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PDF AP1084 Data sheet ( Hoja de datos )
| Número de pieza | AP1084 | |
| Descripción | 5A Low Dropout Positive Adjustable or Fixed-Mode Regulator | |
| Fabricantes | Anachip | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de AP1084 (archivo pdf) en la parte inferior de esta página. Total 10 Páginas | ||
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AP1084
5A Low Dropout Positive Adjustable or Fixed-Mode Regulator
Features
General Description
• 1.4V maximum dropout at full load current
• Built-in thermal shutdown
• Output current limiting
• Adjustable output voltage or fixed 1.5V, 1.8V, 2.5V,
3.3V, 5.0V
• Fast transient response
• Good noise rejection
• Package : TO252, TO263, TO220
AP1084 is a low dropout positive adjustable or fixed-
mode regulator with minimum of 5.0A 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. AP1084 is also well
suited for other applications such as VGA cards.
AP1084 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 3.3V with 4.7 to
12V input supply.
Ordering Information
AP1084 X X X X
Low Dropout Regulator
Package
D : TO252-3L
K : TO263-3L
T : TO220-3L
Vout
Blank : Adj
15 = 1.5V
18 = 1.8V
25 = 2.5V
33 = 3.3V
50 = 5.0V
Lead Free
Packing
Blank : Normal
Blank : Tube
L : Lead Free Package A : Taping
Typical Circuit
5.0V to 3.3V Fixed Mode Regulator
5V
C1
100uF
Vin
Vout
GND
Tab is Vout
3.3V/5A
C2
100uF
Adjustable Regulator
5V C1
100uF
Vin
Vout
2.5V/5A
Adj
Tab is Vout
R1 121Ω
R2 121Ω
C2
100uF
Note:
Vo
=
VREF
∗
(1+
R2
R1
)
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.27, 2004
1/10
1 page  
AP1084
5A Low Dropout Positive Adjustable or Fixed-Mode Regulator
Functional Description (Continued)
Thermal Design
The AP1084 incorporates an internal thermal
shutdown that protects the device when the junction
temperature exceeds the maximum allowable
junction temperature. Although this device can
operate with junction temperatures in the range of
150oC, it is recommended that the selected heat
sink be chosen such that during maximum
continuous load operation the junction temperature
is kept below the temperature.
Layout Consideration
The output capacitors must be located as close to
the Vout terminal of the device as possible. It is
recommended to use a section of a layer of the PC
board as a plane to connect the Vout pin to the
output capacitors to prevent any high frequency
oscillation that may result due to excessive trace
inductance.
Anachip Corp.
www.anachip.com.tw
Rev.1.0 Aug.27, 2004
5/10
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet AP1084.PDF ] | |
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