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MP2184 2.5-5.5V, 4A, 1.2MHz Synchronous Step-Down Converter SOT583
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pMPS MP2184 — synchronous step-down converter, 2.5-5.5V input, 4A output, 1.2 MHz, SOT583./p
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MP2184 2.5-5.5V, 4A, 1.2MHz Synchronous Step-Down Converter SOT583
MPS MP2184 is a synchronous step-down converter that accepts 2.5 V to 5.5 V input, delivers 4 A, switches at 1.2 MHz, supplied in a SOT583 package.
Key Specifications
| Part Number | MP2184 |
| Input Voltage | 2.5 V to 5.5 V |
| Output Current | 4 A |
| Switching Frequency | 1.2 MHz |
| Quiescent Current | 21 uA |
| Topology | Synchronous Step-Down Converter |
| Package | SOT583 |
| Ordering Codes | MP2184 |
Features
- Low 21μA Quiescent Current (IQ)
- 1.2MHz Switching Frequency (fSW)
- Enable (EN) Pin for Power Sequencing
- 1% Feedback (FB) Accuracy
- Wide 2.5V to 5.5V Operating Input Voltage (VIN) Range
- Output Voltage (VOUT) Adjustable from 0.6V
- Up to 4A Output Current (IOUT)
- 65mΩ and 35mΩ Internal Power MOSFET Switches
- 100% Duty Cycle when On
- Output Discharge
Applications
- Wireless/Networking Cards
- Portable Instruments
- Battery-Powered Devices
- Low-Voltage I/O System Power
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 SOT583 — check the land pattern in the datasheet before layout.
Common Questions
What is the input and output rating of the MP2184?
2.5–5.5 V input and 4 A output.
What switching frequency does the MP2184 run at?
1.2 MHz.
Which package is the MP2184 available in?
SOT583, with ordering codes MP2184GTL-Z.
Shenzhen Gaorunxin Technology Co., Ltd
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