AP1117
1A Low Dropout Positive Adjustable or Fixed-Mode Regulator
ꢀFeatures
ꢀGeneral Description
AP1117 is a low dropout positive adjustable or
fixed-mode regulator with minimum of 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 3.3V logic supply.
AP1117 is also well suited for other applications
such as VGA cards. AP1117 is guaranteed to have
lower than 1.4V dropout at full load current making
it ideal to provide well-regulated outputs of 1.25 to
5.0 with 6.4V to 12V input supply.
- 1.4V maximum dropout at full load current
- Fast transient response
- Output current limiting
- Built-in thermal shutdown
- Packages: SOT223, TO263, TO252, TO220,
SOT89
- Good noise rejection
- 3-Terminal Adjustable or Fixed 1.5V, 1.8V, 1.9V,
2.5V, 3.3V, 5.0V
ꢀApplications
- PC peripheral
- Communication
ꢀ Ordering Information
AP 1117 X XX X X
Low Dropout Regulator
Lead Free
Package
Vout
Packing
Blank : ADJ
15 : 1.5V
18 : 1.8V
19: 1.9V
25 : 2.5V
33 : 3.3V
50 : 5.0V
E : SOT223-3L
K : TO263-3L
D : TO252-3L
T : TO220-3L
Y : SOT89-3L
Blank : Normal
L : Lead Free Package
Blank : Tube
A
: Taping
ꢀTypical Circuit
5V
5V
C1
C1
100uF
100uF
Vin
Vin
Vo
Vout
Vout
2.5V/1A
3.3V/1A
R1
121
C2
C2
Ω
R2
Adj
GND
100uF
100uF
Ω
121
Tab is Vout
Tab is Vout
( 5V/3.3V fixed output )
( 5V/2.5V ADJ output )
R2
R1
Note:
Vo = VREF ∗(1+
)
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 17, 2004
1/11
ANACHIP [ ANACHIP CORP ]
