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PDF AP1121 Data sheet ( Hoja de datos )
| Número de pieza | AP1121 | |
| Descripción | DUAL 1A LOW DROPOUT POSITIVE REGULATOR | |
| Fabricantes | Diodes Incorporated | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de AP1121 (archivo pdf) en la parte inferior de esta página. Total 7 Páginas | ||
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AP1121
DUAL 1A LOW DROPOUT POSITIVE REGULATOR
Features
• 1.3V maximum dropout at full load current
• Fast transient response
• Output current limiting for each channel
• Built-in thermal shutdown for each channel
• Good noise rejection
• Dual output ch1 = 3.3V, ch2 = 2.5V
(ch2 = 1.8V for version B)
• SOP-8L: Available in “Green” Molding Compound
(No Br, Sb)
Lead Free Finish/ RoHS Compliant (Note 1)
General Description
AP1121 is a low dropout positive regulator which provides 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/2.5V or
3.3V/1.8V logic supply. AP1121 is guaranteed to have <1.3V
dropout at full load current making it ideal to provide well
regulated outputs dual channels with up to 18V input supply.
Applications
• PC peripheral
• Communication
Ordering Information
AP 1121 X S X - 13
Vout
A : CH1=3.3V
CH2=2.5V
B : CH1=3.3V
CH2=1.8V
Package
S : SOP-8L
Lead Free
Packing
L : Lead Free 13 : Tape & Reel
G : Green
Device
AP1121XSL-13
Lead-free
AP1121XSG-13
Package
Code
S
S
Packaging
(Note 2)
SOP-8L
SOP-8L
13” Tape and Reel
Quantity
Part Number Suffix
2500/Tape & Reel
-13
2500/Tape & Reel
-13
Notes:
1. EU Directive 2002/95/EC (RoHS). All applicable RoHS exemptions applied. Please visit our website at
http://www.diodes.com/products/lead_free.html.
2. Pad layout as shown on Diodes Inc. suggested pad layout document AP02001, which can be on found our website at
http://www.diodes.com/datasheets/ap02001.pdf.
AP1121 Rev. 5
1 of 7
www.diodes.com
FEBRUARY 2009
© Diodes Incorporated
1 page  
AP1121
DUAL 1A LOW DROPOUT POSITIVE REGULATOR
Typical Performance Characteristics
2. 0
1. 8
1. 6
1. 4
1. 2 Tj = 25 oC
1. 0
0. 8
Tj = 125 oC
0. 6
0. 4
0. 2
00 250 500 750 1000
Output Current (mA)
Dropout Voltage vs Output Current
0.20
0
I load=800mA
-0.20
-0.40
-0.80
- 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
Cout=10uF Tantalum
6.5
5.5
40
20
0
-20
-40
0 20 40 60 80 100 120 140 160 180 200
TIME (us)
Line Transient Response
30
C in = 1uF
20 C out = 10 uF Tantalum
Preload = 100mA
10
0
-10
-20
2
1
0
-1 0 10 20 30 40 50 60 70 80 90 100
TIME (us)
Load Transient Response
AP1121 Rev. 5
5 of 7
www.diodes.com
FEBRUARY 2009
© Diodes Incorporated
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet AP1121.PDF ] | |
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