The MP1584EN from Monolithic Power Systems is a high-efficiency, high-frequency step-down (buck) DC-DC converter designed to deliver up to 3A output current with excellent efficiency.
Operating at a fixed switching frequency of 1.5 MHz, it allows the use of small external components, making it ideal for compact designs. The MP1584EN supports a wide input voltage range and provides adjustable output voltage, making it suitable for powering microcontrollers, sensors, and embedded systems.
Its high efficiency and compact design make it widely used in flight controllers, power modules, and battery-powered devices.
Key Features
Power & Performance-
Output current: up to 3A
High efficiency (up to ~95%)
Fixed switching frequency: 1.5 MHz
Input & Output-
Input voltage range: 4.5V to 28V
Adjustable output voltage: 0.8V to ~20V
Internal compensation for stable operation
Efficiency-
Low RDS(on) internal MOSFET
High efficiency across wide load range
Protection Features-
Thermal shutdown
Overcurrent protection
Short-circuit protection
Control & Operatio
Enable (EN) pin for power control
Soft-start functionality
Fast transient response
Package Information-
Package Type: SOIC-8 (Exposed Pad)
Mounting Type: Surface Mount (SMD)
Package ontents-
1 × MP1584EN Buck Converter IC
Applications-
DC-DC step-down power supplies
Flight controllers and embedded systems
Battery-powered devices
Automotive electronics
Industrial power regulation
Power modules and adapters
Usage Note-
Requires external components:
Inductor
Schottky diode
Input/output capacitors
Feedback resistors
Ensure proper PCB layout for stable operation (very important for switching regulators)
Datasheet: –MP1584EN
I purchased the MP1584EN Buck Converter IC from AuronX. The IC was genuine, well packed, and worked perfectly in my DC-DC converter project. Delivery was quick, and the product matched the description on the website. I would definitely buy electronic components from AuronX again.