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AP2805 Datasheet(PDF) 1 Page - BCD Semiconductor Manufacturing Limited |
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AP2805 Datasheet(HTML) 1 Page - BCD Semiconductor Manufacturing Limited |
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1 / 16 page  Data Sheet 500mA High-side Power Distribution Switch with Enable and Flag AP2805 Aug. 2012 Rev 1. 0 BCD Semiconductor Manufacturing Limited 1 General Description The AP2805 is an integrated high-side power switch that consists of N-Channel MOSFET, charge pump, over current & temperature and other related protection circuits. The switch’s low RDS (ON), 60mΩ, design easily to meet USB voltage drop requirements. It includes soft-start to limit inrush current, over-current protection, load short protection with fold-back, and thermal shutdown to avoid switch failure during hot plug-in. Under voltage lockout (UVLO) function is used to ensure the device remain off unless there is a valid input voltage present. A Flag output is available to indicate fault conditions to the local USB controller. The AP2805 is available in standard packages of SOIC-8 and MSOP-8. Features • Low MOSFET on Resistance: 60mΩ@VIN=5.0V • Compliant to USB Specifications • Operating Voltage Range: 2.7V to 5.5V • Low Supply Current: 60µA (Typ.) • Low Shutdown Current: 1.0µA (Max) • Guarantee 0.5A Continuous Load • Current Limit: 0.7A (Min), 1.4A (Max) • Under-voltage Lockout • Logic Level Enable Pin: Available in Active-high or Active-low Version • Over-current Protection • Over Temperature Protection • Load Short Protection with Fold-back • No Reverse Current When Power Off • Deglitched Flag Output with Open Drain • With Output Shutdown Pull-low Resistor for A/C Versions • UL Approved (File No. E339337) • Nemko CB Scheme IEC60950-1, Ref. Certif No. NO67288 Applications • USB Power Management • USB Bus/Self Powered Hubs • Hot-plug Power Supplies • Battery-charger Circuits • Notebooks, Motherboard PCs Figure 1. Package Types of AP2805 SOIC-8 MSOP-8 |
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