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The MP8758H is a fully integrated, high-frequency, synchronous, rectified, step-down converter. It offers a very compact solution to achieve a 10A output current with excellent load and line regulation over a wide input supply range. The MP8758H employs a constant-on-time (COT) control scheme, which provides fast transient response and eases loop stabilization. The COT control scheme provides a seamless transition into PFM mode at light-load operation, which boosts light-load efficiency. An open-drain power good signal indicates that the output voltage is within its nominal voltage range. Full protection features include over-current protection (OCP), over-voltage and under-voltage protection (OVP, UVP), and thermal shutdown. The MP8758H requires a minimal number of readily available, external components and is available in a QFN-21 (3mmx4mm) package.
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Features & Benefits
- Wide 4.5V to 22V Operating Input Range
- 10A Continuous Output Current
- Low RDS(ON) Internal Power MOSFETs
- Proprietary Switching Loss Reduction
- Internal Soft Start
- Output Discharge
- 500kHz Switching Frequency
- PFM/PWM Mode Selection
- Hiccup Mode, OCP, OVP, and UVP
- Auto-Retry Thermal Shutdown
- Output Adjustable from 0.604V
The EV8758H-L-00A is used for demonstrating the performance of MP8758H, a fully-integrated, high efficiency, synchronous step-down switch mode converter. MP8758H provides up to 10A continuous output current over a wide input supply range with constant-on-time control for fast loop response.
The Evaluation Board can deliver 10A continuous load current from a 4.5V to 22V input with excellent load and line regulation.
This part requires minimum number of external components and is available in QFN21 (3mmx4mm) package