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Diodes Semiconductor Electronic Components Datasheet

AP2820 Datasheet

High-side Power Distribution Switch

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High-side Power Distribution Switch with Enable and Flag AP2820
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 RDS(ON), 60mΩ, 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: 60mΩ
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:
75μA (Typ.) (For A/B/C/D versions)
80μA (Typ.) (For E/F/G/H versions)
Low Shutdown Current: 1.0μA (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
Jul. 2012 Rev 1. 7
SOIC-8
MSOP-8
Figure 1. Package Types of AP2820
BCD Semiconductor Manufacturing Limited
1


Diodes Semiconductor Electronic Components Datasheet

AP2820 Datasheet

High-side Power Distribution Switch

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Advance Datasheet
High-side Power Distribution Switch with Enable and Flag AP2820
Pin Configuration
M/MM Package
SOIC-8/MSOP-8
Figure 2. Pin Configuration of AP2820 (Top View)
Pin Descriptions
Pin Number
1
2, 3
4
5
6, 7, 8
Pin Name
GND
VIN
VOUT
Function
Ground
Supply input pin
Chip enable control input, active low or high
Fault flag pin, output with open drain, need a pull-up resistor
in application, active low to indicate OCP or OTP
Switch output voltage
Jul. 2012 Rev 1. 7
BCD Semiconductor Manufacturing Limited
2


Part Number AP2820
Description High-side Power Distribution Switch
Maker BCD
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AP2820 Datasheet PDF






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