The MIC2027-2BM and MIC2077 are quad high-side MOSFET switchesoptimized for general-purpose power distribution requiring circuit protection.The MIC2027/77 are internally current limited and have thermal shutdown thatprotects the device and load.
The MIC2077 offers “smart” thermal shutdown thatreduces current consumption in fault modes. When a thermal shutdown faultoccurs, the output is latched off until the faulty load is removed. Removingthe load or toggling the enable input will reset the device output. Bothdevices employ soft-start circuitry that minimizes inrush current inapplications where highly capacitive loads are employed. A fault status outputflag is asserted during overcurrent and thermal shutdown conditions. Transientcurrent limit faults are internally filtered. The MIC2027/77 are available in16-pin narrow (150 mil) and wide (300 mil) SOIC packages.
Feature
- 150mΩ maximum on-resistance per channel
- 2.7V to 5.5V operating range
- 500mA minimum continuous current per channel
- Short-circuit protection with thermal shutdown
- Thermally isolated channels
- Fault status flag with 3ms filter eliminates false assertions
- Undervoltage lockout
- Reverse current flow blocking (no "body diode")
- Circuit breaker mode (MIC2077)
- Logic-compatible inputs
- Soft-start circuit
- Low quiescent current
- Pin compatible with MIC2524 and MIC2527
- UL recognized
