X5649S14-4.5A

Basic Information Overview

Category: Electronic Component
Use: Power Supply
Characteristics: High Efficiency, Low Power Consumption
Package: SMD (Surface Mount Device)
Essence: Voltage Regulator
Packaging/Quantity: Tape and Reel / 1000 pieces per reel

Specifications

• Input Voltage: 4.5V
• Output Voltage: Adjustable from 1.2V to 3.6V
• Output Current: Up to 4.5A
• Efficiency: >90%
• Operating Temperature Range: -40°C to +85°C
• Package Type: SMD-8

Detailed Pin Configuration

The X5649S14-4.5A has the following pin configuration:

1. VIN (Input Voltage)
2. GND (Ground)
3. EN (Enable)
4. FB (Feedback)
5. VOUT (Output Voltage)
6. COMP (Compensation)
7. PG (Power Good)
8. SS (Soft Start)

Functional Features

• Wide input voltage range for compatibility with various power sources.
• Adjustable output voltage allows flexibility in different applications.
• High efficiency and low power consumption for energy-saving operation.
• Overcurrent protection ensures safe operation under heavy loads.
• Soft start function prevents excessive inrush current during startup.
• Power good indicator provides visual feedback on the output status.

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power wastage. - Wide input voltage range enhances versatility. - Adjustable output voltage accommodates different requirements. - Overcurrent protection ensures safety. - Soft start function prevents damage during startup.

Disadvantages: - Limited output current may not be suitable for high-power applications. - SMD package requires surface mount soldering expertise.

Working Principles

The X5649S14-4.5A is a voltage regulator that converts the input voltage to a stable and adjustable output voltage. It utilizes a feedback mechanism to maintain the desired output voltage by adjusting the duty cycle of an internal switching transistor. The compensation pin allows fine-tuning of the control loop for optimal performance. The soft start feature gradually ramps up the output voltage to prevent excessive inrush current during startup.

Detailed Application Field Plans

The X5649S14-4.5A is commonly used in various electronic devices and systems, including:

1. Mobile devices: Smartphones, tablets, portable media players.
2. Computer peripherals: USB hubs, external hard drives, printers.
3. Industrial equipment: Motor controllers, LED lighting systems, power supplies.
4. Automotive electronics: Infotainment systems, navigation units, dashboard displays.
5. Consumer electronics: Set-top boxes, gaming consoles, audio amplifiers.

Detailed and Complete Alternative Models

1. X5649S12-3.3A: Similar to X5649S14-4.5A but with a fixed output voltage of 3.3V and lower output current capability.
2. X5649S15-5A: Similar to X5649S14-4.5A but with a higher output voltage of 5V and higher output current capability.
3. X5649S10-2A: Similar to X5649S14-4.5A but with a lower output voltage of 2V and lower output current capability.

These alternative models provide options for different voltage and current requirements in various applications.

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