參數(shù)資料
型號(hào)： MAX6730
廠商： Maxim Integrated Products, Inc.
英文描述： 8-Channel Relay Driver with Integrated 5V LDO and Zero-Volt Detection 20-PDIP -40 to 125
中文描述： 單/雙/三電壓微處理器監(jiān)控電路，帶有獨(dú)立的看門(mén)狗輸出
文件頁(yè)數(shù)： 8/16頁(yè)
文件大小： 244K
代理商： MAX6730
M
Detailed Description
Supply Voltages
The MAX6730
–
MAX6735 microprocessor (μP) supervi-
sors maintain system integrity by alerting the μP to fault
conditions. The MAX6730
–
MAX6735 monitor one to
three supply voltages in μP-based systems and assert
an active-low reset output when any monitored supply
voltage drops below its preset threshold. The output
state remains valid for V
CC
1 or V
CC
2 greater than +0.8V.
Threshold Levels
The two-letter code in the Reset Voltage Threshold
Suffix Guide (Table 1) indicates the threshold level
combinations for V
CC
1 and V
CC
2.
Reset Output
The MAX6730
–
MAX6735 feature an active-low reset out-
put (
RST
).
RST
asserts when the voltage at either V
CC
1 or
V
CC
2 falls below the voltage threshold level, V
RSTIN
drops below its threshold, or
MR
is driven low (Figure 1).
RST
remains low for the reset timeout period (Table 2)
after V
CC
1, V
CC
2, and RSTIN increase above their
respective thresholds and after
MR
releases high.
Whenever V
CC
1, V
CC
2, or RSTIN go below the reset
threshold before the end of the reset timeout period, the
internal timer restarts. The MAX6730/MAX6732/ MAX6734
provide an open-drain
RST
output, and the MAX6731/
MAX6733/MAX6735 provide a push-pull
RST
output.
Single-/Dual-/Triple-Voltage μP Supervisory
Circuits with Independent Watchdog Output
8
_______________________________________________________________________________________
Table 1. Reset Voltage Threshold Suffix Guide**
V
CC
1 NOMINAL
VOLTAGE
THRESHOLD(V)
LT
4.625
MS
4.375
MR
4.375
TZ
3.075
SY
2.925
RY
2.625
TW
3.075
SV
2.925
RV
2.625
TI
3.075
SH
2.925
RH
2.625
TG
3.075
SF
2.925
RF
2.625
TE
3.075
SD
2.925
RD
2.625
ZW
2.313
YV
2.188
ZI
2.313
YH
2.188
ZG
2.313
YF
2.188
ZE
2.313
YD
2.188
WI
1.665
VH
1.575
WG
1.665
VF
1.575
WE
1.665
VD
1.575
**
Standard versions are shown in bold and are available in a
D3 timeout option only. Standard versions require 2500-piece
order increments and are typically held in sample stock. There
is a 10,000-piece order increment on nonstandard versions.
Other threshold voltages may be available; contact factory
for availability.
PART NO. SUFFIX
V
CC
2 NOMINAL
VOLTAGE
THRESHOLD (V)
3.075
2.925
2.625
2.313
2.188
2.188
1.665
1.575
1.575
1.388
1.313
1.313
1.110
1.050
1.050
0.833
0.788
0.788
1.665
1.575
1.388
1.313
1.110
1.050
0.833
0.788
1.388
1.313
1.110
1.050
0.833
0.788
Table 2. Reset Timeout Period Suffix Guide
ACTIVE TIMEOUT PERIOD
MIN (ms)
1.1
8.8
140
280
560
1120
TIMEOUT
PERIOD SUFFIX
MAX (ms)
2.2
17.6
280
560
1120
2240
D1
D2
D3
D5
D6
D4
相關(guān)PDF資料
PDF描述
MAX6730UTLD1-T Variable Capacitance Diodes; Surface Mount Type: Y; Package: S-MINI; Number of Pins: 3; Application Scope: VHF/UHF TV tuner
MAX6730UTLD2-T Variable Capacitance Diodes; Surface Mount Type: Y; Package: USC; Number of Pins: 2; Application Scope: CATV tuner
MAX6730UTLD3-T Variable Capacitance Diodes; Surface Mount Type: Y; Package: USC; Number of Pins: 2; Application Scope: VHF/UHF VCO
MAX6730UTLD4-T Variable Capacitance Diodes; Surface Mount Type: Y; Package: ESC; Number of Pins: 2; Application Scope: VHF/UHF TV tuner
MAX6730UTLD5-T Variable Capacitance Diodes; Surface Mount Type: Y; Package: ESC; Number of Pins: 2; Application Scope: VHF/UHF TV tuner
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX6730AUTLD1+T 功能描述:監(jiān)控電路 Single 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
MAX6730AUTLD2+T 功能描述:監(jiān)控電路 Single 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
MAX6730AUTLD3+ 制造商:Maxim Integrated Products 功能描述:VOLT SUPERVISOR PWR SUPPLY 4.625V 6PIN SOT-23 - Cut Tape Product
MAX6730AUTLD3+T 功能描述:監(jiān)控電路 Single 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
MAX6730AUTLD4+T 功能描述:監(jiān)控電路 Single-/Dual-/Triple-Voltage N

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