LT3753EFE#PBF

Product Overview

Category

The LT3753EFE#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 power in various electronic systems. It provides efficient power conversion and management capabilities.

Characteristics

• High efficiency power management
• Wide input voltage range
• Adjustable output voltage
• Current mode control
• Protection features (overvoltage, overcurrent, and thermal shutdown)
• Compact and versatile design

Package

The LT3753EFE#PBF is available in a small form factor package, which ensures easy integration into different electronic devices. The package type is LQFP (Low Profile Quad Flat Package).

Essence

The essence of LT3753EFE#PBF lies in its ability to efficiently manage power by converting and regulating voltages, ensuring optimal performance and reliability in electronic systems.

Packaging/Quantity

This IC is typically packaged in reels or tubes, depending on the manufacturer's specifications. The quantity per reel/tube may vary, but it is commonly available in quantities of 250 or 1000 units.

Specifications

• Input Voltage Range: 4.5V to 100V
• Output Voltage Range: 0.8V to 60V
• Maximum Switching Frequency: 500kHz
• Operating Temperature Range: -40°C to 125°C
• Package Type: LQFP
• Pin Count: 28

Detailed Pin Configuration

1. VIN: Input voltage pin
2. GND: Ground reference pin
3. VCC: Power supply pin for internal circuitry
4. FB: Feedback pin for output voltage regulation
5. COMP: Compensation pin for stability control
6. SS: Soft-start pin for gradual power-up
7. SYNC: Synchronization pin for external clock input
8. RT/CLKOUT: Resistor timing or clock output pin
9. CLKIN: Clock input pin
10. SW: Switching node pin for power conversion
11. BST: Boost capacitor connection pin
12. VCCSENSE: Voltage sensing pin for VCC monitoring
13. VCCADJ: Voltage adjustment pin for VCC regulation
14. GATE: Gate driver output pin
15. PGND: Power ground reference pin
16. AGND: Analog ground reference pin
17. SS/TRK: Soft-start/tracking control pin
18. OVLO: Overvoltage lockout pin
19. UVLO: Undervoltage lockout pin
20. OCSET: Overcurrent protection threshold setting pin
21. TSD: Thermal shutdown pin
22. PGOOD: Power good indicator pin
23. ADJ: Output voltage adjustment pin
24. VOUT: Output voltage pin

Functional Features

• High-efficiency power conversion
• Current mode control for stable operation
• Wide input voltage range for versatile applications
• Adjustable output voltage to meet specific requirements
• Protection features ensure system safety (overvoltage, overcurrent, and thermal shutdown)
• Synchronization capability for precise timing control
• Soft-start function for gradual power-up and reduced stress on components

Advantages and Disadvantages

Advantages

• High efficiency leads to energy savings
• Wide input voltage range allows compatibility with various power sources
• Adjustable output voltage provides flexibility in system design
• Compact package enables easy integration into different devices
• Comprehensive protection features enhance system reliability

Disadvantages

• Limited maximum switching frequency may not be suitable for certain high-frequency applications
• Complex pin configuration requires careful attention during circuit design and layout

Working Principles

The LT3753EFE#PBF operates based on a current mode control architecture. It regulates the power conversion process by continuously monitoring the current flowing through the switching node (SW pin). By adjusting the duty cycle of the internal switches, it maintains a stable output voltage despite variations in input voltage and load conditions.

Detailed Application Field Plans

The LT3753EFE#PBF finds applications in various fields, including but not limited to: - Power supplies for industrial equipment - Automotive electronics - LED lighting systems - Telecommunications infrastructure - Renewable energy systems

Its versatility and robustness make it suitable for both low-power and high-power applications.

Detailed and Complete Alternative Models

1. LT3754EFE#PBF: Similar to LT3753EFE#PBF with additional features for enhanced protection and monitoring capabilities.
2. LT3752EFE#PBF: Lower-cost alternative with slightly reduced specifications but still suitable for many power management applications.
3. LT3755EFE#PBF: Higher-performance version with increased maximum switching frequency and advanced control features.

These alternative models offer different trade-offs in terms of cost, performance,