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EVM3811-G-00A 2.3-5.5V, 1A Synchronous Step-down Switcher Evaluation Board QFN10
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pMPS EVM3811-G-00A — Synchronous Step-down Switcher, 2.3-5.5V input, 1 A output, QFN10./p
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EVM3811-G-00A 2.3-5.5V, 1A Synchronous Step-down Switcher Evaluation Board QFN10
The MPS EVM3811-G-00A is an evaluation board built around the MPM3811 for bench characterisation of the device in its intended topology. It operates from a 2.3 V to 5.5 V input, is rated for 1 A and switches at 2.2 MHz. The board carries the device in its QFN10 package.
The MPM3811 is a monolithic step-down switch mode converter with built-in power MOSFETs and inductor.
Key Specifications
| Part Number | EVM3811-G-00A |
| Board For | MPM3811 |
| Board Type | Evaluation / demonstration board |
| Function | Synchronous Step-down Switcher |
| Input Voltage | 2.3 V to 5.5 V |
| Current Rating | 1 A |
| Switching Frequency | 2.2 MHz |
| Peak Efficiency | 91% |
| Package | QFN10 |
| Ordering Codes | EVM3811-G-00A |
Features
- Up to 91% Peak Efficiency
- Wide 2.3V to 5.5V Operating Input Range
- Output Voltage as Low as 0.6V
- 100% Duty Cycle in Dropout
- 1A Output Current
- 120mΩ and 80mΩ Internal Power MOSFET.
- 2.2MHz Frequency
- EN for Power Sequencing
- Cycle-by-Cycle Over Current Protection
- 0.5ms Internal Soft-Start Time
Evaluation Board
Design Notes
- The board ships in a default configuration; check the jumper and resistor options against the user guide before applying power.
- Respect the input terminal rating — most faults on evaluation boards come from an supply above the marked limit.
- Test points on the switching node and output are for a short-ground probe, not for a long oscilloscope lead.
- Where a GUI is supported, connect the dongle before power-up so the device enumerates on the I²C bus.
Common Questions
What input voltage does the EVM3811-G-00A support?
2.3 V to 5.5 V. The rated output is 1 A.
Which package and ordering codes apply to the EVM3811-G-00A?
QFN10; order codes include EVM3811-G-00A.
What are the defining features of the EVM3811-G-00A?
Up to 91% Peak Efficiency Wide 2.3V to 5.5V Operating Input Range
Shenzhen Gaorunxin Technology Co., Ltd
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