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5
D
EXTERNAL POWER IN
P3
2
INPUT 12V DC
C
L2
+3.3V
FERRITE BEAD
B
L4
FERRITE BEAD
NEAR THE BREADBOARD AREA
TP3
TP1
+3.3VA
+3.3V
A
+3.3V
+3.3VA
5
4
D1
FM4001
D2
1
3
VIN
+
C4
C5
1
GND
FM4001
470uF
0.1uF
16VDC
+3.3VA
C7
0.1uF
3.3V AND 5.0V
TP5
TP2
TP4
+5.0V
GND
GNDA
+5.0V
4
Figure A-13. Power Supplies 3.3V and 5.0V
3
U8
+5.0V_UNI3
2
VOUT
L1
4
VOUT
FERRITE BEAD
MC33269DT_5.0
+5.0V
D3
FM4001
U9
3
2
VIN
VOUT
L3
1
4
GND
VOUT
FERRITE BEAD
MC33269DT_3.3
REGULATOR
4
1
2
3
Title
P O W E R S U P P L I E S + 3 . 3 V A N D +5.0V
D o c u ment
Size
N u mber
MC33269
B
Monday, June 22, 1998
D a t e :
3
2
1
+5.0V
R10
+
C6
470
47uF
10VDC
POWER GOOD LED
LED1
GREEN LED
+3.3V
+
C8
47uF
10VDC
Wireless Subscriber Division
6 5 0 1 William Cannon Drive West
Austin, TX, 78735-8598
( 5 1 2 ) 8 9 5 - 3 2 3 0
F A X : ( 5 1 2 ) 8 9 5 - 4 5 5 6
MD:OE314
D S P 5 6 8 0 3 EVM.DSN
Development Tools
D e s i g n er:
S h e e t
2
1
D
C
B
A
R e v.
1 . 3
1 3
14
of
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