参数资料
型号: ISL8701AIBZ-T
厂商: Intersil
文件页数: 10/12页
文件大小: 0K
描述: IC SEQUENCER QUAD ADJ 14-SOIC
标准包装: 2,500
类型: 序列发生器
监视电压数目: 4
输出: 开路漏极或开路集电极
复位: 高有效/低有效
复位超时: 可调节/可选择
电压 - 阀值: 可调节/可选择
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 14-SOIC(0.154",3.90mm 宽)
供应商设备封装: 14-SOICN
包装: 带卷 (TR)
ISL8700A, ISL8701A, ISL8702A, ISL8703A, ISL8704A, ISL8705A
Application Recommendations
Best practices V IN decoupling is required, a 1 μ F capacitor is
recommended.
Coupling from the ENABLE_X pins to the sensitive UV and
OV pins can cause false OV/UV events to be detected. This
is most relevant for ISL8700A, ISL8702A, ISL8704A parts
due to the ENABLEA and OV pins being adjacent. This
coupling can be reduced by adding a ground trace between
UV and the ENABLE/FAULT signals, as shown in Figure 15.
The PCB traces on OV and UV should be kept as small as
practical and the ENABLE_X and FAULT traces should
ideally not be routed under/over the OV/UV traces on
different PCB layers unless there is a ground or power plane
in between. Other methods that can be used to eliminate this
issue are by reducing the value of the resistors in the
network connected to UV and OV (R2, R3, R5 in Figure 16)
or by adding small decoupling capacitors to OV and UV (C2
and C7 in Figure 16). Both these methods act to reduce the
AC impedance at the nodes, although the latter method acts
to filter the signals which will also cause an increase in the
time that a UV/OV fault takes to be detected .
When the ISL870XA is implemented on a hot swappable
card that is plugged into an always powered passive back
plane an RC filter is required on the V IN pin to prevent a high
dv/dt transient. With the already existing 1 μ F decoupling
capacitor the addition of a small series R (>50 Ω ) to provide a
time constant >50 μ s is all that is necessary.
10
PIN 4
GND
PIN 5
FIGURE 15. LAYOUT DETAIL OF GND BETWEEN PINS 4 AND 5
FN6381.0
October 12, 2006
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ISL8702IBZ IC SEQUENCER QUAD ADJ 14-SOIC
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ISL8701IBZ 功能描述:监控电路 ADJ QD SEQNCR 14N W/ANNEAL RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟(典型值):10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel
ISL8701IBZ-T 功能描述:监控电路 ADJ QD SEQNCR 14N W/ANNEAL RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟(典型值):10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel
ISL8702AIBZ 功能描述:监控电路 ADJ QUAD SEQNCR - 14 NSOIC W/ANNEAL RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟(典型值):10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel
ISL8702AIBZ-T 功能描述:监控电路 ADJ QD SEQNCR 14N W/ANNEAL RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟(典型值):10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel
ISL8702IBZ 功能描述:监控电路 ADJ QUAD SEQNCR - 14 NSOIC W/ANNEAL RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟(典型值):10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel