LT3952EFE#PBF

Product Overview

Category

The LT3952EFE#PBF belongs to the category of integrated circuits (ICs) specifically designed for power management applications.

Use

This IC is primarily used for controlling and regulating the power supply in various electronic devices. It provides efficient power conversion and management capabilities.

Characteristics

• High efficiency power management
• Wide input voltage range
• Multiple output channels
• Programmable features
• Protection mechanisms against overvoltage, overcurrent, and overheating

Package

The LT3952EFE#PBF is available in a small form factor package, making it suitable for space-constrained applications. The package type is FET-8E.

Essence

The essence of LT3952EFE#PBF lies in its ability to efficiently manage power supply, ensuring stable and reliable operation of electronic devices.

Packaging/Quantity

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

Specifications

• Input Voltage Range: 4V to 36V
• Output Voltage Range: 0.6V to 34V
• Maximum Output Current: 3A
• Switching Frequency: Up to 1MHz
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The LT3952EFE#PBF has a total of 16 pins. The pin configuration is as follows:

1. VIN: Input voltage pin
2. GND: Ground pin
3. VOUT1: Output voltage pin 1
4. VOUT2: Output voltage pin 2
5. VOUT3: Output voltage pin 3
6. VOUT4: Output voltage pin 4
7. VOUT5: Output voltage pin 5
8. VOUT6: Output voltage pin 6
9. VOUT7: Output voltage pin 7
10. VOUT8: Output voltage pin 8
11. FB1: Feedback pin 1
12. FB2: Feedback pin 2
13. FB3: Feedback pin 3
14. FB4: Feedback pin 4
15. FB5: Feedback pin 5
16. SYNC: Synchronization pin

Functional Features

• High-efficiency step-down power conversion
• Multiple programmable output channels
• Adjustable output voltage levels
• Current limit protection
• Thermal shutdown protection
• Soft-start functionality for controlled power-up

Advantages and Disadvantages

Advantages

• High efficiency leads to reduced power consumption
• Wide input voltage range allows compatibility with various power sources
• Multiple output channels enable powering multiple components simultaneously
• Programmable features provide flexibility in power management
• Protection mechanisms ensure device safety and longevity

Disadvantages

• Limited maximum output current may not be suitable for high-power applications
• Higher switching frequency may introduce electromagnetic interference (EMI) concerns

Working Principles

The LT3952EFE#PBF operates on the principle of pulse width modulation (PWM). It regulates the output voltage by adjusting the duty cycle of the switching signal. This control mechanism ensures efficient power transfer from the input to the output, minimizing power losses.

Detailed Application Field Plans

The LT3952EFE#PBF finds applications in various fields, including:

1. Industrial automation systems
2. Automotive electronics
3. LED lighting solutions
4. Portable electronic devices
5. Telecommunications equipment
6. Power supply modules

In these fields, the IC is used to regulate and manage power supply, ensuring stable operation and optimal performance of the respective devices.

Detailed and Complete Alternative Models

1. LT3952EFE#TRPBF: Similar to LT3952EFE#PBF, but available in tape and reel packaging.
2. LT3952IFE#PBF: A variant with a different package type (FET-16E) and higher maximum output current (5A).
3. LT3952HFE#PBF: Another variant with a different package type (FET-8E) and extended operating temperature range (-40°C to 150°C).

These alternative models offer similar functionality and can be considered as substitutes for the LT3952EFE#PBF based on specific application requirements.

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