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| 型号： | MIC280-7BM6 TR |
| 厂商： | Micrel Inc |
| 文件页数： | 22/23页 |
| 文件大小： | 385K |
| 描述： | IC SUPERVISOR THERMAL SOT23-6 |
| 标准包装： | 3,000 |
| 系列： | IttyBitty® |
| 功能： | 温度监控系统（传感器） |
| 传感器类型： | 内部和外部 |
| 感应温度： | -55°C ~ 125°C，外部传感器 |
| 精确度： | ±2°C（最小值） |
| 拓扑： | ADC，寄存器库 |
| 输出类型： | SMBus? |
| 输出警报： | 无 |
| 输出风扇： | 无 |
| 电源电压： | 3 V ~ 3.6 V |
| 工作温度： | -55°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | SOT-23-6 |
| 供应商设备封装： | SOT-23-6 |
| 包装： | 带卷 (TR) |
| 其它名称： | 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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| MIC2807-MMYML TR | 功能描述:PMIC 解决方案 PAM Power Management IC: DAC controlled DC-DC + 2 LDOs RoHS:否 制造商:Texas Instruments 安装风格:SMD/SMT 封装 / 箱体:QFN-24 封装:Reel |
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