MIC2549A Description
The MIC2545A and MIC2549A are integrated high-side power switches optimized for low-loss DC power switching and other power-management applications, including advanced configuration and power interface (ACPI). The MIC2545A/49A is a cost-effective, highly-integrated solution that requires few external ponents to satisfy USB and ACPI requirements.
MIC2549A Key Features
- 2.7V to 5.5V input
- Adjustable current-limit up to 3A
- Reverse current flow blocking
- 90µA typical on-state supply current
- 1µA typical off-state supply current
- 50mΩ maximum on-resistance
- Open-drain fault flag
- Thermal shutdown
- Thermal-shutdown output latch (MIC2549A)
- 2ms (slow) soft-start turn-on, fast turnoff
MIC2549A Applications
- 2.7V to 5.5V input
- Adjustable current-limit up to 3A