High-Efficiency, 1400kHz, 12A, 18V Step-Down ConverterEvaluation Board
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The EV8774H-Q-00AEvaluation Board is designed to demonstrate the capabilities of MPS’ MP8774H, a fully-integrated high-frequency, synchronous rectified, step-down, switch-mode converter with internal power MOSFETs. It offers a very compact solution to achieve a 12A continuous output current over a wide input range, with excellent load and line regulation. The MP8774H has synchronous-mode operation for higher efficiency over the output current-load range.
Constant On-Time control operation provides very fast transient response and easy loop design as well as very tight output regulation.
Full protection features include SCP, OCP, UVP, and thermal shutdown.
The MP8774H requires a minimal number of readily-available, standard, external components and is available in a space-saving QFN-16 (3mmх3mm) package.
- Wide 3V-to-18V Operating Input Range
- 16mΩ/5.5mΩ Low-RDS(ON) Internal Power MOSFETs
- 100µA Low IQ Current
- High-Efficiency Synchronous-Mode Operation
- Pre-biased Startup
- Fixed 1400kHz Switching Frequency
- External Programmable Soft Startup Time
- EN and Power Good for Power Sequencing
- Over-Current Protection and Hiccup
- Thermal Shutdown
- Available in a QFN-16 (3mmх3mm) package
12A, Wide-Input 3V to 18V, 1.4MHz Synchronous Step-Down Converter with PG and External Soft Start in 3mmx3mm QFN Package
The MP8774H is a fully integrated, high-frequency, synchronous, rectified, step-down, switch-mode converter with internal power MOSFETs. The MP8774H offers a very compact solution that achieves 12A of continuous output current with excellent load and line regulation over a wide input range. The MP8774H uses synchronous mode operation for higher efficiency over the output current load range.
Constant-on-time (COT) control operation provides very fast transient response, easy loop design, and very tight output regulation.
Full protection features include short-circuit protection (SCP), over-current protection (OCP), under-voltage protection (UVP), and thermal shutdown.
The MP8774H requires a minimal number of readily available, standard external components, and is available in a space-saving QFN-16 (3mmx3mm) package.