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MP2116 2.5-6V, 2A, 1.25MHz Synchronous Step-Down Converter QFN10
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pMPS MP2116 — synchronous step-down converter, 2.5-6V input, 2A output, 1.25 MHz, QFN10./p
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MP2116 2.5-6V, 2A, 1.25MHz Synchronous Step-Down Converter QFN10
MPS MP2116 is a synchronous step-down converter that accepts 2.5 V to 6 V input, delivers 2 A, switches at 1.25 MHz, supplied in a QFN10 package.
Key Specifications
| Part Number | MP2116 |
| Input Voltage | 2.5 V to 6 V |
| Output Current | 2 A |
| Switching Frequency | 1.25 MHz |
| Topology | Synchronous Step-Down Converter |
| Package | QFN10 |
| Ordering Codes | MP2116 |
Features
- 100% Duty Cycle Low Dropout Operation (High-Side PFET)
- 2A Switcher Output Current at VIN=3V
- Internal Power MOSFET Switches
- Stable with Ceramic Capacitors
- Up to 95% Efficiency for Switcher
- 1.25MHz Switching Frequency
- Internal Soft-start for Switcher
- 2.5V to 6V Input Range, for Switcher
- 1V to VIN1 Input Range, for LDO
- 0.5A LDO Output Current
Applications
- DVD+/-RW Drives
- Smart Phones
- Digital Cameras
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 QFN10 — check the land pattern in the datasheet before layout.
Common Questions
What is the input and output rating of the MP2116?
2.5–6 V input and 2 A output.
What switching frequency does the MP2116 run at?
1.25 MHz.
Which package is the MP2116 available in?
QFN10.
Shenzhen Gaorunxin Technology Co., Ltd
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