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A
EXTERNAL POWER INPUT
7-12V DC/AC
P3
4
2
1
D1
-
2
D3
DNP
FM4001
3
U13
3
2
+5.0V
VIN
VOUT
1
4
GND
VOUT
MC33269DT-3.3
NOTE:
To measure +3.3V supply
current, remove L2 and replace
with amp meter.
L5
2
+3.3V
FERRITE BEAD
+
+3.3V
+3.3VA
GROUND
TEST POINT
TEST POINT
TEST POINT
1
TP1
TP2
TP3
+3.3V
+3.3VA
A
B
D2
FM4001
+12V
U12
+
1
3
2
VIN
VOUT
+ C1
C22
1
4
GND
VOUT
470uF
0.1uF
16VDC
MC33269DT-5.0
VCC
+5.0V
L2
+3.3V
FERRITE BEAD
Typ 135mA
+
C3
47uF
10VDC
+3.3V_PLL
+3.3VA
C5
C24
47uF
0.1uF
10VDC
GROUND
GROUND
ANALOG GROUND
TEST POINT
TEST POINT
TEST POINT
TP4
TP5
TP6
B
Figure A-13. Power Supplies
C
D
+5.0V
+5.0V
R21
270
POWER GOOD LED
L1
LED13
FERRITE BEAD
+
C2
GREEN LED
47uF
10VDC
D4
DNP
FM4001
R83
U14
+VREFH
10 Ohm
3
2
DNP
VIN
VOUT
L3
1
4
GND
VOUT
+3.3VA
FERRITE BEAD
MC33269DT-3.3
C23
+
C4
0.1uF
47uF
L4
10VDC
FERRITE BEAD
R2
0 Ohm
Single trace
to GNDA.
U15
1
VIN
+3.0V
5
+VREFH
VOUT
3
EN
4
NR
+
C6
2
GND
C75
10uF
REG113NA-3/3K
0.01uF
6VDC
+5.0V
TEST POINT
TP7
Title
POWER SUPPLIES
+5.0V
Document
DSP56F836EVM.DSN
Size
Number
B
Date:
Tuesday, February 04, 2003
C
D
E
J22
+2.5V Input
+2.5V
1
2
+2.5V Ground Reference
External +2.5V
Power Supply Input
JG10
NOTE:
Remove 0 OHM
resistor to use Analog
1
2
GND isolation jumper.
3.3V AND 5.0V
3.0V REF
REGULATOR
REGULATOR
4
1
5
2
1
2
3
3
4
REG113NA3/3K
MC33269
DSP Standard Products Division
2100 East Elliot Road
Tempe, Arizona 85284
(480) 413-5090 FAX: (480) 413-2510
Designer:
Sheet
of
DSPD Design
13
14
E
4
3
2
1
Rev.
1.0
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