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MP2349 4.5-24V, 6.5A, 700kHz Synchronous Buck Converter QFN-11
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pMPS MP2349 — synchronous buck converter, 4.5-24V input, 6.5A output, 700 kHz, QFN-11./p
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MP2349 4.5-24V, 6.5A, 700kHz Synchronous Buck Converter QFN-11
MPS MP2349 is a synchronous buck converter that accepts 4.5 V to 24 V input, delivers 6.5 A, switches at 700 kHz, supplied in a QFN-11 package.
Key Specifications
| Part Number | MP2349 |
| Input Voltage | 4.5 V to 24 V |
| Output Current | 6.5 A |
| Switching Frequency | 700 kHz |
| Topology | Synchronous Buck Converter |
| Package | QFN-11 |
| Ordering Codes | MP2349 |
Features
- Wide 4.5V to 24V Operating Input Voltage (VIN) Range
- 105μA Low Quiescent Current (IQ)
- 6.5A Continuous Output Current (IOUT)
- 7.5A Peak Output Current (IOUT_MAX)
- Adaptive Constant-On-Time (COT) for Fast Transient Response
- DC Auto-Tune Loop
- Low On Resistance (RDS(ON)) Internal Power MOSFETs
- Proprietary Switching Loss Reduction Technology
- Fixed 700kHz Switching Frequency (fSW)
- Stable with POSCAP and Ceramic Capacitors
Applications
- Security Cameras
- Portable Devices and xDSL Devices
- Digital Set-Top Boxes
- Flat-Panel Televisions and Monitors
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 QFN-11 — check the land pattern in the datasheet before layout.
Common Questions
What is the input and output rating of the MP2349?
4.5–24 V input and 6.5 A output.
What switching frequency does the MP2349 run at?
700 kHz.
Which package is the MP2349 available in?
QFN-11, with ordering codes MP2349GG-Z.
Shenzhen Gaorunxin Technology Co., Ltd
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