LTC1643AL-1CGN#PBF

Product Overview

Category

The LTC1643AL-1CGN#PBF belongs to the category of integrated circuits (ICs) specifically designed for power management applications.

Use

This product is commonly used in various electronic devices and systems to regulate and control power supply voltages efficiently.

Characteristics

• High efficiency power management
• Low quiescent current consumption
• Wide input voltage range
• Multiple output channels
• Overcurrent protection
• Thermal shutdown protection

Package

The LTC1643AL-1CGN#PBF is available in a compact 16-pin SSOP package, which ensures easy integration into circuit boards.

Essence

The essence of the LTC1643AL-1CGN#PBF lies in its ability to provide reliable and efficient power management solutions for electronic devices.

Packaging/Quantity

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

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: Adjustable from 0.6V to VIN
• Number of Outputs: 4
• Maximum Output Current: 500mA per channel
• Quiescent Current: 40µA (typical)
• Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The LTC1643AL-1CGN#PBF features a 16-pin SSOP package with the following pin configuration:

1. VIN: Input Voltage
2. GND: Ground
3. VOUT1: Output Channel 1
4. VOUT2: Output Channel 2
5. VOUT3: Output Channel 3
6. VOUT4: Output Channel 4
7. FB1: Feedback Input Channel 1
8. FB2: Feedback Input Channel 2
9. FB3: Feedback Input Channel 3
10. FB4: Feedback Input Channel 4
11. EN1: Enable Input Channel 1
12. EN2: Enable Input Channel 2
13. EN3: Enable Input Channel 3
14. EN4: Enable Input Channel 4
15. PG: Power Good Output
16. VCC: Supply Voltage

Functional Features

• Efficient voltage regulation for multiple output channels
• Overcurrent protection to prevent damage to the circuit and connected devices
• Thermal shutdown protection to prevent overheating
• Adjustable output voltage range for flexibility in different applications
• Low quiescent current consumption for power efficiency

Advantages and Disadvantages

Advantages

• High efficiency power management
• Wide input voltage range allows compatibility with various power sources
• Multiple output channels for versatile applications
• Overcurrent and thermal shutdown protection enhance reliability
• Compact package for easy integration into circuit boards

Disadvantages

• Limited maximum output current per channel (500mA)

Working Principles

The LTC1643AL-1CGN#PBF operates based on a switching regulator topology. It utilizes an internal control loop to regulate the output voltages according to the feedback signals received from the feedback inputs (FB1-FB4). The enable inputs (EN1-EN4) allow individual control of each output channel. The device also incorporates overcurrent protection and thermal shutdown mechanisms to ensure safe operation.

Detailed Application Field Plans

The LTC1643AL-1CGN#PBF finds extensive application in various electronic devices and systems, including but not limited to: - Portable electronic devices (e.g., smartphones, tablets) - Industrial automation systems - Automotive electronics - Medical equipment - Consumer electronics

Detailed and Complete Alternative Models

1. LTC1643-1CGN#PBF
2. LTC1643B-1CGN#PBF
3. LTC1643C-1CGN#PBF
4. LTC1643D-1CGN#PBF
5. LTC1643E-1CGN#PBF

These alternative models offer similar functionality and characteristics, providing users with options based on specific requirements.

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