参数资料
型号: LTC692IS8#PBF
厂商: Linear Technology
文件页数: 8/20页
文件大小: 0K
描述: IC MPU SUPERVISORY CIRCUIT 8SOIC
标准包装: 100
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: 高有效/低有效
复位超时: 最小为 140 ms
电压 - 阀值: 4.4V
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: 管件

LTC692/LTC693
PIN FUNCTIONS
WDI: Watchdog Input. WDI is a three level input. Driving
WDI either high or low for longer than the watchdog timeout
period, forces both RESET and WDO low. Floating WDI
disables the watchdog timer. The timer resets itself with
each transition of the watchdog input (see Figure 11).
WDO : Watchdog Logic Output. When the watchdog input
remains either high or low for longer than the watchdog
timeout period, WDO goes low. WDO is set high whenever
there is a transition on the WDI pin, or LOW LINE goes
low. The watchdog timer can be disabled by ?oating WDI
(see Figure 11).
BLOCK DIAGRAM
VBATT
VCC
C2
+
M2
M1
CHARGE
PUMP
VOUT
BATT ON
LOW LINE
+
CE IN
1.3V
GND
C1
CE OUT
PFI
OSC IN
OSC SEL
WDI
OSC
TRANSITION
DETECTOR
+
C3
RESET PULSE
GENERATOR
WATCHDOG
TIMER
PFO
RESET
RESET
WDO
LTC692/3 ? BD
0692fb
8
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