SY6280A

Application Note: SY6280/SY6280A 5.5V, 2A Low Loss Power Distribution Switch General Description SY6280/ SY6280A is ultra-low RDS(ON) switch with programmable current limit to protect the power source from over current and short circuit conditions. They incorporate over temperature protection and reverse blocking functions. SY6280 automatically discharges the output capacitors during shutdown. Ordering Information SY6280□(□□)□ Temperature Code Package Code Optional Spec Code Temperature Range: -40°C to 85°C Ordering Number Package type SY6280AAC SOT23-5 SY6280AAAC SOT23-5 Note ------- Features Input voltage: 2.4V to 5.5V 2A load current capability Programmable current limit Enable polarity: active high Over temperature protection Reverse blocking (no body diode) OUT can be forced higher than IN at shutdown Output discharge function SY6280: Auto output discharge function SY6280A: No output discharge function Compact SOT23-5 package minimizes the board space Applications USB 3G Datacard USB Dongle MiniPCI Accessories Typical Applications Figure 1. Schematic Diagram(1A current limit) SY6280/A Rev1.0C Silergy Corp. Confidential- Prepared for Customer Use Only 1 Pinout (top view) SY6280/SY6280A OUT 1 5 IN GND 2 ISET 3 4 EN (SOT23-5) Top mark: COxyz for SY6280 (Device code: CO, x=year code, y=week code, z= lot number code) QWxyz for SY6280A (Device code: QW, x=year code, y=week code, z= lot number code) Pin Name Pin number Pin D...