The MIC2039 is a high-side MOSFET power distribution switch providing increased system reliability by using 5% current limit accuracy. The MIC2039 has an operating input voltage range from 2.5V to 5.5V, is internally current limited, and has thermal shutdown to protect the device and system.

±5% current limit accuracy
Input supply range from 2.5V to 5.5V
Low quiescent current: 100μA typical (switch ON)
75mΩ typical RDS(ON) at 5.0V
0.2A to 2.5A adjustable output current
Kickstart - momentary secondary current limit threshold (120ms period)
Soft-start functionality
Undervoltage lockout (UVLO)
Fast 10μs short-circuit response time (non-Kickstart options)
Fault status output flag
Logic controlled enable (active-high, active-low)
Thermal shutdown
Pin compatible with the MIC2009/MIC2019
6-pin 2mm x 2mm thin DFN and 6-pin SOT-23 packages
Junction temperature range from −40°C to +125°C