參數(shù)資料
型號(hào): S-1009N32I-N4T1U
元件分類: 電源管理
英文描述: 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO4
封裝: HALOGEN AND LEAD FREE, SC-82AB, 4 PIN
文件頁(yè)數(shù): 19/38頁(yè)
文件大?。?/td> 493K
代理商: S-1009N32I-N4T1U
SUPER-LOW CURRENT CONSUMPTION SUPER HIGH-ACCURACY VOLTAGE DETECTOR WITH DELAY CIRCUIT (EXTERNAL DELAY TIME SETTING)
S-1009 Series
Rev.4.2_00
Seiko Instruments Inc.
26
Application Circuit Examples
1. Microcomputer reset circuits
In microcomputers, when the power supply voltage is lower than the guaranteed operating voltage, an unspecified
operation may be performed or the contents of the memory register may be lost. When power supply voltage
returns to the normal level, the microcomputer needs to be initialized. Otherwise, the S-1009 Series may
malfunction after that.
Reset circuits to protect microcomputer in the event of current being momentarily switched off or lowered.
Using the S-1009 Series which has the low operating voltage, a high accuracy detection voltage and hysteresis,
reset circuits can be easily constructed as seen in Figure 26 and 27.
VSS
VDD
Microcomputer
S-1009C
VSS
(Only for Nch open drain output products)
VDD1
VDD2
Microcomputer
S-1009N
Figure 26 Example of reset circuit (S-1009C)
Figure 27 Example of reset circuit (S-1009N)
Caution
The above connection diagram and constant will not guarantee successful operation.
Perform thorough evaluation using the actual application to set the constant.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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