ISL6257HRZ

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: High Efficiency, Low Dropout Voltage
• Package: 28-Pin QFN
• Essence: Power Management IC
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Input Voltage Range: 4.5V to 26V
• Output Voltage Range: 0.6V to 5.5V
• Output Current: Up to 3A
• Efficiency: Up to 95%
• Dropout Voltage: 200mV at 1A Load
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The ISL6257HRZ has a total of 28 pins. The pin configuration is as follows:

1. VIN
2. GND
3. VCC
4. PGND
5. EN
6. SS
7. FB
8. COMP
9. RT
10. CT
11. BST
12. SW
13. SW
14. SW
15. SW
16. SW
17. SW
18. SW
19. SW
20. SW
21. SW
22. SW
23. SW
24. SW
25. SW
26. SW
27. SW
28. SW

Functional Features

• High efficiency power conversion
• Low dropout voltage for improved performance
• Overcurrent protection
• Thermal shutdown protection
• Soft-start functionality for controlled startup
• Adjustable output voltage through external resistors
• Stable operation under varying load conditions

Advantages and Disadvantages

Advantages

• High efficiency results in reduced power consumption
• Low dropout voltage ensures stable output even with low input voltage
• Overcurrent and thermal protection enhance reliability
• Soft-start feature prevents excessive inrush current during startup

Disadvantages

• Limited output current capacity (up to 3A)
• Requires external resistors for output voltage adjustment

Working Principles

The ISL6257HRZ is a voltage regulator IC designed for power management applications. It operates by converting an input voltage within the range of 4.5V to 26V into a regulated output voltage between 0.6V and 5.5V. The IC utilizes a high-efficiency architecture to minimize power losses and maximize energy conversion.

The device incorporates various protection mechanisms such as overcurrent and thermal shutdown to safeguard against potential damage. Additionally, the soft-start feature allows for controlled startup, preventing excessive inrush current that could harm the circuitry.

Detailed Application Field Plans

The ISL6257HRZ finds extensive use in various electronic devices and systems, including:

1. Laptop computers
2. Tablets
3. Mobile phones
4. Portable gaming consoles
5. Industrial equipment
6. Automotive electronics
7. Power supplies

Its ability to efficiently regulate voltage and handle moderate output currents makes it suitable for a wide range of applications requiring stable and reliable power management.

Detailed and Complete Alternative Models

1. ISL6258HRZ
2. ISL6259HRZ
3. ISL6260HRZ
4. ISL6261HRZ
5. ISL6262HRZ

These alternative models offer similar functionality and characteristics to the ISL6257HRZ, providing options for different design requirements and specifications.

In conclusion, the ISL6257HRZ is a highly efficient voltage regulator IC used in various electronic devices. Its compact package, robust features, and wide input/output voltage range make it a versatile choice for power management applications.