AP1184T5LA 반도체 회로 부품 판매점
4A Ultra Low Dropout Positive Adjustable or Fixed-mode Regulator
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 ETC |
4A Ultra Low Dropout Positive Adjustable or Fixed-mode Regulator
AP1184
Feature
• 0.7V maximum dropout voltage at 4A load current
• Built-in Thermal shutdown
• Output current limiting
• Adjustable or fixed output voltage
1.5V, 1.8V, 2.5V, 3.3V, 5.0V
• Fast transient response
• Good noise rejection
• Packages: SOP-7L, TO220-5L and TO263-5L
General Description
AP1184 is a 4A regulator with extremely low
dropout voltage. This product is specifically
designed to provide well regulated supply for
applications requiring 2.8V or lower voltages from
3.3V ATX power supplies where high efficiency of
the switch can be achieved without the cost and
complexity associated with switching regulator. One
such application is the new graphic chipsets that
requires anywhere from 2.4V to 2.7V supply.
Ordering Information
AP1184 X X X X
Low Dropout Regulator Package
Vout
S7:SOP-7L
K5:TO263-5L
T5:TO220-5L
Blank : Adj
15 = 1.5V
18 = 1.8V
25 = 2.5V
33 = 3.3V
50 = 5.0V
Lead Free
Blank : Normal
L : Lead Free Package
Packing
Blank : Tube
A : Taping
Typical Application
3.3V
+
470uF
5V
+
470uF
GND
NC
Vsense Vout
Vctrl
Vout
Vin Vin
AP1184-2.5V
2.5V/4A
+
470uF
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.1.1 Sep 7, 2004
1/11
4A Ultra Low Dropout Positive Adjustable or Fixed-mode Regulator
Block Diagram
AP1184
Vin
Vctrl
+
+
CURRENT
LIMIT
-
THERMAL
SHUTDOWN
1.25V +
+
Vout
Vsense
Adj
Pin Configuration
FRONT VIEW
5 Vin
Adj(GND)
4 Vctrl
Vsense
3 Vout
2 Adj(GND)
Vctrl
1 Vsense
Vin
Tab is Vout
(AP1184K5)
1 8 NC
27
Vout
36
4 5 Vin
( AP1184S7 )
FRONT VIEW
5
4
3
2
1
Tab is Vout
(AP1184T5)
Vin
Vctrl
Vout
Adj(GND)
Vsense
Pin Descriptions
Pin Numbers with standard type are for TO220-5L, TO263-5L packages, and those with boldface type are for SOP-7L
Name I/O
Description
Adj A resistor divider from this pin to the Vout pin and ground sets the output voltage.
(GND)
(GND only for fixed mode)
This pin is the positive side of the reference that allows remote load sensing to
Vsense
I achieve excellent load regulation. A minimum of 10uF capacitor must be connected
from this pin to ground to insure stability.
The input of the regulator. Typically a large storage capacitor is connected from this
Vin
I
pin to ground to insure that the input voltage does not sag below the minimum
dropout voltage during the load transient response. This pin must always be higher
than Vout in order for the device to regulate.
This pin is the supply pin for the internal control circuit as well as the base drive for
Vctrl
I
the pass transistor. This pin must always by higher than the Vout pin in order the
device to regulate. A minimum of 100uF capacitor must be connected from this pin to
ground to insure stability.
NC No connection
Vout
O
The output of the regulator. A minimum of 100uF capacitor must be connected from
this pin to ground to insure stability.
Anachip Corp.
www.anachip.com.tw
Rev.1.1 Sep 7, 2004
2/11
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AP1184T5LA regulator
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국내 전력반도체 판매점
상호 : 아이지 인터내셔날
전화번호 : 051-319-2877
[ 홈페이지 ]
IGBT, TR 모듈, SCR, 다이오드모듈, 각종 전력 휴즈
( IYXS, Powerex, Toshiba, Fuji, Bussmann, Eaton )
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관련 데이터시트
AP1184T5L
4A Ultra Low Dropout Positive Adjustable or Fixed-mode Regulator - ETC
AP1184T5LA
4A Ultra Low Dropout Positive Adjustable or Fixed-mode Regulator - ETC