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EV4255-VE-00A 4-36V, 3A Dual-Channel Buck Converter Evaluation Board QFN-21
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pMPS EV4255-VE-00A — Dual-Channel Buck Converter, 4-36V input, 3 A output, QFN-21./p
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EV4255-VE-00A 4-36V, 3A Dual-Channel Buck Converter Evaluation Board QFN-21
The MPS EV4255-VE-00A is an evaluation board built around the MP4255 for bench characterisation of the device in its intended topology. It operates from a 4 V to 36 V input and is rated for 3 A. The board carries the device in its QFN-21 package.
The EV4255-VE-00A is an evaluation board designed to demonstrate the capabilities of the MP4255, a dual-channel, monolithic, step-down converter with an I2C interface.
Key Specifications
| Part Number | EV4255-VE-00A |
| Board For | MP4255 |
| Board Type | Evaluation / demonstration board |
| Function | Dual-Channel Buck Converter |
| Input Voltage | 4 V to 36 V |
| Current Rating | 3 A |
| Interface | I²C |
| Package | QFN-21 |
| Ordering Codes | EV4255-VE-00A |
Features
- Dual-Channel 3A or Shared 6A Output Current
- Wide 4V to 36V Input Voltage Range
- 1V to 36V Output Voltage Range with 12.6mV Resolution, VOUT Scale Loop = 0.0635
- 250kHz, 420kHz, 1.1MHz, or 2.1MHz Configurable Switching Frequency
- Frequency Spread Spectrum
- Low-Dropout Mode
- Line Drop Compensation
- Configurable Constant Current (CC) Output Current Limiting, 50mA/Step via the I2C
- Short-Circuit Protection (SCP)
- Internal, Low RDS(ON) 22mΩ High-Side MOSFET (HS-FET) and 26mΩ Low-Side MOSFET (LS-FET)
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 EV4255-VE-00A support?
4 V to 36 V. The rated output is 3 A.
Which package and ordering codes apply to the EV4255-VE-00A?
QFN-21; order codes include EV4255-VE-00A.
What are the defining features of the EV4255-VE-00A?
Dual-Channel 3A or Shared 6A Output Current Wide 4V to 36V Input Voltage Range
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