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MP28200 2-5.5V, 1.5MHz Step-Down Regulator QFN-12
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pMPS MP28200 — step-down regulator, 2-5.5V input, 1.5 MHz, QFN-12./p
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MP28200 2-5.5V, 1.5MHz Step-Down Regulator QFN-12
MPS MP28200 is a step-down regulator that accepts 2 V to 5.5 V input, switches at 1.5 MHz, supplied in a QFN-12 package.
Key Specifications
| Part Number | MP28200 |
| Input Voltage | 2 V to 5.5 V |
| Switching Frequency | 1.5 MHz |
| Topology | Step-Down Regulator |
| Package | QFN-12 |
| Ordering Codes | MP28200 |
Features
- Ultra-Low Iq: 500nA
- Wide 2.0V to 5.5V Operating Input Range
- 7 Selectable Output Voltages
- Up to 200mA Output Current
- 1.5MHz Switching Frequency in Continuous Conduction Mode (CCM)
- 100% Duty Cycle in Dropout
- 0.25Ω and 0.25Ω Internal Power MOSFET Switches
- Cycle-by-Cycle Over-Current Protection (OCP)
- Short-Circuit Protection (SCP) with Hiccup Mode
- Over-Temperature Protection (OTP)
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.
- Power switches are integrated, so the thermal path is the PCB copper under the pad.
- Package QFN-12 — check the land pattern in the datasheet before layout.
Common Questions
What switching frequency does the MP28200 run at?
1.5 MHz.
Which package is the MP28200 available in?
QFN-12.
Shenzhen Gaorunxin Technology Co., Ltd
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