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MP3389EY-LF-Z
Product Overview
- Category: Integrated Circuit (IC)
- Use: LED Driver
- Characteristics: High efficiency, compact size, wide input voltage range
- Package: QFN (Quad Flat No-Lead)
- Essence: Power management IC for driving LEDs
- Packaging/Quantity: Tape and Reel, 3000 units per reel
Specifications
- Input Voltage Range: 4.5V to 28V
- Output Current Range: Up to 1.5A
- Switching Frequency: Adjustable up to 2MHz
- Dimming Control: Analog/PWM
- Protection Features: Over-temperature, over-voltage, short-circuit
Pin Configuration
The MP3389EY-LF-Z has a total of 20 pins arranged as follows:
Pin 1: VIN
Pin 2: EN
Pin 3: FB
Pin 4: GND
Pin 5: SW
Pin 6: LX
Pin 7: VOUT
Pin 8: PGND
Pin 9: AGND
Pin 10: ADIM
Pin 11: DIM
Pin 12: CS
Pin 13: SS
Pin 14: BST
Pin 15: COMP
Pin 16: RT
Pin 17: CT
Pin 18: VCC
Pin 19: CLK
Pin 20: SYNC
Functional Features
- High efficiency conversion for LED lighting applications
- Wide input voltage range allows for versatile use
- Adjustable switching frequency for optimal performance
- Dimming control options for brightness adjustment
- Comprehensive protection features ensure safe operation
Advantages and Disadvantages
Advantages: - High efficiency results in energy savings - Compact size enables space-saving designs - Wide input voltage range accommodates various power sources - Dimming control allows for flexible lighting options
Disadvantages: - Limited output current may not be suitable for high-power LED applications - Analog/PWM dimming control may require additional circuitry
Working Principles
The MP3389EY-LF-Z is a step-up converter that utilizes a high-frequency switching regulator to efficiently drive LEDs. It converts the input voltage to a higher voltage required by the LEDs, while regulating the output current. The device incorporates a feedback loop to maintain constant brightness and provides dimming control through analog or PWM signals.
Application Field Plans
The MP3389EY-LF-Z is widely used in various LED lighting applications, including but not limited to: - Automotive lighting - Backlighting for LCD displays - General illumination - Portable lighting devices
Alternative Models
- MP3389EY-LF: Similar specifications and features, but without the "Z" suffix indicating tape and reel packaging.
- MP3394S-LF-Z: Step-up LED driver with higher output current capability.
- MP3302DD-LF-Z: Buck-boost LED driver for applications requiring both step-up and step-down conversion.
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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de MP3389EY-LF-Z en soluciones técnicas
Sure! Here are 10 common questions and answers related to the application of MP3389EY-LF-Z in technical solutions:
Q: What is MP3389EY-LF-Z? A: MP3389EY-LF-Z is a high-efficiency, synchronous step-up converter designed for driving up to 10 white LEDs in series.
Q: What is the input voltage range of MP3389EY-LF-Z? A: The input voltage range of MP3389EY-LF-Z is typically between 2.7V and 5.5V.
Q: How many LEDs can be driven by MP3389EY-LF-Z? A: MP3389EY-LF-Z can drive up to 10 white LEDs in series.
Q: What is the maximum output current of MP3389EY-LF-Z? A: The maximum output current of MP3389EY-LF-Z is typically 30mA.
Q: Can MP3389EY-LF-Z be used for dimming LED lights? A: Yes, MP3389EY-LF-Z supports PWM dimming control for LED lights.
Q: Is MP3389EY-LF-Z suitable for battery-powered applications? A: Yes, MP3389EY-LF-Z has a low quiescent current and is suitable for battery-powered applications.
Q: Does MP3389EY-LF-Z have built-in over-temperature protection? A: Yes, MP3389EY-LF-Z features built-in over-temperature protection to prevent damage during high-temperature conditions.
Q: Can MP3389EY-LF-Z operate in a wide temperature range? A: Yes, MP3389EY-LF-Z is designed to operate in a temperature range of -40°C to +85°C.
Q: What is the typical efficiency of MP3389EY-LF-Z? A: The typical efficiency of MP3389EY-LF-Z is around 90% at full load.
Q: Are there any application notes or reference designs available for MP3389EY-LF-Z? A: Yes, the manufacturer provides application notes and reference designs to help with the implementation of MP3389EY-LF-Z in various technical solutions.
Please note that these answers are general and may vary depending on the specific datasheet and manufacturer's documentation for MP3389EY-LF-Z.