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MP2164 2.5-5.5V, 3A, 2.3MHz Synchronous Step-Down Converter QFN-12
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pMPS MP2164 — synchronous step-down converter, 2.5-5.5V input, 3A output, 2.3 MHz, QFN-12./p
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MP2164 2.5-5.5V, 3A, 2.3MHz Synchronous Step-Down Converter QFN-12
MPS MP2164 is a synchronous step-down converter that accepts 2.5 V to 5.5 V input, delivers 3 A, switches at 2.3 MHz, supplied in a QFN-12 package.
Key Specifications
| Part Number | MP2164 |
| Input Voltage | 2.5 V to 5.5 V |
| Output Current | 3 A |
| Switching Frequency | 2.3 MHz |
| Topology | Synchronous Step-Down Converter |
| Package | QFN-12 |
| Ordering Codes | MP2164 |
Features
- More than 80% Light-Load Efficiency
- Forced PWM and Auto PFM Option
- Wide 2.5V to 5.5V Operating Input Range
- Output Voltage as Low as 0.6V
- 100% Duty Cycle in Dropout
- 3A Output Current
- 32mΩ and 20mΩ Internal Power MOSFET
- 2.3MHz Frequency
- Internal Soft Start (SS)
- Short-Circuit Protection (SCP) with Hiccup Mode
Applications
- Wireless Cards
- Smartphones
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 is the input and output rating of the MP2164?
2.5–5.5 V input and 3 A output.
What switching frequency does the MP2164 run at?
2.3 MHz.
Which package is the MP2164 available in?
QFN-12.
Shenzhen Gaorunxin Technology Co., Ltd
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