MP3388EY-LF-Z

Product Overview

• Category: Integrated Circuit (IC)
• Use: LED Driver
• Characteristics: High efficiency, compact size, wide input voltage range
• Package: QFN-24
• Essence: Monolithic step-down converter
• Packaging/Quantity: Tape and Reel, 3000 pieces per reel

Specifications

• Input Voltage Range: 4.5V to 28V
• Output Voltage Range: 0.6V to 26V
• Maximum Output Current: 3A
• Switching Frequency: 1MHz
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MP3388EY-LF-Z has a total of 24 pins. Here is the detailed pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. EN: Enable pin
4. FB: Feedback pin
5. SS: Soft-start pin
6. CS: Current sense pin
7. SW: Switch node pin
8. LX: Inductor connection pin
9. VCC: Internal bias voltage pin
10. PGND: Power ground pin
11. AGND: Analog ground pin
12. VOUT: Output voltage pin
13. VREF: Reference voltage pin
14. COMP: Compensation pin
15. BST: Bootstrap capacitor pin
16. PG: Power good indicator pin
17. DIM: Dimming control pin
18. ADJ: Output voltage adjustment pin
19. SYNC: Synchronization pin
20. CLK: Clock synchronization pin
21. NC: No connect pin
22. NC: No connect pin
23. NC: No connect pin
24. NC: No connect pin

Functional Features

• Wide input voltage range allows for versatile applications
• High efficiency conversion minimizes power loss
• Integrated soft-start function prevents inrush current
• Over-temperature protection ensures safe operation
• Adjustable output voltage and dimming control for flexibility

Advantages and Disadvantages

Advantages: - High efficiency results in energy savings - Compact size enables space-saving designs - Wide input voltage range accommodates various power sources - Integrated features simplify circuit design - Adjustable output voltage and dimming control offer customization options

Disadvantages: - Limited maximum output current may not be suitable for high-power applications - Sensitive to excessive heat, requiring proper thermal management

Working Principles

The MP3388EY-LF-Z is a monolithic step-down converter that utilizes a synchronous rectification technique. It operates by converting a higher input voltage to a lower output voltage with high efficiency. The integrated control circuitry regulates the output voltage based on feedback from the FB pin. The switching frequency of 1MHz ensures fast response and stable operation. The device also incorporates various protection mechanisms to safeguard against over-temperature and over-current conditions.

Detailed Application Field Plans

The MP3388EY-LF-Z LED driver IC finds applications in various fields, including:

1. Automotive lighting systems
2. Backlighting for LCD displays
3. General illumination
4. Portable devices
5. Industrial lighting

Detailed and Complete Alternative Models

1. MP3389EY-LF-Z
2. MP3394S-LF-Z
3. MP3421GJ-LF-Z
4. MP3431GJ-LF-Z
5. MP3450IGR-Z

These alternative models offer similar functionality and can be considered as substitutes for the MP3388EY-LF-Z in different applications.

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