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參數資料
| 型號： | HT7022A |
| 廠商： | Holtek Semiconductor Inc. |
| 英文描述： | Voltage Detector |
| 中文描述： | 電壓檢測器 |
| 文件頁數： | 7/16頁 |
| 文件大?。?/td> | 162K |
| 代理商： | HT7022A |
HT70XX
Rev. 1.60
7
January 14, 2003
The hysteresis width is:
V
HYS
= V
DET
(+)
V
DET
( )
The figure demonstrates the NMOS output type with
positive output polarity (V
OUT
is normally open, active
low). The HT70XX series also supplies options for other
output types with active high outputs. Application cir-
cuits shown are examples of positive output polarity
(normally open, active low) unless otherwise specified.
! !
"
#
NMOS output voltage detector (HT70XXA)
Application Circuits
Microcomputer reset circuit
Normally a reset circuit is required to protect the micro-
computer system from malfunctions due to power line
interruptions. The following examples show how differ-
ent output configurations perform a reset function in var-
ious systems.
NMOS open drain output application for separate
power supply
NMOS open drain output application with R-C delay
Power-on reset circuit
With several external components, the NMOS open
drain type of the HT70XX series can be used to perform
a power-on reset function as shown:
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| HT7027A | Voltage Detector |
| HT7033A | Voltage Detector |
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相關代理商/技術參數 |
參數描述 |
|---|---|
| HT7022A(SOT-89) | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Industrial Control IC |
| HT7022A(TO-92) | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Industrial Control IC |
| HT7022A-1 | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:TinyPower Voltage Detector |
| HT7022A-2 | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:TinyPowerTM Voltage Detector |
| HT7022A-3 | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:TinyPowerTM Voltage Detector |
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