LTC3647EFE-1

Product Overview

Category

LTC3647EFE-1 belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in power management applications.

Characteristics

The LTC3647EFE-1 is known for its high efficiency and versatility. It offers a wide input voltage range and can handle various output voltages, making it suitable for a range of applications.

Package

LTC3647EFE-1 comes in a small form factor package, allowing for easy integration into electronic devices.

Essence

The essence of LTC3647EFE-1 lies in its ability to efficiently regulate power supply voltages, ensuring stable and reliable operation of electronic systems.

Packaging/Quantity

This product is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Input Voltage Range: 2.7V to 20V
• Output Voltage Range: 0.6V to 5.5V
• Maximum Output Current: 4A
• Efficiency: Up to 95%
• Switching Frequency: 2MHz

Detailed Pin Configuration

The LTC3647EFE-1 features a compact pin configuration that facilitates easy integration into circuit designs. The following pins are present:

1. VIN: Input voltage pin
2. GND: Ground pin
3. VOUT: Output voltage pin
4. EN: Enable pin
5. FB: Feedback pin
6. SS: Soft-start pin
7. PG: Power good pin
8. SYNC: Synchronization pin

Functional Features

• Wide input voltage range allows for compatibility with various power sources.
• High efficiency ensures minimal power loss during voltage regulation.
• Adjustable output voltage enables customization for specific application requirements.
• Soft-start feature prevents excessive inrush current during startup.
• Power good indicator provides a signal indicating stable output voltage.

Advantages and Disadvantages

Advantages

• High efficiency results in reduced power consumption.
• Versatile input and output voltage ranges cater to diverse applications.
• Compact package facilitates easy integration into circuit designs.
• Soft-start feature protects components from excessive current during startup.

Disadvantages

• Limited maximum output current may not be suitable for high-power applications.
• Synchronization pin may require additional circuitry for synchronization with other devices.

Working Principles

The LTC3647EFE-1 operates based on a switching regulator topology. It utilizes high-frequency switching to efficiently convert the input voltage to the desired output voltage. The feedback mechanism ensures precise regulation, while the soft-start feature gradually ramps up the output voltage to prevent excessive inrush current.

Detailed Application Field Plans

The LTC3647EFE-1 finds application in various fields, including but not limited to:

1. Portable electronic devices: Provides efficient power management for smartphones, tablets, and wearable devices.
2. Industrial automation: Enables reliable power supply regulation in control systems and sensors.
3. Automotive electronics: Facilitates efficient power conversion in automotive applications such as infotainment systems and lighting modules.
4. Renewable energy systems: Supports voltage regulation in solar panels and wind turbines.

Detailed and Complete Alternative Models

1. LTC3647EFE: Similar to LTC3647EFE-1, but without the enable pin.
2. LTC3647EFE-2: Variant with a higher maximum output current of 6A.
3. LTC3647EFE-3: Variant with extended temperature range for harsh environments.

These alternative models offer similar functionality with slight variations to cater to specific application requirements.

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