AP1119
0.5A Positive Low Dropout Fixed-Mode Regulator With EN Function


This datasheet contains new product information. Anachip Corp. reserves the rights to modify the product specification without notice. No liability is assumed as a result of the use of
this product. No rights under any patent accompany the sale of the product.
Rev. 1.0 Aug 20, 2004
1/5

null Features

• 1.3V maximum dropout at full load current
• Fast transient response
• Output current limiting
• Built-in thermal shutdown
• Packages: SOT89-5L
• Good noise rejection
• 5-Terminal device with fixed 1.5V, 1.8V, 2.5V,
3.3V, 5.0V, 9.0V, 12V output.

null Applications
• PC peripheral
• Communication
• CDROM..





null General Description

AP1119 is a low dropout positive adjustable or
fixed-mode regulator with minimum of 0.5A 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 3.3V logic supply.
AP1119 is also well suited for other applications
such as VGA cards. AP1119 is guaranteed to have
<1.3V dropout at full load current making it ideal to
provide well regulated fixed outputs of 1.5 to 12V
with up to 18V input supply. The AP1119 offers a
TTL – Logic compatible enable pin.





null Ordering Information

AP 1119 X XX X X
Low Dropout Regulator Package Vout
Y : SOT89-5L 15 : 1.5V
18 : 1.8V
25 : 2.5V
33 : 3.3V
50 : 5.0V
90 : 9.0V
12 : 12V
Packing
Blank : Tube
A : Taping
Lead Free
Blank : Normal
L : Lead Free Package

null Typical Circuit
C2
100uF
5V
3.3V/0.5A
C1
100uF
( 5V/3.3V fixed output )
GND
Vout
Vin
1
3
2
EN
NC
4
5
OFF
ON
Tab is Vout