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EV2481-H-01A 4.5-26V, 1.2A White LED Driver Buck/Boost Halogen Replacement Evaluation Board MSOP8
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pMPS EV2481-H-01A — White LED Driver Buck/Boost Halogen Replacement Evaluation Board, 4.5-26V input, 1.2 A output, MSOP8./p
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EV2481-H-01A 4.5-26V, 1.2A White LED Driver Buck/Boost Halogen Replacement Evaluation Board MSOP8
The MPS EV2481-H-01A is an evaluation board built around the MP2481 for bench characterisation of the device in its intended topology. It operates from a 4.5 V to 26 V input, is rated for 1.2 A and switches at 1.4 MHz. The board carries the device in its MSOP8 package.
The EV2481-H-01A is a Buck-Boost converter evaluation board for the MP2481, a wide input step-up/down converter designed for driving up to 27 white LEDs.
Key Specifications
| Part Number | EV2481-H-01A |
| Board For | MP2481 |
| Board Type | Evaluation / demonstration board |
| Function | White LED Driver Buck/Boost Halogen Replacement Evaluation Board |
| Input Voltage | 4.5 V to 26 V |
| Current Rating | 1.2 A |
| Switching Frequency | 1.4 MHz |
| Interface | PWM |
| Peak Efficiency | 85% |
| Package | MSOP8 |
| Ordering Codes | EV2481-H-01A |
Features
- Wide 4.5V to 26V Operating Input Range for Inverting Step-up/down Applications
- Drives up to 27 White LEDs
- Up to 85% Efficiency
- Analog and PWM Dimming
- Cycle-by-Cycle Over Current Protection
- Thermal Shutdown Protection
- Open Strings Protection
- Input Over Voltage Protection
- Output short circuit protection
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 EV2481-H-01A support?
4.5 V to 26 V. The rated output is 1.2 A.
Which package and ordering codes apply to the EV2481-H-01A?
MSOP8; order codes include EV2481-H-01A.
What are the defining features of the EV2481-H-01A?
Wide 4.5V to 26V Operating Input Range for Inverting Step-up/down Applications Drives up to 27 White LEDs
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