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EV2148-QD-00B 2.3-5.5V, 1A Synchronous Step-down Converter Evaluation Board QFN-6
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pMPS EV2148-QD-00B — Synchronous Step-down Converter, 2.3-5.5V input, 1 A output, QFN-6./p
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EV2148-QD-00B 2.3-5.5V, 1A Synchronous Step-down Converter Evaluation Board QFN-6
The MPS EV2148-QD-00B is an evaluation board built around the MP2148 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 QFN-6 package.
The MP2148 is a monolithic, step-down, switch- mode converter with built-in internal power MOSFETs.
Key Specifications
| Part Number | EV2148-QD-00B |
| Board For | MP2148 |
| Board Type | Evaluation / demonstration board |
| Function | Synchronous Step-down Converter |
| Input Voltage | 2.3 V to 5.5 V |
| Current Rating | 1 A |
| Switching Frequency | 2.2 MHz |
| Package | QFN-6 |
| Ordering Codes | EV2148-QD-00B |
Features
- Low IQ: 11μA
- 2.2MHz Switching Frequency
- EN for Power Sequencing
- Power Good Only for Fixed Output Version
- Wide 2.3V-to-5.5V Operating Input Range
- Output Adjustable from 0.6V
- Up to 1A Output Current
- 120mΩ and 80mΩ Internal Power MOSFET Switches
- Output Discharge
- 100% Duty Cycle
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 EV2148-QD-00B support?
2.3 V to 5.5 V. The rated output is 1 A.
Which package and ordering codes apply to the EV2148-QD-00B?
QFN-6; order codes include EV2148-QD-00B.
What are the defining features of the EV2148-QD-00B?
Low IQ: 11μA 2.2MHz Switching Frequency
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