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AP2820 Datasheet

2.0A HIGH-SIDE POWER DISTRIBUTION SWITCH

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PART OBSOLETE –
USE AP22811AM8-13, AP22811BM8-13
AP2820
2.0A HIGH-SIDE POWER DISTRIBUTION SWITCH WITH ENABLE AND FLAG
Description
The AP2820 is an integrated high-side power switch that consists of
TTL compatible enables input, a charge pump, and N-Channel
MOSFET. The switch’s low RDS (ON), 70m, meets USB voltage
drop requirements. The device includes soft-start to limit inrush
current, overcurrent protection with foldback, and thermal shutdown to
avoid switch failure during hot plug-in. Undervoltage lockout (UVLO)
function ensures the device remains 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, MSOP-8,
and SOT-23-5.
Pin Assignments
(Top View)
GND 1
VIN 2
VIN 3
EN/EN 4
8 VOUT
7 VOUT
6 VOUT
5 FLAG
SOIC-8/MSOP-8
(Top View)
FLAG 1
GND 2
EN/EN 3
5 VOUT
4 VIN
SOT-23-5
Features
Low MOSFET on Resistance: 70m@ VDD=5.0V
Compliant to USB Specifications
Operating Voltage Range: 2.7V to 6V
Low Shutdown Current: <1µA
Guarantee 2.0A Continuous Load
Current Limit: 2.2A (Minimum), 3.2A (Maximum)
Undervoltage Lockout
Soft Start-up
Overcurrent Protection
Overtemperature Protection
Load Short Protection With Foldback
No Reverse Current When Power Off
Deglitched Flag Output with Open Drain
UL Approved (Code TBD)
Applications
USB Power Management
USB Bus/Self Powered Hubs
Hot-Plug Power Supplies
Battery-Charger Circuits
Notebook, Motherboard PCs
Typical Applications Circuit
VIN= 5V
C IN
( Note 1)
22µ F
Enable
R
10 k
VIN
FLAG
AP2820
EN/EN
VOUT
GND
USB Controller
COUT
22µ F
VBUS
D+
D-
GND
Note:
1. 1µF input capacitor is enough in most application cases. If the PCB trace of power rail to VIN is long, larger input capacitor is necessary.
AP2820
Document number: DS41255 Rev. 1 - 4
1 of 7
www.diodes.com
September 2018
© Diodes Incorporated


Diodes Semiconductor Electronic Components Datasheet

AP2820 Datasheet

2.0A HIGH-SIDE POWER DISTRIBUTION SWITCH

No Preview Available !

Pin Descriptions
Pin Number
SOIC-8/MSOP-8
SOT-23-5
1
2
2, 3
4
4
3
5
1
6, 7, 8
5
AP2820
Pin Name
GND
VIN
EN/EN
FLAG
VOUT
Function
Ground
Supply Input Pin
Chip Enable Control Input, Active Low or High
Fault Flag Pin, Output With Open Drain, Requires a Pull-Up Resistor
in Application, Active Low To Indicate OCP or OTP
Switch Output Voltage
Absolute Maximum Ratings (Note 2)
Note:
Symbol
VIN
TJ
TSTG
TLEAD
ϴJA
Parameter
Power Supply Voltage
Operating Junction Temperature Range
Storage Temperature Range
Lead Temperature (Soldering, 10s)
Thermal Resistance (Junction to Ambient)
ESD (Machine Model)
ESD (Human Body Model)
Rating
6.5
+150
-65 to +150
+260
SOIC-8
TBD
MSOP-8
TBD
SOT-23-5
TBD
200
2000
Unit
V
°C
°C
°C
°C/W
V
V
2. Stresses greater than those listed under Absolute Maximum Ratings can cause permanent damage to the device. These are stress ratings only, and
functional operation of the device at these or any other conditions beyond those indicated under Recommended Operating Conditions is not implied.
Exposure to Absolute Maximum Ratings for extended periods can affect device reliability.
Recommended Operating Conditions
Symbol
VIN
TA
Supply Voltage
Parameter
Ambient Operation Temperature Range
Min
Max
Unit
2.7
6.0
V
-40
+85
°C
AP2820
Document number: DS41255 Rev. 1 - 4
2 of 7
www.diodes.com
September 2018
© Diodes Incorporated


Part Number AP2820
Description 2.0A HIGH-SIDE POWER DISTRIBUTION SWITCH
Maker DIODES
PDF Download

AP2820 Datasheet PDF






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