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EV2321-D-00A 4-19V, 2A Constant-On-Time Step-Down Switcher Evaluation Board QFN14
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pMPS EV2321-D-00A — Constant-On-Time Step-Down Switcher Evaluation Board, 4-19V input, 2 A output, QFN14./p
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EV2321-D-00A 4-19V, 2A Constant-On-Time Step-Down Switcher Evaluation Board QFN14
The MPS EV2321-D-00A is an evaluation board built around the MP2321 for bench characterisation of the device in its intended topology. It operates from a 4 V to 19 V input and is rated for 2 A. The board carries the device in its QFN14 package.
The EV2321-D-00A is used for demonstrating the performance of MP2321, a fully-integrated, high efficiency, synchronous step-down switch mode converter with the feathered 40uA quiescent current.
Key Specifications
| Part Number | EV2321-D-00A |
| Board For | MP2321 |
| Board Type | Evaluation / demonstration board |
| Function | Constant-On-Time Step-Down Switcher Evaluation Board |
| Input Voltage | 4 V to 19 V |
| Current Rating | 2 A |
| Quiescent Current | 40 µA |
| Interface | PWM |
| Package | QFN14 |
| Ordering Codes | EV2321-D-00A |
Features
- 4V to 19V Operating Input Range
- 2A Output Current
- 40μA Quiescent Current
- Output Adjustable from 0.6V
- 110mΩ/40mΩ High Side/Low Side RDS(ON) for Internal Power MOSFETs
- Power Good Indicator
- Programmable Soft-Start Time
- Forced PWM or Auto PFM/PWM Mode Selectable
- Programmable Switching Frequency
- Thermal Shutdown
Evaluation Board
Applications
- Tablet PCs
- Solid State Drives
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 EV2321-D-00A support?
4 V to 19 V. The rated output is 2 A.
Which package and ordering codes apply to the EV2321-D-00A?
QFN14; order codes include EV2321-D-00A.
What are the defining features of the EV2321-D-00A?
4V to 19V Operating Input Range 2A Output Current
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