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EVQ4431-L-00A 3.3-36V, 1A Synchronous Step-Down Converter Evaluation Board QFN-16
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pMPS EVQ4431-L-00A — Synchronous Step-Down Converter Evaluation Board, 3.3-36V input, 1 A output, QFN-16./p
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EVQ4431-L-00A 3.3-36V, 1A Synchronous Step-Down Converter Evaluation Board QFN-16
The MPS EVQ4431-L-00A is an evaluation board built around the MP4431 for bench characterisation of the device in its intended topology. It operates from a 3.3 V to 36 V input, is rated for 1 A and switches at 450 kHz. The board carries the device in its QFN-16 package.
The EVQ4431-L-00A evaluation board is designed to demonstrate the capabilities of the MP4431 and the MPQ4431.
Key Specifications
| Part Number | EVQ4431-L-00A |
| Board For | MP4431 |
| Board Type | Evaluation / demonstration board |
| Function | Synchronous Step-Down Converter Evaluation Board |
| Input Voltage | 3.3 V to 36 V |
| Current Rating | 1 A |
| Switching Frequency | 450 kHz |
| Package | QFN-16 |
| Ordering Codes | EVQ4431-L-00A |
Features
- Wide 3.3V to 36V Operating Input Voltage Range
- 1A of Continuous Output Current
- 1μA Low Shutdown Mode Current
- 10μA Sleep Mode Quiescent Current
- Internal 90mΩ High-Side and 80mΩ Low- Side MOSFETs
- 350kHz to 2.5MHz Configurable Switching Frequency
- Synchronize to External Clock, Selectable In-Phase or 180° Out-of-Phase
- Power Good Indicator
- Configurable Soft-Start Time
- 80ns Minimum On 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 EVQ4431-L-00A support?
3.3 V to 36 V. The rated output is 1 A.
Which package and ordering codes apply to the EVQ4431-L-00A?
QFN-16; order codes include EVQ4431-L-00A.
What are the defining features of the EVQ4431-L-00A?
Wide 3.3V to 36V Operating Input Voltage Range 1A of Continuous Output Current
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