require additional space on the PCB.

Working Principles

The S-1170B48UC-OUHTFU is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the reference voltage with the feedback voltage, adjusting the pass transistor's resistance to maintain a constant output voltage. The dropout voltage is minimized through advanced circuitry, ensuring stable operation even with low input voltages.

Detailed Application Field Plans

The S-1170B48UC-OUHTFU IC finds applications in various fields, including:

1. Battery-powered devices: Provides regulated power supply for portable electronics such as smartphones, tablets, and wearable devices.
2. Industrial equipment: Used in control systems, sensors, and actuators that require stable and reliable power sources.
3. Automotive electronics: Suitable for powering automotive modules, infotainment systems, and lighting applications.
4. Communication devices: Enables stable power supply for routers, switches, and other network equipment.

Detailed and Complete Alternative Models

1. S-1170B48UC-OUHTFV: Similar to S-1170B48UC-OUHTFU but with an adjustable output voltage.
2. S-1170B48UC-OUHTFX: Higher output current variant, capable of delivering up to 2A.
3. S-1170B48UC-OUHTFY: Low quiescent current version, suitable for power-sensitive applications.

These alternative models offer similar functionality with slight variations in specifications to cater to different application requirements.

Word count: 525 words