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AP2822 Datasheet

0.5A to 2.0A HIGH-SIDE POWER DISTRIBUTION SWITCHES

No Preview Available !

NOT RECOMMENDED FOR NEW DESIGN -
NO ALTERNATE PART
AP2822
0.5A to 2.0A HIGH-SIDE POWER DISTRIBUTION SWITCHES
Description
The AP2822 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), 85mis 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 AP2822 is available in the standard package of SOT-23-5.
Features
Low MOSFET On Resistance: 85m
Compliant to USB Specifications
Available 4 Versions of Continuous Load: 0.5A/1.0A/1.5A/2.0A
Logic Level Enable Pin: Available with Active-high or Active-low
Version
Operating Voltage Range: 2.7V to 5.5V
Low Supply Current: 68µA (Typ.)
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 Auto-discharge)
(AP2822A/AP2822B/AP2822C/AP2822D/AP2822E/AP2822F/AP
2822G/AP2822H)
Without Output Shutdown Pull-low Resistor
(For No Auto-discharge)
(AP2822AN/AP2822BN/AP2822CN/AP2822DN/AP2822EN/AP2
822FN/AP2822GN/AP2822HN)
Totally Lead-free & Fully RoHS Compliant (Notes 1 & 2)
Halogen and Antimony Free. GreenDevice (Note 3)
Pin Assignments
(Top View)
(Top View)
FLAG 1
GND 2
EN 3
5 VOUT EN 1
GND 2
4 VIN FLAG 3
5 VOUT
4 VIN
(SOT-23-5/ K Package)
(SOT-23-5/ KA Package)
(Top View)
(Top View)
VOUT 1
GND 2
VIN 3
5 VOUT VOUT 1
GND 2
4 EN
FLAG 3
5 VIN
4 EN
(SOT-23-5/ KB Package)
(SOT-23-5/ KE Package)
Applications
USB Power Management
USB Bus/Self Powered Hubs
Hot-plug Power Supplies
Battery-charger Circuits
Notebooks, Motherboard PCs
Notes:
1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS), 2011/65/EU (RoHS 2) & 2015/863/EU (RoHS 3) compliant.
2. See https://www.diodes.com/quality/lead-free/ for more information about Diodes Incorporated’s definitions of Halogen- and Antimony-free, "Green" and
Lead-free.
3. Halogen- and Antimony-free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and
<1000ppm antimony compounds.
AP2822
Document number: DS41399 Rev. 1 - 3
1 of 16
www.diodes.com
November 2018
© Diodes Incorporated


Diodes Semiconductor Electronic Components Datasheet

AP2822 Datasheet

0.5A to 2.0A HIGH-SIDE POWER DISTRIBUTION SWITCHES

No Preview Available !

NOT RECOMMENDED FOR NEW DESIGN -
NO ALTERNATE PART
Typical Applications Circuit
AP2822
R
10kΩ
VIN=5V 4(4){3}[5]
VIN
1(3)[3]
FLAG
USB Controller
CIN
(Note 4)
2.2µF
3(1){4}[4]
EN
Enable
AP2822
GND
2(2){2}[2]
VOUT
5(5){1,5}[1]
COUT
1µF
VBUS
D+
D-
GND
A(B){C}[D]
A: SOT-23-5(K Package)
B: SOT-23-5(KA Package)
C: SOT-23-5(KB Package)
D: SOT-23-5(KE Package)
Note 4: 2.2µF input capacitor is enough in most application cases. If the VOUT is short to ground frequently during usage, large size input capacitor is necessary,
recommend 22µF.
Pin Descriptions
Pin Number
1(K)
3(KA/KE)
2
3(K)
1(KA)
4(KB/KE)
4(K/KA)
3(KB)
5(KE)
5(K/KA)
1,5(KB)
1(KE)
Pin Name
FLAG
GND
EN
Function
Fault flag pin, output with open drain, need a pull-up resistor in application,
active low to indicate OCP or OTP
Ground
Chip enable control input, active low or high
VIN
Supply input pin
VOUT
Switch output voltage
AP2822
Document number: DS41399 Rev. 1 - 3
2 of 16
www.diodes.com
November 2018
© Diodes Incorporated


Part Number AP2822
Description 0.5A to 2.0A HIGH-SIDE POWER DISTRIBUTION SWITCHES
Maker DIODES
PDF Download

AP2822 Datasheet PDF






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