參數(shù)資料
型號(hào)： 20-101-0357
廠商： Rabbit Semiconductor
文件頁數(shù)： 83/94頁
文件大?。?/td> 0K
描述： COMPUTER SINGLE-BOARD BL1810
標(biāo)準(zhǔn)包裝： 1
系列： Jackrabbit
模塊/板類型： 單板計(jì)算機(jī)模塊
適用于相關(guān)產(chǎn)品： BL1810
產(chǎn)品目錄頁面： 618 (CN2011-ZH PDF)
其它名稱： 316-1080
80
Jackrabbit (BL1800)
The linear voltage regulator is simply a fixed-voltage regulator with a ±5% voltage output
tolerance as the temperature changes. The regulator has a small heat sink, which increases
the maximum external input voltage. Higher external input voltages increase the voltage
dropped by the regulator. The Vcc coming out of the regulator is always 5 V.
The power necessarily dissipated by the regulator can be calculated if both the external
input voltage and the current drawn by the Jackrabbit board and daughterboards connected
to the Jackrabbit board are known. The current provided by the high-power output drivers
does not have to be included if a separate power supply is connected to K so that power
does not come from Vcc.
The linear regulator maintains its output voltage to within ±5% as long as the heat sink is
dissipating less than 2 W. The regulator will operate outside its specifications when the
heat sink is dissipating 2 W to 3.3 W. Thermal shutdown turns the regulator off above
3.3 W. Figure C-2 shows the power operating curves.
Figure C-2. 7805 Linear Regulator Power Operating Curve
The Jackrabbit operating at 14.74 MHz with no loading at the outputs typically consumes
105 mA when the programming cable is connected, and 95 mA when the programming
cable is not connected. This means that DCIN can safely be from 7.5 V to 25 V. An addi-
tional 50 mA is available for a daughterboard, but the voltage regulation would suffer
slightly.
510
15
20
25
30
35
350
300
250
200
150
100
50
Current
(mA)
DCIN (V)
3.3 W
__________
(DCIN 5 V)
2 W
__________
(DCIN 5 V)
Regulated
within
specifications
Regulated
outside
specifications
Undervolt
age
dropout
area
Thermal
shutdown
相關(guān)PDF資料
PDF描述
345-030-527-804 CARDEDGE 30POS DUAL .100 GREEN
345-030-527-802 CARDEDGE 30POS DUAL .100 GREEN
20-101-0435 MODULE RABBITCORE RCM2110
345-030-527-801 CARDEDGE 30POS DUAL .100 GREEN
AT25640N-10SI-2.7 IC EEPROM 64KBIT 3MHZ 8SOIC
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
20-101-0358 功能描述:單板計(jì)算機(jī) BL1820 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
20-101-0383 功能描述:模塊化系統(tǒng) - SOM RCM2020 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
20-101-0389 功能描述:子卡和OEM板 SR9200 16IN/8OUT RoHS:否 制造商:BeagleBoard by CircuitCo 產(chǎn)品:BeagleBone LCD4 Boards 用于:BeagleBone - BB-Bone - Open Source Development Kit
20-101-0390 功能描述:子卡和OEM板 SR9210 8 in/ 16 out RoHS:否 制造商:BeagleBoard by CircuitCo 產(chǎn)品:BeagleBone LCD4 Boards 用于:BeagleBone - BB-Bone - Open Source Development Kit
20-101-0391 功能描述:子卡和OEM板 SR9220 DIG I/O 8IN 8OUT RoHS:否 制造商:BeagleBoard by CircuitCo 產(chǎn)品:BeagleBone LCD4 Boards 用于:BeagleBone - BB-Bone - Open Source Development Kit
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