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AP1122

1A LOW DROPOUT POSITIVE REGULATOR



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AP1122 pdf
AP1122
1A LOW DROPOUT POSITIVE REGULATOR
Features
1.3V maximum dropout at full load current
Fixed 1.2V±2% output voltage
Fast transient response
Output current limiting
Built-in thermal shutdown
Good noise rejection
Packages: SOT223-3L, TO252-3L, SOT89-3L
SOT223-3L and TO252-3L: Available in “Green”
Molding Compound (No Br, Sb) (Note 1)
Lead Free Finish/RoHS Compliant (Note 2)
General Description
AP1122 is a low dropout positive fixed-mode regulator with 1A
output current capability. The product is specifically designed to
provide well-regulated supply for low voltage IC applications such
as high-speed bus termination and low current 1.2V logic supply.
AP1122 is also well suited for other applications such as VGA
cards. AP1122 is guaranteed to have lower than 1.3V dropout at
full load current making it ideal to provide well-regulated outputs
of 1.2 output voltage with 2.5V input voltage supply.
Applications
PC peripheral
Communication
Ordering Information
AP1122XXX
Package
E : SOT223-3L
D : TO252-3L
Y : SOT89-3L
Lead Free
Packing
L : Lead Free
-U : Tube
G : Green (Note 1) -13 : Taping
Note:
Note:
1. Green is only for SOT223-3L and TO252-3L.
2. RoHS revision 13.2.2003. Glass and High Temperature Solder Exemptions Applied, see EU Directive Annex Notes 5 and 7.
Device
(Note 3)
AP1122E
AP1122D
AP1122Y
Lead-free
Package
Code
Packaging
(Note 3)
Tube/Bulk
Quantity Part Number
Suffix
E SOT223-3L
75
-U
D TO252-3L
80
-U
Y SOT89-3L
NA
NA
13” Tape and Reel
Quantity
Part Number
2500/Tape & Reel
2500/Tape & Reel
2500/Tape & Reel
Suffix
-13
-13
-13
3. Pad layout as shown on Diodes Inc. suggested pad layout document AP02001, which can be found on our website at
http://www.diodes.com/datasheets/ap02001.pdf.
AP1122 Rev. 2
1 of 9
www.diodes.com
FEBRUARY 2007
© Diodes Incorporated



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AP1122 pdf
Pin Assignment
(1) SOT223-3L
( Top View )
3
Vin
2 Vout
1 GND
Tab is Vout
(3) SOT89-3L
3 Vin
2 Vout
1 GND
Tab is Vout
Typical Application Circuit
AP1122
1A LOW DROPOUT POSITIVE REGULATOR
(2) TO252-3L
( Top View )
3
Vin
2 Vout
1
Tab is Vout
GND
2.5V
Vin
Vout
GND
Tab is Vout
C1
100uF
1.2V/1A
C2
100uF
AP1122 Rev. 2
2 of 9
www.diodes.com
FEBRUARY 2007
© Diodes Incorporated



Part Number AP1122
Description 1A LOW DROPOUT POSITIVE REGULATOR
Maker Diodes Incorporated - Diodes Incorporated
Total Page 9 Pages
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