APPENDIX B. POWER S
參數(shù)資料
型號: 20-101-0654
廠商: Rabbit Semiconductor
文件頁數(shù): 71/110頁
文件大?。?/td> 0K
描述: INTERFACE OP6800 512K FLASH&SRAM
標準包裝: 1
系列: SBC
模塊/板類型: 單板計算機模塊
適用于相關產品: OP6800
其它名稱: 20-101-654
20-101-654-ND
User’s Manual
59
APPENDIX B. POWER SUPPLY
Appendix B describes the power circuitry provided on the
OP6800.
B.1 Power Supplies
Power is supplied to the OP6800 via pins 20 and 21 of header J1, which is connected by a
ribbon cable to either the Demonstration Board or to your system. The OP6800 is pro-
tected against reverse polarity by a diode at D6 as shown in Figure B-1.
Figure B-1. OP6800 Power Supply
The input voltage range is from 9 V to 36 V. A switching power regulator is used to pro-
vide a Vcc of +5 V for the OP6800 logic circuits. Vcc is not accessible to the user.
NOTE: In addition to supplying +RAW to the OP6800 switching power regulator, the
Demonstration Board has its own independent linear power regulator to supply the
electronics in the demonstration area of the Demonstration Board. See Appendix C for
more information.
POWER
IN
J1
47 F
+RAW
Vcc
L1
C39
C40
47 H
D6
D14
1N5819
7
6
4
8
1
5
SWITCHING POWER REGULATOR
VIN
20
21
U4
LM2675
C36
10 nF
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