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MPQ2249 2.5-6V, 3A, 1MHz Synchronous Step-Down Converter SOIC8E
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pMPS MPQ2249 — synchronous step-down converter, 2.5-6V input, 3A output, 1 MHz, SOIC8E./p
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MPQ2249 2.5-6V, 3A, 1MHz Synchronous Step-Down Converter SOIC8E
MPS MPQ2249 is a synchronous step-down converter that accepts 2.5 V to 6 V input, delivers 3 A, switches at 1 MHz, supplied in a SOIC8E package.
Key Specifications
| Part Number | MPQ2249 |
| Input Voltage | 2.5 V to 6 V |
| Output Current | 3 A |
| Switching Frequency | 1 MHz |
| Topology | Synchronous Step-Down Converter |
| Package | SOIC8E |
| Ordering Codes | MPQ2249 |
Features
- High Efficiency: Up to 90%
- Power Save Mode at Light Load
- 1MHz Constant Switching Frequency
- Up to 4.5A Peak Current
- 2.5V to 6V Input Voltage Range
- Output Adjustable from 0.6V to VIN
- 100% Duty Cycle in Dropout
- Output Discharge Function
- Internal Soft-Start Control
- Power Good Indicator
Applications
- Cellular and Smart Phones
- Microprocessors and DSP Core Supplies
- MP3 Players
- Digital Still and Video Cameras
Design Notes
- The step-down topology needs an inductor and output capacitor sized for the ripple at the switching frequency, not just the DC load.
- Keep the input loop short — high di/dt at the switch node sets conducted EMI.
- Power switches are integrated, so the thermal path is the PCB copper under the pad.
- Package SOIC8E — check the land pattern in the datasheet before layout.
Common Questions
What is the input and output rating of the MPQ2249?
2.5–6 V input and 3 A output.
What switching frequency does the MPQ2249 run at?
1 MHz.
Which package is the MPQ2249 available in?
SOIC8E.
Shenzhen Gaorunxin Technology Co., Ltd
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