參數(shù)資料
型號(hào): L9952GXP
廠商: STMICROELECTRONICS
元件分類: 電源管理
英文描述: 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PDSO36
封裝: LEAD FREE, SSO-36
文件頁(yè)數(shù): 32/68頁(yè)
文件大小: 859K
代理商: L9952GXP
Electrical characteristics
L9952GXP
Doc ID 13518 Rev 5
Figure 13. Watchdog timing
T
LW
= long window < 65ms
T
CW
= closed window < 6ms
T
OW
= open window < 10ms
trigger signal
T
WDR
= watchdog reset = 2ms
tim e / m s
Normal startup operation and timeout failures
WD-
trigger
= correct trigger timing
T
LW
T
CW
+ T
OW
M issing uC trigger signal
T
CW
T
CW
+ T
OW
NRES-
Out
T
WDR
T
LW
= early trigger timing
= missing trigger
T
LW
T
WDR
normal operation
missing
trigger
early
write
T
LW
NRES-
Out
T
WDR
T
WDR
WD-
trigger
T
LW
T
LW
T
WDR
tim e / m s
0
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