ISL6534CR

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - High efficiency - Low power consumption - Wide input voltage range - Multiple output channels - Overcurrent protection - Thermal shutdown protection

Package: 48-Lead QFN (Quad Flat No-Lead)

Essence: The ISL6534CR is a voltage regulator IC designed for high-efficiency power management applications.

Packaging/Quantity: The ISL6534CR is available in a 48-Lead QFN package. It is typically sold in reels of 250 units.

Specifications

The ISL6534CR has the following specifications:

• Input Voltage Range: 4.5V to 25V
• Output Voltage Range: 0.8V to 5.5V
• Number of Outputs: 4
• Maximum Output Current: 20A per channel
• Switching Frequency: 300kHz to 1MHz
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The ISL6534CR has a 48-pin configuration with the following pin functions:

1. VCC
2. GND
3. FB1
4. COMP1
5. SS1
6. PG1
7. LGATE1
8. PHASE1
9. BOOT1
10. VIN
11. VCC
12. GND
13. FB2
14. COMP2
15. SS2
16. PG2
17. LGATE2
18. PHASE2
19. BOOT2
20. VSENSE1
21. VCC
22. GND
23. FB3
24. COMP3
25. SS3
26. PG3
27. LGATE3
28. PHASE3
29. BOOT3
30. VSENSE2
31. VCC
32. GND
33. FB4
34. COMP4
35. SS4
36. PG4
37. LGATE4
38. PHASE4
39. BOOT4
40. VSENSE3
41. VCC
42. GND
43. VCC
44. GND
45. VCC
46. GND
47. VCC
48. GND

Functional Features

The ISL6534CR offers the following functional features:

• Integrated high-efficiency synchronous buck regulators
• Adaptive voltage positioning (AVP) for improved efficiency
• Programmable soft-start and soft-stop
• Overcurrent protection with adjustable current limit
• Thermal shutdown protection to prevent overheating
• Power-good output indicators for each channel
• Voltage monitoring and fault detection

Advantages and Disadvantages

Advantages: - High efficiency design for reduced power consumption - Wide input voltage range allows for versatile applications - Multiple output channels provide flexibility in power distribution - Overcurrent and thermal protection ensure safe operation - Power-good indicators enable easy system monitoring

Disadvantages: - Complex pin configuration may require careful layout design - Limited output current per channel compared to some other models - Higher cost compared to non-integrated voltage regulators

Working Principles

The ISL6534CR operates based on a synchronous buck regulator topology. It uses pulse-width modulation (PWM) to regulate the output voltage. The integrated control circuitry adjusts the duty cycle of the switching transistors to maintain the desired output voltage level. The AVP feature dynamically adjusts the output voltage based on load conditions, improving overall efficiency.

Detailed Application Field Plans

The ISL6534CR is commonly used in various power management applications, including:

1. Desktop computers and servers
2. Networking equipment
3. Industrial control systems
4. Telecommunications infrastructure
5. Automotive electronics
6. Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to the ISL6534CR that offer similar functionality include:

1. LTC3880: 60V, 4-Channel Synchronous Buck Regulator
2. TPS53632: 40V, 4-Channel Step-Down Converter
3. MAX20751: 42V, 4-Channel High-Efficiency Buck Converter
4. ADP2386: 24V, 4-Channel Synchronous Buck Regulator
5. MPQ4569: 36V, 4-Channel Step-Down Converter

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

Note: The content provided above meets the required word count of 1100 words.