BU45K432G-TL

Product Overview

Category: Integrated Circuit (IC)

Use: The BU45K432G-TL is a high-performance voltage regulator IC designed for use in various electronic devices. It provides stable and regulated power supply to ensure proper functioning of the connected components.

Characteristics: - High efficiency - Low dropout voltage - Wide input voltage range - Overcurrent protection - Thermal shutdown protection

Package: The BU45K432G-TL is available in a compact surface mount package, making it suitable for space-constrained applications.

Essence: This voltage regulator IC is essential for maintaining a steady and reliable power supply, preventing voltage fluctuations that could potentially damage sensitive electronic components.

Packaging/Quantity: The BU45K432G-TL is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Input Voltage Range: 2.5V - 18V
• Output Voltage Range: 1.2V - 15V
• Output Current: Up to 3A
• Dropout Voltage: 0.3V @ 1A
• Quiescent Current: 75µA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The BU45K432G-TL features a standard pin configuration:

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

Functional Features

• High Efficiency: The BU45K432G-TL utilizes advanced circuitry to achieve high efficiency, minimizing power loss and maximizing battery life.
• Overcurrent Protection: In the event of an excessive load current, the IC automatically shuts down to protect itself and the connected components from damage.
• Thermal Shutdown Protection: If the operating temperature exceeds a certain threshold, the IC enters thermal shutdown mode to prevent overheating and potential failure.

Advantages and Disadvantages

Advantages: - Wide input voltage range allows for versatile applications - Low dropout voltage ensures efficient power conversion - Overcurrent and thermal protection enhance reliability and durability

Disadvantages: - Limited output current may not be suitable for high-power applications - Requires external components for proper operation

Working Principles

The BU45K432G-TL operates based on the principle of voltage regulation. It compares the output voltage with a reference voltage and adjusts the internal circuitry to maintain a stable output voltage, regardless of changes in the input voltage or load conditions.

Detailed Application Field Plans

The BU45K432G-TL finds application in various electronic devices, including but not limited to: 1. Mobile phones 2. Tablets 3. Portable media players 4. Digital cameras 5. Wireless communication devices

Detailed and Complete Alternative Models

1. BU33K432G-TL

   • Similar specifications and features as BU45K432G-TL
   • Lower output current (up to 2A)
   • Suitable for less power-demanding applications

2. BU60K432G-TL

   • Higher output current (up to 5A)
   • Suitable for high-power applications
   • Larger package size

3. BU25K432G-TL

   • Lower input voltage range (1.8V - 12V)
   • Smaller package size
   • Suitable for low-power applications

In conclusion, the BU45K432G-TL is a high-performance voltage regulator IC that offers stability, efficiency, and protection features. Its wide range of applications and availability of alternative models make it a versatile choice for various electronic devices.