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EVBL4423A-Q-00A 4-36V, 3A Synchronous Step-Down Converter Evaluation Board QFN-8
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pMPS EVBL4423A-Q-00A — Synchronous Step-Down Converter Evaluation Board, 4-36V input, 3 A output, QFN-8, AEC-Q100./p
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EVBL4423A-Q-00A 4-36V, 3A Synchronous Step-Down Converter Evaluation Board QFN-8
The MPS EVBL4423A-Q-00A is an evaluation board built around the MP4423A for bench characterisation of the device in its intended topology. It operates from a 4 V to 36 V input, is rated for 3 A and switches at 410 kHz. The board carries the device in its QFN-8 package.
The EVBL4423A-Q-00A is an evaluation board for the MP4423A/MPQ4423A with MPS power inductor stuffed.
Key Specifications
| Part Number | EVBL4423A-Q-00A |
| Board For | MP4423A |
| Board Type | Evaluation / demonstration board |
| Function | Synchronous Step-Down Converter Evaluation Board |
| Input Voltage | 4 V to 36 V |
| Current Rating | 3 A |
| Switching Frequency | 410 kHz |
| Package | QFN-8 |
| Qualification | AEC-Q100 |
| Ordering Codes | EVBL4423A-Q-00A |
Features
- Wide 4V to 36V Continuous Operating Input Range
- 85mΩ/55mΩ Low RDS(ON) Internal Power MOSFETs
- High-Efficiency Synchronous Mode Operation
- Forced CCM Mode with default 410kHz Switching Frequency
- Synchronizes to a 200kHz to 2.2MHz External Clock
- High Duty Cycle for Automotive Cold-crank
- Internal Soft-Start
- Power Good
- Over-Current Protection (OCP) and Hiccup
- Thermal Shutdown
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 EVBL4423A-Q-00A support?
4 V to 36 V. The rated output is 3 A.
Which package and ordering codes apply to the EVBL4423A-Q-00A?
QFN-8; order codes include EVBL4423A-Q-00A.
What are the defining features of the EVBL4423A-Q-00A?
Wide 4V to 36V Continuous Operating Input Range 85mΩ/55mΩ Low RDS(ON) Internal Power MOSFETs
Is the EVBL4423A-Q-00A qualified for automotive designs?
Yes — it is AEC-Q100 qualified. Confirm the grade against the qualification summary in the datasheet before specifying it on a safety-related rail.
Shenzhen Gaorunxin Technology Co., Ltd
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