Diodes AP2820 User Manual
Advance datasheet, General description, Applications

Advance Datasheet
High-side Power Distribution Switch with Enable and Flag AP2820
Jul. 2012 Rev 1. 7 BCD Semiconductor Manufacturing Limited
1
General Description
The AP2820 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 R
DS(ON)
, 60m
Ω, is designed
to meet USB voltage drop requirements. The IC
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 AP2820 is available in standard packages of
SOIC-8 and MSOP-8.
Applications
•
USB Power Management
•
USB Bus/Self Powered Hubs
•
Hot-plug Power Supplies
•
Battery-charger Circuits
•
Notebooks, Motherboard PCs
Features
•
Low MOSFET on Resistance: 60m
Ω
•
Compliant to USB Specifications
•
Available 2 Versions of Load Ability:
Guarantee 2.0A Continuous Load for A/B/C/D
Version
Guarantee 2.5A Continuous Load for E/F/G/H
Version
•
Logic Level Enable Pin: Available with
Active-high or Active-low Version
•
Operating Voltage Range: 2.7V to 5.5V
•
Low Supply Current:
75
μA (Typ.) (For A/B/C/D versions)
80
μA (Typ.) (For E/F/G/H versions)
•
Low Shutdown Current: 1.0
μA (Max)
•
Under-voltage Lockout
•
Soft Start-up
•
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/E/G Versions
•
UL Approved (File No. E339337)
•
Nemko CB Scheme IEC60950-1, Ref. Certif
No. NO62093
Figure 1. Package Types of AP2820
SOIC-8 MSOP-8