The MP1584 is a 3 A, high-frequency, non-synchronous step-down (buck) DC-DC converter with 4.5–28 V input and an integrated high-side MOSFET.
Product Overview
The MP1584 is a current-mode step-down regulator with an internal high-side MOSFET, providing 3 A output with fast loop response and easy compensation. The 100 kHz–1.5 MHz adjustable switching frequency avoids AM-band EMI, and the wide input range suits automotive and industrial environments.
Newfly supplies verified, RoHS-compliant MP1584-class converter ICs with cross-reference and BOM-matching support for production sourcing.
Key Features
- – 3 A output current
- – Wide input voltage 4.5 V – 28 V
- – High-frequency, adjustable 100 kHz – 1.5 MHz
- – Internal high-side MOSFET
- – Adjustable output (0.8 V – 25 V)
- – Current-mode control with fast transient response
- – Over-current, thermal, and frequency-foldback protection
- – SOIC-8-EP package
- – RoHS-compliant
Technical Specifications
| Parameter | Specification |
|---|---|
| Topology | Step-down (Buck), non-synchronous |
| Output Current | 3 A |
| Input Voltage | 4.5 V – 28 V |
| Output Voltage | 0.8 V – 25 V (adjustable) |
| Switching Frequency | 100 kHz – 1.5 MHz (programmable) |
| Package | SOIC-8-EP (verify variant) |
| Operating Temperature | -20°C to +85°C (verify with manufacturer datasheet) |
| Compliance | RoHS |
Applications
– Automotive systems
– Industrial power supplies
– Distributed power architectures
– Set-top boxes
– Networking equipment
Why Choose Newfly Electronics
– Verified sourcing from ISO9001-certified manufacturers
– MOQ flexibility with small-quantity and prototype sourcing support
– Alternative-part and cross-reference service for DC-DC converter ICs
– Full-board BOM sourcing to consolidate your component purchasing
– RoHS / REACH documentation support for compliance filing
FAQ
Q: Is the MP1584 a synchronous or non-synchronous converter?
A: It is non-synchronous (uses an external catch diode). For synchronous alternatives, ask Newfly for a cross-reference.
Q: What is the input voltage range?
A: 4.5 V to 28 V, suitable for automotive and industrial rails.
Q: Can you provide a cross-reference?
A: Yes. Share your BOM and Newfly will suggest compatible step-down converter ICs.






