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EVQ9840-L-00A 5-36V, 3.5A Low Quiescent Current Synchronous Step-Down Convertor Evaluation Board QFN-16
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pMPS EVQ9840-L-00A — Low Quiescent Current Synchronous Step-Down Convertor Evaluation Board, 5-36V input, 3.5 A output, QFN-16./p
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EVQ9840-L-00A 5-36V, 3.5A Low Quiescent Current Synchronous Step-Down Convertor Evaluation Board QFN-16
The MPS EVQ9840-L-00A is an evaluation board built around the MPQ9840 for bench characterisation of the device in its intended topology. It operates from a 5 V to 36 V input, is rated for 3.5 A and switches at 450 kHz. The board carries the device in its QFN-16 package.
The EVQ9840-L-00A Evaluation Board is designed to demonstrate the capabilities of MPS' MP/MPQ9840.
Key Specifications
| Part Number | EVQ9840-L-00A |
| Board For | MPQ9840 |
| Board Type | Evaluation / demonstration board |
| Function | Low Quiescent Current Synchronous Step-Down Convertor Evaluation Board |
| Input Voltage | 5 V to 36 V |
| Current Rating | 3.5 A |
| Switching Frequency | 450 kHz |
| Package | QFN-16 |
| Ordering Codes | EVQ9840-L-00A |
Features
- Wide 5V to 36V Operating Input Range 3.5A Continuous Output Current
- 2μA Low Shutdown Mode Current
- 14μA Sleep Mode Quiescent Current
- Internal 125mΩ High-Side and 55mΩ Low- Side MOSFETs
- 350kHz to 2.5MHz Programmable Switching Frequency
- Synchronize to External Clock Selectable In-Phase or 180° Out-of-Phase
- Power Good Indicator
- Programmable Soft-Start Time
- 80ns Minimum On Time
- Selectable Forced CCM and AAM
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 EVQ9840-L-00A support?
5 V to 36 V. The rated output is 3.5 A.
Which package and ordering codes apply to the EVQ9840-L-00A?
QFN-16; order codes include EVQ9840-L-00A.
What are the defining features of the EVQ9840-L-00A?
Wide 5V to 36V Operating Input Range 3.5A Continuous Output Current 2μA Low Shutdown Mode Current
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