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AP1186 Fiches technique(PDF) 2 Page - Anachip Corp

No de pièce AP1186
Description  1.5A Ultra Low Dropout Positive Adjustable or Fixed-mode Regulator
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Fabricant  ANACHIP [Anachip Corp]
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Logo ANACHIP - Anachip Corp

AP1186 Fiches technique(HTML) 2 Page - Anachip Corp

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1.5A Ultra Low Dropout Positive Adjustable or Fixed-mode Regulator
AP1186
Anachip Corp.
www.anachip.com.tw
Rev.1.1 Sep.7, 2004
2/8
Block Diagram
THERMAL
SHUTDOWN
Vout
Adj
1.25V
+
CURRENT
LIMIT
Vin
+
-
+
+
Vsense
Vctrl
Package Connect Diagram
5 PIN TO263
5 PIN TO220
Tab is Vout
FRONT VIEW
Tab is Vout
FRONT VIEW
Vout
Vsense
Adj(GND)
Vctrl
Vin
5
2
1
4
3
3
2
1
Vout
Vsense
Adj(GND)
Vctrl
Vin
4
5
Pin Descriptions
Name
I/O
Description
Adj
(GND)
A resistor divider from this pin to the Vout pin and ground sets the output voltage.
(GND only for fixed mode)
Vsense
I
This pin is the positive side of the reference that allows remote load sensing to
achieve excellent load regulation. A minimum of 10uF capacitor must be connected
from this pin to ground to insure stability.
Vin
I
The input of the regulator. Typically a large storage capacitor is connected from this
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.
Vctrl
I
This pin is the supply pin for the internal control circuit as well as the base drive for
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
Not used.
Vout
O
The output of the regulator. A minimum of 100uF capacitor must be connected from
this pin to ground to insure stability.


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