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MP2228 2A, 800kHz Step-Down Converter TSOT23
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pMPS MP2228 — step-down converter, 2A output, 800 kHz, TSOT23./p
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MP2228 2A, 800kHz Step-Down Converter TSOT23
MPS MP2228 is a step-down converter that delivers 2 A, switches at 800 kHz, supplied in a TSOT23 package.
Key Specifications
| Part Number | MP2228 |
| Output Current | 2 A |
| Switching Frequency | 800 kHz |
| Topology | Step-Down Converter |
| Package | TSOT23 |
| Ordering Codes | MP2228 |
Features
- 6V-to-16V Operating Input Range
- 100mΩ/40mΩ Low RDS(ON) Internal Power MOSFETs
- High-Efficiency Synchronous Mode Operation
- Fixed 800kHz Switching Frequency
- External AAM pin for Power-Save Mode Programming
- External Soft-Start
- OCP Protection and Hiccup
- Thermal Shutdown
- Output Adjustable from 0.8V
- Available in an 8-pin TSOT-23 Package
Applications
- Notebook Systems and I/O Power
- Digital Set-Top Boxes
- Flat-Panel Television 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 TSOT23 — check the land pattern in the datasheet before layout.
Common Questions
What switching frequency does the MP2228 run at?
800 kHz.
Which package is the MP2228 available in?
TSOT23.
Shenzhen Gaorunxin Technology Co., Ltd
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