Manual

Rev. 2.1 36
CobraNet™ EV-2
1 2 34
A B C D
4
321
D
C B A
CobraNet (TM) Evaluation Board - Power
E
2500 55th Street Suite 210
Title:
File: EV2_pwr.sch
8919-Oct-2004Date: Sheet of
Engineer: Bill Lowe
www.peakaudio.com www.cirrus.com
Size: Number: Revision:A
Cirrus Logic, Inc.
Boulder, CO 80301
GND
GND
+12V +5VA
+3.3VDC
1
+3.3VDC
2
COM
3
+5VDC
4
COM
5
+5VDC
6
COM
7
PWR_OK
8
+5VSB
9
+12VDC
10
+3.3VDC
11
-12VDC
12
COM
13
PS_ON#
14
COM
15
COM
16
COM
17
-5VDC
18
+5VDC
19
+5VDC
20
P450 ATX_POWER
VCC_+3
GND
GND
GND
GND
+5V
GND
GND
+12V
-12V+5V
+
C451 470AE16S
+
C452 470AE16S
TVS451 P4SMB13A
TVS452 P4SMB13A
TVS453 P4SMB6V8A
TVS450 SMAJ5V0A
B450 .1S
B451 .1S
B452 .1S
B455 .1S
B453 .1S
B454 .1S
B456 .1S
B461 .1S
GND
GND
+12V +5VB
B460 .1S
IN
1
GND
2
OUT
3
VR461 78M05S
GND
C462 .01S8
C460 .01S8
+
C461 10A6S
+
C463 10A6S
+ C450
220AE10S
+ C453
220AE10S
+ C454
220AE10S
IN
1
GND
2
OUT
3
VR460 78M05S
GND
ADJ
4
OUT
1
IN
3
IN
6
IN
7
IN
2
VR480 LM337L
ADJ
4
OUT
2
OUT
3
OUT
6
OUT
7
IN
1
VR470 LM317L
R480 249P1S R481 1.54KP1S
C481 10A20S
-12V
-9VA
R470 249P1S R471 1.54KP1S
C471 10A20S GND
+9VA+12V
B480 .1S B470 .1S
C470 .01S8 C480 .01S8
ADJ
4
OUT
1
IN
3
IN
6
IN
7
IN
2
VR481 LM337L
ADJ
4
OUT
2
OUT
3
OUT
6
OUT
7
IN
1
VR471 LM317L
R482 249P1S R483 1.54KP1S
C483 10A20S
-12V
-9VB
R473 249P1S R472 1.54KP1S
C473 10A20S GND
+9VB+12V
B481 .1S B471 .1S
C472 .01S8 C482 .01S8
+5V
GND
CR504 LEDPCGRN
R513 464P1S