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參數(shù)資料
| 型號： | DS1830A |
| 英文描述： | Reset Sequence Pushbutton |
| 文件頁數(shù)： | 2/7頁 |
| 文件大?。?/td> | 276K |
| 代理商： | DS1830A |
D1830/A
2 of 7
OPERATION — POWER MONITOR
The DS1830 provides the functions of detecting out-of-tolerance conditions on a power supply and
warning a processor based system of impending power failure. When V
CC
is detected as out-of-tolerance
all reset outputs will be forced active. When V
CC
returns to a valid state,
RST1
will remain active for
period of time based on the condition of the TD input. Reset outputs
RST2
and
RST3
follow
RST1
, each
one at the proper delays for the condition of the TD input. All resets will remain in the inactive state
(high) until the next V
CC
out-of-tolerance condition or pushbutton reset. On power-up all resets are kept
active for an appropriate period determined by the status of the TD input after the power supply inputs
have reached the selected tolerance. This allows the power supply and system power to stabilize before
the reset sequences are released.
BLOCK DIAGRAM
Figure 1
OPERATION — TOLERANCE SELECT
The DS1830/A provides a TOL input for individual customization of the DS1830x to specific application
requirements (see Table 1). For the tolerance selection, see Table 1 below. The TOL input is only
sampled while V
CC
is below the lowest potential trip value and can not be changed after the V
CC
voltage
exceeds the lowest potential trip value.
TOL — TOLERANCE SELECT
Table 1
TOL
V
CC
GND
OPEN
(N.C.)
5V (DS1830)
5%
10%
3.3V (DS1830A)
5%
10%
15%
20%
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| DS1830AS | Reset Sequence Pushbutton |
| DS1830AU | Reset Sequence Pushbutton |
| DS1830U | Reset Sequence Pushbutton |
| DS1830S | Reset Sequence Pushbutton |
| DS1834A | Dual EconoReset with Pushbutton |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DS1830A+ | 功能描述:監(jiān)控電路 Reset Sequencer 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 |
| DS1830AS | 功能描述:監(jiān)控電路 Reset Sequencer 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 |
| DS1830AS/T&R | 制造商:Maxim Integrated Products 功能描述:3.3V RESET SEQUENCER 8P SOIC T&R - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC SEQUENCER RESET PB 3.3V 8SOIC 制造商:Maxim Integrated Products 功能描述:Supervisory Circuits Reset Sequencer |
| DS1830AS/T&R | 功能描述:監(jiān)控電路 Reset Sequencer 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 |
| DS1830AS+ | 功能描述:監(jiān)控電路 Reset Sequencer 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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