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參數(shù)資料
| 型號： | DS1834A |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 電源管理 |
| 英文描述： | Dual EconoReset with Pushbutton(帶復位按鈕的雙路Econo復位電路) |
| 中文描述： | 2-CHANNEL POWER SUPPLY SUPPORT CKT, PDIP8 |
| 封裝： | 0.300 INCH, PLASTIC, DIP-8 |
| 文件頁數(shù)： | 4/7頁 |
| 文件大?。?/td> | 60K |
| 代理商： | DS1834A |
DS1834/A/D
062698 4/7
OUTPUT VALID CONDITIONS
All versions of the DS1834 can maintain valid outputs as
long as one input remains above 1.2 volts. However, the
RST outputs on the DS1834 use a push–pull output
structure which can maintain a valid output below 1.2
volts. To sink current below 1.2 volts a resistor can be
connected from RST to GND (see Figure 5). This
arrangement will maintain a valid value on the RST out-
puts even if all inputs are at 0 volts. During both
power–up and power–down this arrangement will draw
current when RST is in the high state. A value of about
100K
should be adequate to maintain a valid condi-
tion.
The DS1834A requires pull–up resistors on the outputs
to maintain a valid output. The value of the resistors is
not critical in most cases but must be set low enough to
pull the output to a high state. A common value used is
10K
s (see Figure 6 and Figure 7).
APPLICATION DIAGRAM: RST VALID TO 0 VOLTS V
CC
ON THE DS1834
Figure 5
RST
μ
P
INPUT
100K
APPLICATION DIAGRAM: DS1834A NMOS OUTPUTS
Figure 6
RST (5V)
TOL (5V)
GND
RST (3.3V)
TOL (3.3V)
PBRST
DS1834A
10K
10K
5V
IN
3.3V
IN
Note: If outputs are pulled–up to different voltages the outputs can not be connected to form a wired “AND”.
APPLICATION DIAGRAM: DS1834A WIRED “AND” OUTPUT
Figure 7
RST (5V)
TOL (5V)
GND
RST (3.3V)
TOL (3.3V)
PBRST
DS1834A
10K
5V
IN
3.3V
IN
5 V
IN
or 3.3V
IN
相關PDF資料 |
PDF描述 |
|---|---|
| DS1834D | Dual EconoReset with Pushbutton(帶復位按鈕的雙路Econo復位電路) |
| DS1836A | 5V MicroManager(5V微管理器) |
| DS1836B | 5V MicroManager(5V微管理器) |
| DS1836C | 3.3V MicroManager(3.3V微管理器) |
| DS1836D | 3.3V MicroManager(3.3V微管理器) |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| DS1834A+ | 功能描述:監(jiān)控電路 Dual EconoReset w/Pushbutton RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數(shù): 監(jiān)測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復位:Resettable 監(jiān)視器:No Watchdog 電池備用開關:No Backup 上電復位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| DS1834A+T&R | 制造商:Maxim Integrated Products 功能描述:PROCESSOR SUPERVISOR 4.63V/2.88V 50UA 8PDIP - Tape and Reel |
| DS1834AS | 功能描述:監(jiān)控電路 Dual EconoReset w/Pushbutton RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數(shù): 監(jiān)測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復位:Resettable 監(jiān)視器:No Watchdog 電池備用開關:No Backup 上電復位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| DS1834AS/T&R | 制造商:Maxim Integrated Products 功能描述:DUAL ECONO RST OPEN DRAIN 8P SO T&R - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC ECONORST DUAL LO OPN-DR 8SOIC 制造商:Maxim Integrated Products 功能描述:Supervisory Circuits Dual EconoReset w/Pushbutton |
| DS1834AS/T&R | 功能描述:監(jiān)控電路 Dual EconoReset w/Pushbutton RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數(shù): 監(jiān)測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復位:Resettable 監(jiān)視器:No Watchdog 電池備用開關:No Backup 上電復位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
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