Features
- Single USB Port Power Switches
- Over-Current and Thermal Protection
- 2.1A Accurate Current Limiting
- Reverse Current Blocking
- 95mΩ On-Resistance
- Input Voltage Range: 2.7V to 5.5V
- 0.6ms Typical Rise Time
- Very Low Shutdown Current: 1μA (Max)
- Fault Report (FLG) with Blanking Time (7ms Typ)
- ESD Protection: 4kV HBM, 300V MM
- Active Low (AP2181A) or Active High (AP2191A) Enable
- Ambient Temperature Range: -40°C to +85°C
- SOT25, SO-8, MSOP-8EP (Exposed Pad), and U-DFN2018-6: Available in “Green” Molding Compound (No Br, Sb)
- Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
- Halogen and Antimony Free. “Green” Device (Note 3)
- UL Recognized, File Number E322375
- IEC60950-1 CB Scheme Certified

Applications
- Consumer Electronics – LCD TV & Monitor, Game Machines
- Communications – Set-Top Box, GPS, Smartphone
- Computing – Laptop, Desktop, Servers, Printers, Docking Station, HUB