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參數(shù)資料
| 型號(hào)： | MAX6303CUA |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類(lèi)： | 電源管理 |
| 英文描述： | +5V, Low-Power uP Supervisory Circuits with Adjustable Reset/Watchdog |
| 中文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8 |
| 封裝： | MO-187CAA, MICRO MAX PACKAGE-8 |
| 文件頁(yè)數(shù)： | 7/12頁(yè) |
| 文件大?。?/td> | 102K |
| 代理商： | MAX6303CUA |
timeout period, then momentarily pulses high, resetting
the watchdog counter. When WDI is left unconnected,
the watchdog timer is cleared by this internal driver just
before the timeout period is reached (the internal driver
pulls WDI high at about 94% of t
WD
). When WDI is
three-stated, the maximum allowable leakage current of
the device driving WDI is 10μA.
In normal mode (WDS = GND), the watchdog timer
cannot be disabled by three-stating WDI. WDI is a
high-impedance input in this mode. Do not leave WDI
unconnected in normal mode.
M
+5V, Low-Power μP S upervisory Circ uits
with Adjustable Reset/Watc hdog
_______________________________________________________________________________________
7
V
CC
V
CC
0V
0V
WDI
RESET
NORMAL MODE (WDS = GND)
t
WD
t
RP
V
CC
V
CC
0V
0V
WDI
RESET
EXTENDED MODE (WDS = V
CC
)
t
WD
x 500
t
RP
Figure 2a. Watchdog Timing Diagram, WDS = GND
Figure 2b. Watchdog Timing Diagram, WDS = V
CC
0.1μF
MAX6301
MAX6302
MAX6303
MAX6304
V
CC
GND
C
RST
= t
RP
2.67
V
CC
C
SWT
C
SRT
C
RST
in pF
t
WD
in μs
C
SWT
= t
WD
2.67
C
SWT
in pF
t
WD
in μs
SRT
SWT
Figure 3. Calculating the Reset (C
SRT
) and Watchdog
(C
SWT
) Timeout Capacitor Values
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MAX6303EPA | +5V, Low-Power uP Supervisory Circuits with Adjustable Reset/Watchdog |
| MAX6303ESA | +5V, Low-Power uP Supervisory Circuits with Adjustable Reset/Watchdog |
| MAX6304CPA | +5V, Low-Power uP Supervisory Circuits with Adjustable Reset/Watchdog |
| MAX6304CSA | +5V, Low-Power uP Supervisory Circuits with Adjustable Reset/Watchdog |
| MAX6304CUA | +5V, Low-Power uP Supervisory Circuits with Adjustable Reset/Watchdog |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX6303CUA+ | 功能描述:監(jiān)控電路 5V uPower Supervisor RoHS:否 制造商:STMicroelectronics 監(jiān)測(cè)電壓數(shù): 監(jiān)測(cè)電壓: 欠電壓閾值: 過(guò)電壓閾值: 輸出類(lèi)型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開(kāi)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 |
| MAX6303CUA+T | 功能描述:監(jiān)控電路 5V uPower Supervisor RoHS:否 制造商:STMicroelectronics 監(jiān)測(cè)電壓數(shù): 監(jiān)測(cè)電壓: 欠電壓閾值: 過(guò)電壓閾值: 輸出類(lèi)型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開(kāi)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 |
| MAX6303CUA-T | 功能描述:監(jiān)控電路 RoHS:否 制造商:STMicroelectronics 監(jiān)測(cè)電壓數(shù): 監(jiān)測(cè)電壓: 欠電壓閾值: 過(guò)電壓閾值: 輸出類(lèi)型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開(kāi)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 |
| MAX6303EPA | 功能描述:監(jiān)控電路 RoHS:否 制造商:STMicroelectronics 監(jiān)測(cè)電壓數(shù): 監(jiān)測(cè)電壓: 欠電壓閾值: 過(guò)電壓閾值: 輸出類(lèi)型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開(kāi)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 |
| MAX6303EPA+ | 制造商:Maxim Integrated Products 功能描述: 制造商:Rochester Electronics LLC 功能描述: |
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