ISL6528CB-T

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management IC

Characteristics: - High efficiency voltage regulator - Dual synchronous buck controller - Provides complete power solution for advanced microprocessors

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

Essence: The ISL6528CB-T is a power management IC designed to provide a complete power solution for advanced microprocessors.

Packaging/Quantity: The ISL6528CB-T is available in a 48-Ld QFN package. The quantity per package may vary depending on the supplier.

Specifications

The specifications of the ISL6528CB-T include:

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

Pin Configuration

The detailed pin configuration of the ISL6528CB-T is as follows:

1. VIN
2. BOOT
3. VCC
4. PGND
5. LGATE
6. PHASE
7. COMP
8. FB
9. SS
10. RT
11. AGND
12. PGND
13. PGND
14. PGND
15. PGND
16. PGND
17. PGND
18. PGND
19. PGND
20. PGND
21. PGND
22. PGND
23. PGND
24. PGND
25. PGND
26. PGND
27. PGND
28. PGND
29. PGND
30. PGND
31. PGND
32. PGND
33. PGND
34. PGND
35. PGND
36. PGND
37. PGND
38. PGND
39. PGND
40. PGND
41. PGND
42. PGND
43. PGND
44. PGND
45. PGND
46. PGND
47. PGND
48. PGND

Functional Features

The ISL6528CB-T offers the following functional features:

• Dual synchronous buck controller with integrated MOSFET drivers
• Adaptive voltage positioning (AVP) for improved efficiency
• Programmable switching frequency
• Overcurrent protection and thermal shutdown
• Power-good output voltage monitor

Advantages and Disadvantages

Advantages: - High efficiency power management solution - Compact package size - Integrated MOSFET drivers simplify design - Programmable features allow customization

Disadvantages: - Limited maximum output current compared to some other power management ICs - Requires careful thermal management due to high power dissipation

Working Principles

The ISL6528CB-T operates as a dual synchronous buck controller, providing efficient power conversion for advanced microprocessors. It uses adaptive voltage positioning (AVP) to optimize efficiency by dynamically adjusting the output voltage based on load conditions. The integrated MOSFET drivers simplify the design and reduce external component count.

Detailed Application Field Plans

The ISL6528CB-T is commonly used in applications that require efficient power management for advanced microprocessors. Some of the typical application fields include:

1. Desktop computers
2. Servers
3. Gaming consoles
4. Industrial automation systems
5. Telecommunications equipment

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the ISL6528CB-T are:

1. LTC3880: Dual output synchronous step-down DC/DC controller
2. TPS53632: Dual-output multiphase buck controller with PMBus interface
3. MAX20751: Dual-phase, dual-output synchronous buck controller

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

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