Freescale Semiconductor 56852, User Manual

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A A
B B
C C
D D
E E
4
4
3
3
2
2
1
1
EXTERNAL POWER INPU
T
7-12VDC/AC
12
3
4
MC33269
5.0V, 3.3V & Adj REGULATOR
POWER GOOD LED
Rhigh Rlow
INPUT +5VDC
+ -
Vout = 1.25( 1 + (Rlow/Rhigh)) Rlow = 107 1% for 1.8V Rlow = 243 1% for 2.5V Rlow = 127 1% for 1.9V
DSPD Design
POW
ER SUPPLIES
DSP56F8
52EVM.DSN
1.4
9
10
Thursday, January 10, 2002
A
DS
P Standard Products Division
2100 East Elliot Road Tempe, Arizona 85284
Tit
le
Docu
ment
Date:
Siz
e
Design
er:
Shee
t
of
Rev.
Numbe
r
(480) 413-5090 FAX: (480) 413-2510
+5.0V
+5.0VA
+3.3V
+3.3V
VCC
+1.8V
+5.0V
+5.0V
C2 0.1uF
C6 0.1uF
U7 MC33269DT-3.3
3
2 4
1
VIN
VOUT VOUT
GND
L1
FERRITE BEAD
L4
FERRITE BEAD
L3
FERRITE BEAD
+
C3 47uF 10VDC
R3 270
C4 0.1uF
U8 MC33269DT-ADJ
3
2 4
1
VIN
VOUT VOUT
GND
R1 243 1% R2 107 1%
+
C7
47uF 10VDC
L2
FERRITE BEAD
+
C5 47uF 10VDC
TB1
1 2
LED7
P2
1
3
2
U13 MC33269DT-5
3
2 4
1
VIN
VOUT VOUT
GND
+
C1 470uF
16VDC
-+
D4
3
1
4
2
D1
FM4001
D2
FM4001
D3
FM4001
DSP56852EVM User Manual, Rev. 3
Appendix A-
10 Freescale Semiconductor
Figure
A-9. Power Supplies