MP5010B 3-18V 3V-18V, 1A-5A Programmable-Current- Limit Switch QFN10

MP5010B 3-18V 3V-18V, 1A-5A Programmable-Current- Limit Switch QFN10

The MP5010B is a protection device designed to protect circuitry on the output (source) from transients on the input (VCC).

Key Specifications

Features

• Wide 3V-to-18V Operating Input Range
• 5.7V Output Over-Voltage Clamp
• Integrated 40mΩ Power FET
• Enable/Fault Pin
• Adjustable Output Voltage Slew Rate
• Adjustable Current Limit
• Thermal Protection

Typical Application Circuit

Applications

• Hot-Swappable Devices
• Wireless Modem Data Cards
• PC Cards

Design Notes

• The current-limit threshold must stay inside the SOA of the pass device at the applied voltage, including startup inrush.
• Hot-swap inrush control is set by the slew rate on the gate or the dV/dt capacitor — too fast trips the upstream supply.
• Reverse-current blocking behaviour differs between ideal-diode and load-switch topologies; pick the one that matches the fault you are protecting against.
• Route the fault flag to a pin the firmware actually polls; a latch-off protection with no report looks like a dead board in the field.

Common Questions