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EV2149-J-00A 2.7-6V Dual 1A Low Quiescent Current SYNC Buck Regulator Evaluation Board TSOT23
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pMPS EV2149-J-00A — Dual 1A Low Quiescent Current SYNC Buck Regulator, 2.7-6V input, 1 A output, TSOT23./p
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EV2149-J-00A 2.7-6V Dual 1A Low Quiescent Current SYNC Buck Regulator Evaluation Board TSOT23
The MPS EV2149-J-00A is an evaluation board built around the MP2149 for bench characterisation of the device in its intended topology. It operates from a 2.7 V to 6 V input, is rated for 1 A and switches at 1 MHz. The board carries the device in its TSOT23 package.
The EV2149-J-00A is used for demonstrating the performance of MPS's MP2149, an internally compensated 1MHz fixed-frequency dual PWM synchronous step-down regulator.
Key Specifications
| Part Number | EV2149-J-00A |
| Board For | MP2149 |
| Board Type | Evaluation / demonstration board |
| Function | Dual 1A Low Quiescent Current SYNC Buck Regulator |
| Input Voltage | 2.7 V to 6 V |
| Current Rating | 1 A |
| Switching Frequency | 1 MHz |
| Quiescent Current | 45 µA |
| Interface | PWM |
| Package | TSOT23 |
| Ordering Codes | EV2149-J-00A |
Features
- Dual 1A Output Current
- >93% Peak Efficiency
- >80% Light Load Efficiency
- Wide 2.7V to 6V Operating Input Range
- 100mΩ and 40mΩ Internal Power MOSFET
- 1MHz Fixed Switching Frequency
- Adjustable Output from 0.608V to VIN
- 180° Phase-Shifted Operation
- 100% Duty Cycle Operation
- 45µA Quiescent Current
Evaluation Board
Applications
- Small/Handhold Devices
- DVD Drivers
- Portable Instruments
- Smartphone and Feature Phones
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 EV2149-J-00A support?
2.7 V to 6 V. The rated output is 1 A.
Which package and ordering codes apply to the EV2149-J-00A?
TSOT23; order codes include EV2149-J-00A.
What are the defining features of the EV2149-J-00A?
Dual 1A Output Current >93% Peak Efficiency
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