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參數(shù)資料
| 型號(hào)： | 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(fù)位按鈕的雙路Econo復(fù)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)： | 2/7頁 |
| 文件大小： | 60K |
| 代理商： | DS1834A |
DS1834/A/D
062698 2/7
OPERATION
Power Monitor
The DS1834 provides the functions of detecting out–of–
tolerance conditions on a 3.3 volt and 5 volt power sup-
ply and warning a processor based system of impend-
ing power failure. When an input is detected as
out–of–tolerance on either voltage input the RST for that
supply will be forced active. When that input returns to a
valid state the RST will remain active for about 350 ms
and then return to an inactive state until the next input
out–of–tolerance condition.
On power–up both resets are kept active for approxi-
mately 350 ms after the power supply inputs have
reached the selected tolerance. This allows the power
supply and system power to stabilize before RST is
released.
All internal operating current for the DS1834 will be
drawn from the input with the highest voltage level. The
outputs will draw current only from the controlling input
(5V IN or 3.3V IN).
DS1834 BLOCK DIAGRAM
Figure 1
+
–
+
–
V
TOLERANCE
BIAS
V
TOLERANCE
BIAS
T.C.
REFERENCE
350 ms
DELAY
350 ms
DELAY
LEVEL
SENSE AND
DEBOUNCE
RST
RST
5V
IN
TOL
(5V)
PBRST
3.3V
IN
TOL
(3.3V)
GND
40K
DS1834A BLOCK DIAGRAM OUTPUT
Figure 2
RST
NMOS OUTPUT
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| DS1834D | Dual EconoReset with Pushbutton(帶復(fù)位按鈕的雙路Econo復(fù)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(guān)代理商/技術(shù)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(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):No Backup 上電復(fù)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(fēng)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(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):No Backup 上電復(fù)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(fēng)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(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):No Backup 上電復(fù)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(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
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