AP1184K5 Ver la hoja de datos (PDF) - Anachip Corporation
Número de pieza
componentes Descripción
Fabricante
AP1184K5 Datasheet PDF : 11 Pages
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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
2
7
Vout
3
6
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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