LTC3774IUHE#PBF

Product Overview

Category

LTC3774IUHE#PBF belongs to the category of integrated circuits (ICs).

Use

This product is primarily used in power management applications.

Characteristics

• High efficiency
• Wide input voltage range
• Low quiescent current
• Adjustable output voltage
• Overcurrent protection

Package

LTC3774IUHE#PBF comes in a 38-lead plastic QFN package.

Essence

The essence of this product lies in its ability to efficiently manage power in various applications.

Packaging/Quantity

LTC3774IUHE#PBF is typically packaged in reels and the quantity per reel is 250 units.

Specifications

• Input Voltage Range: 4.5V to 60V
• Output Voltage Range: 0.6V to 55V
• Quiescent Current: 50µA
• Switching Frequency: Up to 2MHz
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

1. VIN: Input voltage pin
2. GND: Ground pin
3. VOUT: Output voltage pin
4. FB: Feedback pin
5. EN: Enable pin
6. SS: Soft-start pin
7. PGND: Power ground pin
8. SYNC: Synchronization pin
9. CLKOUT: Clock output pin
10. INTVCC: Internal voltage supply pin
11. VCC: Supply voltage pin
12. BST: Bootstrap pin
13. SW: Switch node pin
14. COMP: Compensation pin
15. RT: Timing resistor pin
16. CT: Timing capacitor pin
17. SS/TRK: Soft-start/tracking pin
18. OVLO: Overvoltage lockout pin
19. UVLO: Undervoltage lockout pin
20. OCSET: Overcurrent set pin
21. PG: Power good pin
22. VFB: Feedback voltage sense pin
23. ITH: Current sense threshold pin
24. SS/TRK: Soft-start/tracking pin
25. SYNC: Synchronization pin
26. CLKOUT: Clock output pin
27. INTVCC: Internal voltage supply pin
28. VCC: Supply voltage pin
29. BST: Bootstrap pin
30. SW: Switch node pin
31. COMP: Compensation pin
32. RT: Timing resistor pin
33. CT: Timing capacitor pin
34. SS/TRK: Soft-start/tracking pin
35. OVLO: Overvoltage lockout pin
36. UVLO: Undervoltage lockout pin
37. OCSET: Overcurrent set pin
38. PG: Power good pin

Functional Features

• Wide input voltage range allows for versatile applications.
• High efficiency ensures minimal power loss.
• Adjustable output voltage provides flexibility.
• Overcurrent protection safeguards the circuit and connected devices.
• Low quiescent current reduces power consumption.

Advantages and Disadvantages

Advantages

• High efficiency leads to energy savings.
• Wide input voltage range accommodates various power sources.
• Adjustable output voltage offers customization options.
• Overcurrent protection enhances system reliability.
• Low quiescent current minimizes power wastage.

Disadvantages

• Limited availability of alternative models.
• Relatively high cost compared to some other ICs in the market.

Working Principles

LTC3774IUHE#PBF operates on the principle of pulse width modulation (PWM) control. It regulates the output voltage by adjusting the duty cycle of the switching signal. The feedback mechanism continuously monitors the output voltage and adjusts the duty cycle accordingly to maintain a stable output.

Detailed Application Field Plans

LTC3774IUHE#PBF finds applications in various fields, including: - Industrial power supplies - Automotive electronics - Telecommunications equipment - Renewable energy systems - Battery charging circuits

Detailed and Complete Alternative Models

While LTC3774IUHE#PBF is a highly capable IC, there are alternative models available in the market that offer similar functionality. Some notable alternatives include: - LT8610ABEUJ#PBF - LM5113Q1MTE/NOPB - MAX15062ATI+

These alternative models can be considered based on specific application requirements and availability.

In conclusion, LTC3774IUHE#PBF is a versatile integrated circuit used for power management applications. Its high efficiency, wide input voltage range, and adjustable output voltage make it suitable for various industries. However, limited availability of alternative models and relatively higher cost are some factors to consider. Understanding its pin configuration, functional features, advantages, disadvantages, working principles, and alternative models helps in making informed decisions regarding its usage.