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MP8845 2.7-6V, 5A, 1MHz Step-Down Converter WLCSP-20
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pMPS MP8845 — step-down converter, 2.7-6V input, 5A output, 1 MHz, WLCSP-20./p
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MP8845 2.7-6V, 5A, 1MHz Step-Down Converter WLCSP-20
MPS MP8845 is a step-down converter that accepts 2.7 V to 6 V input, delivers 5 A, switches at 1 MHz, supplied in a WLCSP-20 package.
Key Specifications
| Part Number | MP8845 |
| Input Voltage | 2.7 V to 6 V |
| Output Current | 5 A |
| Switching Frequency | 1 MHz |
| Topology | Step-Down Converter |
| Package | WLCSP-20 |
| Ordering Codes | MP8845 |
Features
- 2.7V to 6V Input Voltage Range
- Up to 5A Load Current
- Internal 28mΩ High-Side and 17mΩ Low- Side Power MOSFETs
- Fixed-Frequency Hysteretic Mode Control
- I2C-Compatible Interface up to 3.4Mbps
- I2C-Programmable Output Range from 0.6V to 1.1V in 3.9mV Steps
- Factory Adjustable Switching Frequency from 1MHz to 2.2MHz
- I2C-Programmable Voltage Transition Slew Rate
- Power-Saving Mode Selectable via I2C
- Internal Soft Start
Applications
- Processor Core Supply
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 WLCSP-20 — check the land pattern in the datasheet before layout.
Common Questions
What is the input and output rating of the MP8845?
2.7–6 V input and 5 A output.
What switching frequency does the MP8845 run at?
1 MHz, programmable.
Which package is the MP8845 available in?
WLCSP-20.
Shenzhen Gaorunxin Technology Co., Ltd
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