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參數(shù)資料
| 型號： | ISL88705IP846Z |
| 廠商： | INTERSIL CORP |
| 元件分類： | 電源管理 |
| 英文描述： | UP Supervisor with Watchdog Timer,Power-Fail Comparator, Manual Reset and Adjustable Power-On Reset |
| 中文描述： | 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PDIP8 |
| 封裝： | ROHS COMPLIANT, PLASTIC, DIP-8 |
| 文件頁數(shù)： | 9/13頁 |
| 文件大?。?/td> | 518K |
| 代理商： | ISL88705IP846Z |
9
FN8092.0
October 18, 2005
Figures 10 - 14, illustrate the basic IC functions and
performance of the 3 implementations.
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.
FIGURE 10. RESET & RESET ASSERTION
FIGURE 11. RESET ASSERTION vs CPOR
V
DD
RESET
RESET
C
POR
= OPEN
t
POR = 213ms
V
DD
RESET
50pF
1.5s
OPEN
172ms
4.7pF
312ms
15pF
588ms
33pF
1.1s
FIGURE 12. RESET & RESET DEASSERTION
FIGURE 13. 5V PFI TO PFO RESPONSE
V
DD
RESET
RESET
PFO
PFI
PFI Vth
ISL88705, ISL88706, ISL88707, ISL88708, ISL88716, ISL88813
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