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參數(shù)資料
| 型號(hào)： | MAX6737XKZ |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | Low-Power Dual-/Triple-Voltage SC70 UP Supervisory Circuits |
| 中文描述： | 低功耗Dual-/Triple-Voltage SC70封裝的監(jiān)控電路 |
| 文件頁(yè)數(shù)： | 10/16頁(yè) |
| 文件大?。?/td> | 209K |
| 代理商： | MAX6737XKZ |
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M
Low-Power Dual-/Triple-Voltage SC70 μP
Supervisory Circuits
10
______________________________________________________________________________________
Detailed Description
Supply Voltages
The MAX6736
–
MAX6745 μP supervisory circuits main-
tain system integrity by alerting the μP to fault condi-
tions. These devices are optimized for systems that
monitor two or three supply voltages. The reset output
state is guaranteed to remain valid while either V
CC
1 or
V
CC
2 is above 1.2V.
Threshold Levels
The MAX6736/MAX6737/MAX6740/MAX6741/MAX6743/
MAX6744 input voltage threshold combinations are indi-
cated by a two-letter code in Table 1. The MAX6738/
MAX6739/MAX6742/MAX6745 input voltage thresholds
are indicated by a one-letter code in Table 2. Contact the
factory for the availability of other voltage thresholds.
Reset Output
The MAX6736
–
MAX6745 provide an active-low reset out-
put (
RESET
).
RESET
is asserted when the voltage at
either V
CC
1 or V
CC
2 falls below the voltage threshold
level, RSTIN drops below the threshold, or
MR
is pulled
low. Once reset is asserted, it stays low for the reset time-
out period. If V
CC
1, V
CC
2, or RSTIN goes below the reset
threshold before the reset timeout period is completed,
the internal timer restarts. The MAX6736/MAX6738/
MAX6740/MAX6741/MAX6742 have open-drain reset out-
puts, while the MAX6737/MAX6739/MAX6743/MAX6744/
MAX6745 have push-pull reset outputs (Figure 1).
The MAX6740/MAX6741/MAX6742 include a
RESET
output with a manual reset detect function. The open-
drain
RESET
output has an internal 50k
pullup to
V
CC
1. The
RESET
output is low while the output is
pulled to GND and remains low for at least the manual
reset timeout period after the external GND pulldown is
V
TH
1
V
CC
1
GND
GND
t
RP
t
MRP
GND
POK1
GND
V
TH
2
V
CC
2
GND
t
POKP
MR
RESET
SWITCH
BOUNCE
SWITCH
BOUNCE
Figure 1. Timing Diagram
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| MAX6738XKLD3-T | Low-Power Dual-/Triple-Voltage SC70 UP Supervisory Circuits |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX6737XKZED3 | 制造商:Maxim Integrated Products 功能描述:LOW-POWER DUAL-/TRIPLE-VOLTAGE SC70 - Rail/Tube |
| MAX6737XKZED3+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 |
| MAX6737XKZED3-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 |
| MAX6737XKZED7 | 制造商:Maxim Integrated Products 功能描述:LOW-POWER DUAL-/TRIPLE-VOLTAGE SC70 - Rail/Tube |
| MAX6737XKZED7-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 |
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