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參數資料
| 型號： | MIC280-7BM6 TR |
| 廠商： | Micrel Inc |
| 文件頁數： | 22/23頁 |
| 文件大小： | 385K |
| 描述： | IC SUPERVISOR THERMAL SOT23-6 |
| 標準包裝： | 3,000 |
| 系列： | IttyBitty® |
| 功能： | 溫度監控系統（傳感器） |
| 傳感器類型： | 內部和外部 |
| 感應溫度： | -55°C ~ 125°C，外部傳感器 |
| 精確度： | ±2°C（最小值） |
| 拓撲： | ADC，寄存器庫 |
| 輸出類型： | SMBus? |
| 輸出警報： | 無 |
| 輸出風扇： | 無 |
| 電源電壓： | 3 V ~ 3.6 V |
| 工作溫度： | -55°C ~ 125°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | SOT-23-6 |
| 供應商設備封裝： | SOT-23-6 |
| 包裝： | 帶卷 (TR) |
| 其它名稱： | MIC280-7BM6TR MIC280-7BM6TR-ND |
MIC280
Micrel
MIC280
22
May 2006
on these devices. To allow for this, the MIC280
has superb rejection of noise appearing from
collector to GND.
4. Due to the small currents involved in the mea-
surement of the remote diodes V
BE
, it is
important to adequately clean the PC board after
soldering to prevent current leakage. This is
most likely to show up as an issue in situations
where water-soluble soldering uxes are used.
5. In general, wider traces for the ground and T1
lines will help reduce susceptibility to radiated
noise (wider traces are less inductive). Use trace
widths and spacing of 10 mils wherever possible
and provide a ground plane under the MIC280
and under the connections from the MIC280 to
the remote diode. This will help guard against
stray noise pickup.
REMOTE DIODE (T1)
GUARD/RETURN
1
2
VDD
GND
T1
6
5
4
3
/INT
DATA
CLK
GUARD/RETURN
MIC280
Figure 6. Guard Traces/Kelvin Ground Returns
DATA
5
4
6
2
3
1
TO
ERIAL BUS
HOST
2N3906/?/DIV>
CPU DIODE
1800pF
MIC280
CLK
/INT
3V to 3.6V
100&
3 ?/DIV>
10k
VDD
T1
GND
0.1礔
ceramic
4.7礔
Figure 7. V
DD
Decoupling for Very Noisy Supplies
6. Always place a good quality power supply
bypass capacitor directly adjacent to, or under-
neath, the MIC280. This should be a 0.1 礔 ce-
ramic capacitor. Surface-mount parts provide the
best bypassing because of their low inductance.
7. When the MIC280 is being powered from par-
ticularly noisy power supplies, or from supplies
which may have sudden high-amplitude spikes
appearing on them, it can be helpful to add ad-
ditional power supply ltering. This should be
implemented as a 100?resistor in series with
the parts V
DD
pin, and a 4.7 礔, 6.3V electrolytic
capacitor from V
DD
to GND. See Figure 7.
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| MIC280-7BM6TS | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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