参数资料
型号: NCV8518PWG
厂商: ON Semiconductor
文件页数: 7/12页
文件大小: 0K
描述: IC REG LDO 5V .25A 16-SOIC
标准包装: 47
稳压器拓扑结构: 正,固定式
输出电压: 5V
输入电压: 6 V ~ 28 V
电压 - 压降(标准): 0.425V @ 150mA
稳压器数量: 1
电流 - 输出: 250mA
电流 - 限制(最小): 255mA
工作温度: -40°C ~ 150°C
安装类型: 表面贴装
封装/外壳: 16-SOIC(0.295",7.50mm 宽)裸露焊盘
供应商设备封装: 16-SOIC W
包装: 管件
NCV8518
TIMING DIAGRAMS
V IN , ENABLE
RESET
Wake Up
Duty Cycle = 50%
Wake Up
RESET High
to Wake Up
Delay Time
WDI
V OUT
POR
Min WDI falling
edge delay after
Wake Up rising
edge
Wake Up Duty Cycle will be 50% when the WDI
pulse occurs at the low state of the Wake Up Signal.
Power Up
Microprocessor
Sleep Mode
Normal Operation with Varying Watchdog Signal
Figure 2. Power Up, Sleep Mode and Normal Operation
V IN , ENABLE
RESET Delay Time
RESET
Wake Up
RESET High
WDI
V OUT
POR
Wake Up Period
to Wake Up
Delay Time
Figure 3. Error Condition: Watchdog Remains Low and a RESET is Issued
RESET
Wake Up
WDI
Wake Up
Response to Reset
Wake Up
Period
V IN , ENABLE
RESET Threshold
V OUT
POR
V OUT Decreasing
Power Down
POR
Wake Up
Response to
WDI
Figure 4. Power Down, Restart Sequence, and Wake Up Response to WDI
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