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MP28300 2-5.5V Step-Down Regulator QFN-12
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pMPS MP28300 — step-down regulator, 2-5.5V input, QFN-12./p
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MP28300 2-5.5V Step-Down Regulator QFN-12
MPS MP28300 is a step-down regulator that accepts 2 V to 5.5 V input, supplied in a QFN-12 package.
Key Specifications
| Part Number | MP28300 |
| Input Voltage | 2 V to 5.5 V |
| Topology | Step-Down Regulator |
| Package | QFN-12 |
| Ordering Codes | MP28300 |
Features
- 100mA LDO o Ultra-Low Iq: 300nA o 2.0V to 5.5V Operating Input Range o 3 Selectable Output Voltages o Over-Temperature Protection (OTP)
- Available in a QFN-12 (2mmx2mm) Package
Applications
- Wearables
- Portable Instruments
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.
- Package QFN-12 — check the land pattern in the datasheet before layout.
Common Questions
Which package is the MP28300 available in?
QFN-12.
Shenzhen Gaorunxin Technology Co., Ltd
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