參數(shù)資料
型號(hào): 101-0492
廠商: Rabbit Semiconductor
文件頁數(shù): 79/110頁
文件大?。?/td> 0K
描述: INTERFACE OP6800 W/ETHERNET PORT
標(biāo)準(zhǔn)包裝: 25
系列: SBC
模塊/板類型: 單板計(jì)算機(jī)模塊
適用于相關(guān)產(chǎn)品: SR9160
產(chǎn)品目錄頁面: 618 (CN2011-ZH PDF)
其它名稱: 316-1060
66
MiniCom (OP6800)
The Demonstration Board has an onboard LM7805 linear regulator for the circuits on the
Demonstration Board only. Its major drawback is its inefficiency, which is directly propor-
tional to the voltage drop across it. The voltage drop creates heat and wastes power.
You may wish to use a switching power supply in your applications where better effi-
ciency is desirable. The LM2575 is an example of an easy-to-use switching voltage regu-
lator. This part greatly reduces the heat dissipation of the regulator. The drawback in using
a switching voltage regulator is its higher cost.
Figure C-3. Demonstration Board Power Supply
Capacitor C1 provides surge current protection for the voltage regulator, and allows the
external power supply to be located some distance away.
Be careful to limit the current draw in any prototype circuits you build on the prototyping
area of the Demonstration Board to avoid operating the linear regulator outside its recom-
mended limits. The LEDs and buzzer together can draw up to 70 mA, which still leaves
some current capacity for your own circuits (see Table C-1) if you plan to use them with
the LEDs and the buzzer.
If you need additional current from the linear regulator beyond that specified in Table C-1,
consider adding a heat sink to the linear regulator (remember to use silicone grease
between the tab and the heat sink), or use a lower voltage power supply.
LINEAR POWER SUPPLY
POWER
IN
J5
10 mF
7805
U1
+RAW
Vcc
C2
C1
10 mF
1
2
3
2
1
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101-0494 功能描述:模塊化系統(tǒng) - SOM RCM2250 RABBITCORE RoHS:否 制造商:Digi International 外觀尺寸:ConnectCore 9P 處理器類型:ARM926EJ-S 頻率:150 MHz 存儲(chǔ)容量:8 MB, 16 MB 存儲(chǔ)類型:NOR Flash, SDRAM 接口類型:I2C, SPI, UART 工作電源電壓:3.3 V 最大工作溫度:+ 85 C 尺寸:1.97 in x 1.97 in x 6.1 in
101-0495 功能描述:處理器配件 Baseplate RoHS:否 制造商:Olimex Ltd. 產(chǎn)品:Cable 用于:
101-0497 功能描述:單板計(jì)算機(jī) OP6810 RoHS:否 制造商:Ampro By ADLINK 外觀尺寸:EPIC 處理器類型:Intel Atom D510 頻率:1.66 GHz 存儲(chǔ)容量:2 GB (max) 存儲(chǔ)類型:DDR2, L2 Cache 接口類型:Ethernet, PS/2, SATA, Serial, USB 工作電源電壓:5 V, 12 V 功耗:13 W 最大工作溫度:+ 70 C 尺寸:165.1 mm x 114.3 mm
10104997-00C-10B 功能描述:高速/模塊連接器 XCEDE 2W 6PVH 6COL RoHS:否 制造商:Molex 系列:iPass 產(chǎn)品類型: 排數(shù): 列數(shù): 位置/觸點(diǎn)數(shù)量:38 安裝角:Right 節(jié)距:0.8 mm 安裝風(fēng)格:Plug 端接類型:SMD/SMT 外殼材料:Thermoplastic 觸點(diǎn)材料:High Performance Alloy (HPA) 觸點(diǎn)電鍍:Gold
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