Diodes AP1184 User Manual
Ap1184, Features, General description
AP1184
4A ULTRA LOW DROPOUT POSITIVE ADJUSTABLE OR
FIXED-MODE REGULATOR
AP1184 Rev. 5
1 of 12
SEPTEMBER 2008
www.diodes.com
©
Diodes Incorporated
Features
General Description
AP1184 is a 4A regulator with extremely low dropout voltage.
This product is specifically designed to provide well regulated
supply for applications requiring 2.8V or lower voltages from 3.3V
ATX power supplies where high efficiency of the switch can be
achieved without the cost and complexity associated with
switching regulator. One such application is the new graphic
chipsets that requires anywhere from 2.4V to 2.7V supply.
•
0.85V maximum dropout voltage at 4A load current
•
Built-in Thermal shutdown
•
Output current limiting
•
Adjustable or fixed output voltage1.5V, 1.8V, 2.5V,
3.3V, 5.0V
•
Fast transient response
•
Good noise rejection
•
Packages: TO220-5L and TO263-5L
•
Lead Free Finish/ RoHS Complian (Note 1)
Ordering Information
AP 1184 XX - XX L X
Package
Vout
K5 : TO263-5L
T5 : TO220-5L
Blank : Adj
15 = 1.5V
18 = 1.8V
25 = 2.5V
33 = 3.3V
50 = 5.0V
Packing
U : Tube
13 : Tape & Reel
Lead Free
L : Lead Free
-
Tube
13” Tape and Reel
Device
Package
Code
Packaging
(Note 2)
Quantity
Part Number
Suffix
Quantity
Part Number
Suffix
AP1184K5XXL-U K5
TO263-5L
50
-U
NA
NA
AP1184K5XXL-13 K5 TO263-5L NA
NA
800/Tape
&
Reel -13
AP1184T5XXL-U T5
TO220-5L
50
-U
NA
NA
Lead-free
Lead-free
Lead-free
Notes: 1. EU Directive 2002/95/EC (RoHS). All applicable RoHS exemptions applied, see EU Directive 2002/95/EC Annex Notes.
2. Pad layout as shown on Diodes Inc. suggested pad layout document AP02001, which can be found on our website at