APL158115FC-TRG Anpec Electronics Coropration, APL158115FC-TRG Datasheet - Page 5

• Manufacturer Part Number: APL158115FC-TRG
• Description: DUAL Input LOW Dropout Regulator
• Manufacturer: Anpec Electronics Coropration

APL1581
Application Circuit
(1) Adjustable Output Voltage Device
(2) Fixed Output Voltage Device
(3) With Enable Control Application
Copyright
Rev. B.5 - Mar., 2008
* V
* R1 is typically in range of 100
where V
Enable
OUT
V
+3.3V
GND
+5V
CNT L
ANPEC Electronics Corp.
V
= V
I
IN
ADJ
REF
REF
=50 A (typical)
V
V
+3.3V
+3.3V
GND
=1.25V (typical)
GND
+5V
+5V
V
V
( 1+ R2 / R1 ) + I
CNT L
CNT L
IN
IN
10k
10k
Q1 : APM2301A
Q2 : APM2300A
Q1
Q2
C
10uF
C
10uF
CNTL
CNTL
ADJ
* R2
C
10uF
to 125
CNTL
100uF
100uF
C
C
IN
IN
VIN
VCNTL
VIN
VCNTL
to satisfy the minimum load current requirement.
100uF
APL1581-25
C
APL1581
IN
(Adj.)
VIN
VCNTL
ADJ
GND
VSENSE
5
VSENSE
VOUT
APL1581
VOUT
(Adj.)
ADJ
VSENSE
V
VOUT
REF
120
120
R1
R2
V
REF
120
120
R1
R2
470uF
C
470uF
C
OUT
OUT
+2.5V/5A
+2.5V/5A
V
GND
V
GND
470uF
C
OUT
OUT
OUT
+2.5V/5A
www.anpec.com.tw
V
GND
OUT