Overview
The MP2145GD-P is a high-efficiency, synchronous step-down switcher manufactured by Monolithic Power Systems Inc. This device is designed to provide up to 6A of continuous output current from an input voltage range of 2.8V to 5.5V. It features a fixed switching frequency of 1.2MHz and constant-on-time (COT) control, which ensures a fast transient response and simplifies loop stabilization. The MP2145GD-P is packaged in a compact 12-pin QFN package, making it suitable for a variety of applications requiring high power density and efficiency.
Key Specifications
| Parameter | Value |
|---|---|
| Input Voltage Range | 2.8V to 5.5V |
| Output Voltage Range | 0.6V to 5.5V |
| Output Current | Up to 6A |
| Switching Frequency | 1.2MHz |
| Quiescent Current | 40μA |
| Package Type | 12-pin QFN (2mm x 3mm) |
| Operating Junction Temperature | -40°C to +125°C |
| Thermal Shutdown | Yes |
| RoHS Compliance | Yes |
| Lead-Free and Halogen-Free | Yes |
Key Features
- High-efficiency synchronous step-down converter
- Constant-on-time (COT) control for fast transient response and easy loop stabilization
- Internal power MOSFETs (20mΩ and 12mΩ)
- Adjustable output voltage from 0.6V
- 100% duty cycle in dropout
- 1% feedback accuracy
- Cycle-by-cycle overcurrent protection and short circuit protection with hiccup mode
- Thermal shutdown protection
- Output discharge function
- Stable operation with low-ESR output ceramic capacitors
Applications
- Storage devices (SSD, HDD)
- High-performance DSPs and FPGAs
- Portable instruments
- Battery-powered devices
- Distributed power systems
Q & A
- What is the input voltage range of the MP2145GD-P? The input voltage range is 2.8V to 5.5V.
- What is the maximum output current of the MP2145GD-P? The maximum output current is up to 6A.
- What is the switching frequency of the MP2145GD-P? The switching frequency is fixed at 1.2MHz.
- Does the MP2145GD-P have thermal shutdown protection? Yes, it does have thermal shutdown protection.
- Is the MP2145GD-P RoHS compliant? Yes, it is RoHS compliant and lead-free and halogen-free.
- What type of package does the MP2145GD-P come in? It comes in a 12-pin QFN package (2mm x 3mm).
- What are the key applications of the MP2145GD-P? Key applications include storage devices (SSD, HDD), high-performance DSPs and FPGAs, portable instruments, battery-powered devices, and distributed power systems.
- Does the MP2145GD-P support adjustable output voltage? Yes, the output voltage can be adjusted from 0.6V.
- What is the quiescent current of the MP2145GD-P? The quiescent current is 40μA.
- Does the MP2145GD-P have cycle-by-cycle overcurrent protection? Yes, it has cycle-by-cycle overcurrent protection and short circuit protection with hiccup mode.
