MP3391EF-LF

Product Overview

• Category: Integrated Circuit (IC)
• Use: LED Driver
• Characteristics: High efficiency, compact size, constant current output
• Package: QFN (Quad Flat No-Lead)
• Essence: Power management IC for driving LEDs
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Input Voltage Range: 4.5V to 24V
• Output Current Range: 100mA to 1A
• Switching Frequency: 1MHz
• Dimming Control: Analog/PWM
• Thermal Shutdown Protection: Yes
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MP3391EF-LF has a total of 16 pins. Here is the detailed pin configuration:

1. VIN: Input voltage
2. GND: Ground
3. EN: Enable pin
4. FB: Feedback pin
5. DIM: Dimming control pin
6. VCC: Supply voltage for internal circuitry
7. SW: Switch node connection
8. LX: Inductor connection
9. PGND: Power ground
10. PGND: Power ground
11. PGND: Power ground
12. PGND: Power ground
13. PGND: Power ground
14. PGND: Power ground
15. PGND: Power ground
16. PGND: Power ground

Functional Features

• High efficiency conversion
• Wide input voltage range
• Constant current output
• Over-temperature protection
• Dimming control capability
• Compact size for space-constrained applications

Advantages and Disadvantages

Advantages: - High efficiency leads to energy savings - Wide input voltage range allows for versatile applications - Constant current output ensures consistent LED brightness - Dimming control capability provides flexibility in lighting design - Compact size enables integration into small form factor devices

Disadvantages: - Limited maximum output current of 1A may not be suitable for high-power LED applications - Requires external components for proper operation

Working Principles

The MP3391EF-LF is a power management IC specifically designed for driving LEDs. It operates by converting the input voltage to a constant current output, ensuring consistent brightness across the connected LEDs. The IC utilizes a high-frequency switching regulator to achieve high efficiency and compact size. It also incorporates thermal shutdown protection to prevent overheating.

Detailed Application Field Plans

The MP3391EF-LF is widely used in various LED lighting applications, including but not limited to: - Automotive lighting - Backlighting for LCD displays - General illumination - Architectural lighting - Signage and advertising displays

Detailed and Complete Alternative Models

Here are some alternative models that can be considered as alternatives to the MP3391EF-LF: - MP3394EF-LF - MP3392EF-LF - MP3393EF-LF - MP3395EF-LF

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

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