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PDF AP1117 Data sheet ( Hoja de datos )
| Número de pieza | AP1117 | |
| Descripción | 1A Low Dropout Positive Adjustable or Fixed-Mode Regulator | |
| Fabricantes | Analog Technology | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de AP1117 (archivo pdf) en la parte inferior de esta página. Total 8 Páginas | ||
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ATC
AP1117
Analog Technology,
1A Low Dropout Positive Adjustable or Fixed-Mode Regulator
Features
• 1.4V maximum dropout at full load current
• Fast transient response
• Output current limiting
• Built-in thermal shutdown
• Packages: SOT223, TO252, TO220, SOT89
• Good noise rejection
• 3-Terminal Adjustable or Fixed 1.5V, 1.8V,2.5V,
3.3V, 5.0V
Applications
• PC peripheral
• Communication
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
<1.3V dropout at full load current making it ideal to
provide well regulated outputs of 1.25 to 5.0 with 6.3
to 12V input supply.
Ordering Information
AP 1117 X XX X
Low Dropout Regulator
Package
E : SOT223-3L
D : TO252-3L
T : TO220-3L
Y : SOT89-3L
Vout
Packing
Blank : ADJ Blank : Tube
15 : 1.5V A : Taping
18 : 1.8V
25 : 2.5V
33 : 3.3V
50 : 5.0V
Typical Circuit
5V
C1
100uF
5V
C1
100uF
Vin
Vout
GND
Tab is Vout
3.3V/1A
C2
100uF
( 5V/3.3V fixed output )
Vin
Vout
Adj
Tab is Vout
R1
121Ω
R2
121Ω
Vo 2.5V/1A
C2
100uF
( 5V/2.5V ADJ output )
Note:
Vo
=
VREF
∗ (1+
R2
R1
)
This datasheet contains new product information. Analog Technology 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. A4. Apr. 18, 2003
1/7
1 page  
AP1117
1A Low Dropout Positive Adjustable or Fixed-Mode Regulator
ATC
Typical Performance Characteristics
2. 0
1. 8
1. 6
1. 4
1. 2 Tj = 25 oC
1. 0
0. 8
0. 6 Tj = 125 oC
0. 4
0. 2
00 200 400 600
Output Current (mA)
Dropout Voltage vs Output Current
0.20
0
I load=800mA
-0.20
-0.40
-0.80
800
- 1 -25
0 25 50 75
Temperature (oC)
100
Load Regulation vs Temperature
125
21
1.5
0.8
1
0. 5 0.6
0
-0.5 0.4
-1
0.2
-1.5
- 2-50 -25 0 25 50 75 100 125 150
Temperature (oC)
Percent Change in Output Voltage vs Temperature
02
46
8
Input Voltage (V)
Line Regulation
10
12
7.5
Cin=1uF
6.5 Cout=10uF Tantalum
5.5
40
20
0
-20
-40
0 20 40 60 80 100 120 140 160 180 200
TIME (us)
Line Transient Response
30
20
10
0
-10
-20
2
1
0
-1 0
C in = 1uF
C out = 10 uF Tantalum
Preload = 100mA
10 20 30 40 50 60 70 80 90 100
TIME (us)
Load Transient Response
Rev. A4 APR. 18, 2003
5/8
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet AP1117.PDF ] | |
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