MP9186 6A, 300kHz Synchronous Step-Down Converter QFN14

MP9186 6A, 300kHz Synchronous Step-Down Converter QFN14

Key Specifications

Features

• Wide 4.5V-to-20V Operating Input Range
• 6A Output Current
• Low RDS(ON) Internal Power MOSFETs
• Programmable Switching Frequency
• Programmable EN Delay
• Frequency SYNC from 300kHz to 2MHz External Clock
• Low Power Mode Selectable by an External Signal
• External Soft Start
• OCP and Thermal Shutdown
• Available in a 14-pin 3x3mm QFN Package

Applications

• DSL Modems
• Cable Modems

Design Notes

• The step-down topology needs an inductor and output capacitor sized for the ripple at the switching frequency, not just the DC load.
• Keep the input loop short — high di/dt at the switch node sets conducted EMI.
• Power switches are integrated, so the thermal path is the PCB copper under the pad.
• Package QFN14 — check the land pattern in the datasheet before layout.

Common Questions