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| 型号： | ISL88716IB826Z-TK |
| 厂商： | Intersil |
| 文件页数： | 12/15页 |
| 文件大小： | 0K |
| 描述： | IC SUPERVISOR MPU 2.63V 8-SOIC |
| 产品培训模块： | Voltage Supervisors |
| 标准包装： | 1 |
| 类型： | 简单复位/加电复位 |
| 监视电压数目： | 1 |
| 输出： | 推挽式，图腾柱 |
| 复位： | 高有效 |
| 复位超时： | 最小为 140 ms |
| 电压 - 阀值： | 2.63V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 8-SOIC |
| 包装： | 剪切带 (CT) |
| 其它名称： | ISL88716IB826Z-TKCT |
ISL88705, ISL88706, ISL88707, ISL88708, ISL88716, ISL88813
Bipolar Voltage Sensing
Any of the ISL88705, ISL88706, ISL88707, ISL88708,
ISL88716, ISL88813 devices can be used to sense and
report the presence of both a positive and negative voltage
via the PFI and PFO, as shown in Figure 16. The V DD
monitors the positive voltage as normal and the PFI monitors
the presence of the negative supply. As the differential
voltage across the R 1 , R 2 divider is increased, the resistor
values must be chosen such that the PFI node is <1.25V
when the -V supply is satisfactory and the positive supply is
at its maximum specified value. This allows the positive
supply to fluctuate within its acceptable range without
signaling a reset. Driving the MR with the inverted PFO
signal as shown provides for reset generation when -V is not
satisfactorily present. Reset will remain asserted as long as
PFO is high.
+5V
Special Application Considerations
Using good decoupling practices will prevent transients
(i.e., due to switching noises and short duration droops in the
supply voltage) from causing unwanted resets.
When using the C POR pin, avoid stray capacitance during
layout as much as possible in order to minimize its effect on
the t POR timing.
If using a voltage resistor divider on the PFI input to critique
an external voltage and intending to use the MR input to
initiate resets then avoid having the PFI voltage less than
PFI Vth +2.2V as unintended PFO transition may occur
when MR is transitioning high.
R1
PFI
V DD
MR
PFO
100k
100k
2N3904
R2
RST
-5V
ISL8870x, ISL88716, ISL88813
RESET
V+
V-
FIGURE 16. ±5V MONITORING
12
FN8092.5
January 12, 2009
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ISL88716IP826Z | 功能描述:IC SUPERVISOR MPU 2.63V 8-PDIP RoHS:是 类别:集成电路 (IC) >> PMIC - 监控器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:- 类型:简单复位/加电复位 监视电压数目:1 输出:开路漏极或开路集电极 复位:低有效 复位超时:最小为 600 ms 电压 - 阀值:3.8V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:SC-74A，SOT-753 供应商设备封装:SOT-23-5 包装:带卷 (TR) |
| ISL88731AHRZ | 功能描述:电池管理 ISL88731A NOTEBOOK BATRY CHRGRRE-BRAND RoHS:否 制造商:Texas Instruments 电池类型:Li-Ion 输出电压:5 V 输出电流:4.5 A 工作电源电压:3.9 V to 17 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:VQFN-24 封装:Reel |
| ISL88731AHRZ | 制造商:Intersil Corporation 功能描述:IC BATTERY CHARGER LI-ION 8A TQFN-28 |
| ISL88731AHRZ-T | 功能描述:IC BATTERY CHRGR SMBUS 28-TQFN RoHS:是 类别:集成电路 (IC) >> PMIC - 电池管理 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:- 功能:电池监控器 电池化学:碱性，锂离子，镍镉，镍金属氢化物 电源电压:1 V ~ 5.5 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:SOT-23-6 供应商设备封装:SOT-6 包装:带卷 (TR) |
| ISL88731CEVAL2Z | 功能描述:EVALUATION BOARD ISL88731 RoHS:是 类别:编程器，开发系统 >> 评估演示板和套件 系列:- 标准包装:1 系列:PCI Express® (PCIe) 主要目的:接口，收发器，PCI Express 嵌入式:- 已用 IC / 零件:DS80PCI800 主要属性:- 次要属性:- 已供物品:板 |
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