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MP2269 3.3-30V, 1A, 350kHz Step-Down Converter QFN-15
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pMPS MP2269 — step-down converter, 3.3-30V input, 1A output, 350 kHz, QFN-15./p
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MP2269 3.3-30V, 1A, 350kHz Step-Down Converter QFN-15
MPS MP2269 is a step-down converter that accepts 3.3 V to 30 V input, delivers 1 A, switches at 350 kHz, supplied in a QFN-15 package.
Key Specifications
| Part Number | MP2269 |
| Input Voltage | 3.3 V to 30 V |
| Output Current | 1 A |
| Switching Frequency | 350 kHz |
| Topology | Step-Down Converter |
| Package | QFN-15 |
| Ordering Codes | MP2269 |
Features
- Wide 3.3V to 30V Operating Voltage Range
- 1A Continuous Output Current
- 1μA Low Shutdown Supply Current
- 12μA Sleep Mode Quiescent Current
- 180mΩ/80mΩ High-Side/Low-Side RDS(ON) for Internal Power MOSFETs
- 350kHz to 2.5MHz Programmable Switching Frequency
- Power Good Output
- External Soft Start
- 80ns Minimum On Time
- Selectable Forced PWM Mode and Auto PFM/PWM Mode
Applications
- Battery-Powered Systems
- Smart Homes
- Wide Input Range Power Supplies
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-15 — check the land pattern in the datasheet before layout.
Common Questions
What is the input and output rating of the MP2269?
3.3–30 V input and 1 A output.
What switching frequency does the MP2269 run at?
350 kHz, programmable.
Which package is the MP2269 available in?
QFN-15.
Shenzhen Gaorunxin Technology Co., Ltd
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