MP1479GTF-Z
| Parameters | |
|---|---|
| Series | MP |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| RoHS Status | ROHS3 Compliant |
| Package / Case | SOT-563, SOT-666 |
| Mfr | Monolithic Power Systems Inc. |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Voltage - Input (Max) | 18V |
| Output Type | Adjustable |
| Number of Outputs | 1 |
| Current - Output | 1A |
| Supplier Device Package | SOT-563 |
| Output Configuration | Positive |
| Function | Step-Down |
| Topology | Buck |
| Frequency - Switching | 800kHz |
| Synchronous Rectifier | Yes |
| Voltage - Output (Min/Fixed) | 0.8V |
| Voltage - Output (Max) | 10V |
| Voltage - Input (Min) | 4.2V |
| Package | Tape & Reel (TR) |
| Product Status | Active |
| REACH Status | REACH Unaffected |
| Other Names | 1589-MP1479GTF-ZTR |
| Standard Package | 5,000 |
MP1479GTF-Z Buck Switching Regulator IC Positive Adjustable 0.8V 1 Output 1A
The MP1479GTF-Z is a high-efficiency synchronous step-down DC-DC converter from MPS (Monolithic Power Systems), housed in a compact 8-QFN (2x2mm) SMD package. It supports 4.2V to 28V wide input voltage range, delivers up to 3A continuous output current, and integrates high-side and low-side power MOSFETs on a single die, making it a highly integrated, space-saving power conversion solution for industrial, automotive non-safety, and consumer high-density power systems.
Key Features and Highlights
● Ultra-Wide Input Voltage Range: Operates stably across 4.2V to 28V input, natively supporting 12V and 24V industrial power rails and 19V laptop adapter input scenarios without extra protection circuits.
● High Integration Level: Fully integrates 75mΩ high-side and 45mΩ low-side synchronous power MOSFETs, eliminating the need for external compensation networks and reducing total BOM count drastically.
● Peak 95% High Conversion Efficiency: Optimized gate drive and switching loss design delivers peak 95% efficiency at mid-load, minimizing power dissipation and reducing thermal stress in compact enclosures.
● Programmable Soft-Start and Full Protection Suite: Features adjustable soft-start to suppress inrush current, plus built-in OCP, OVP, UVLO, and thermal shutdown protection for robust system reliability.
● 1.5MHz Fixed Switching Frequency: Operates at 1.5MHz constant switching frequency, allowing the use of tiny low-profile inductors and capacitors to achieve ultra-compact PCB layout.
Frequently Asked Questions (FAQ)
Q: What is the maximum continuous output current this part can deliver at 24V input to 5V output?
A: It can deliver full 3A continuous output current with proper PCB copper pour thermal design, maintaining stable operation across the entire industrial temperature range.
Compatible Alternative buck converter List
● MP2451DT-LF: A pin-compatible 28V 3A synchronous buck converter from MPS, offering a cost-optimized SOIC-8 package option for through-hole friendly industrial designs.
● TPS54302DDCR: A TI 28V 3A synchronous step-down converter, serving as a fully form-fit-function cross-vendor second-source alternative with excellent industrial ecosystem support.
● RT8270GQW: A Richtek 28V 3A synchronous buck converter, featuring ultra-low quiescent current for battery-powered portable industrial device applications.
● MP1484EN: A MPS 24V 3A synchronous buck converter, offering a standard SOP-8 package for legacy PCB designs that do not support QFN assembly.
