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參數(shù)資料
| 型號： | MAX6842GUKD4+T |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 電源管理 |
| 英文描述： | Ultra-Low-Voltage µP Reset Circuits and Voltage Detectors |
| 中文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO5 |
| 封裝： | SOT-23, 5 PIN |
| 文件頁數(shù)： | 4/9頁 |
| 文件大?。?/td> | 214K |
| 代理商： | MAX6842GUKD4+T |
MAX6841–MAX6845
Ultra-Low-Voltage P Reset Circuits and
Voltage Detectors
4
_______________________________________________________________________________________
Pin Description
Typical Operating Characteristics (continued)
(VCC = 1.5V, TA = +25°C, unless otherwise noted.)
NORMALIZED VCC RESET THRESHOLD
vs. TEMPERATURE
MAX6841-45
toc04
TEMPERATURE (
°C)
NORMALIZED
V
CC
RESET
THRESHOLD
60
40
20
0
-20
0.990
0.995
1.000
1.005
1.010
1.015
0.985
-40
80
VTH = 0.833V
NORMALIZED RESET IN THRESHOLD
vs. TEMPERATURE
MAX6841-45
toc05
TEMPERATURE (
°C)
NORMALIZED
RESET
IN
THRESHOLD
60
40
20
0
-20
0.990
0.995
1.000
1.005
1.010
1.015
0.985
-40
80
POWER-UP/POWER-DOWN
CHARACTERISTICS (MAX6843AUKD3)
MAX6841-45 toc06
200ms/div
VCC
1V/div
RESET
1V/div
PIN
MAX6841
MAX6842
MAX6843
MAX6845
MAX6844
NAME
FUNCTION
1
——
Push-Pull (MAX6841) or Open-Drain (MAX6842) Active-Low Reset Output. RESET
changes from high to low when VCC drops below the selected reset threshold or
MR is pulled low. RESET remains low for the reset timeout period after VCC
exceeds the device reset threshold and MR is released high.
—
1
—
RESET
Push-Pull (MAX6843) or Open-Drain (MAX6845) Active-Low Reset Output. RESET
changes from high to low when RESET IN drops below the 187.4mV reset
threshold (referenced to VCC) or MR is pulled low. RESET remains low for the
reset timeout period after RESET IN exceeds the reset threshold and MR is
released high.
2
GND
Ground
3
——
Push-Pull Active-High Reset Output. RESET changes from low to high when VCC
input drops below the selected reset threshold or MR is pulled low. RESET
remains high for the reset timeout period after VCC exceeds the device reset
threshold and MR is released high.
——
1
RESET
Push-Pull Active-High Reset Output. RESET changes from low to high when the
RESET IN input drops below the 187.4mV reset threshold (referenced to VCC).
RESET remains high for the reset timeout period after RESET IN exceeds the reset
threshold.
—
3
RESET IN
Adjustable Reset Input. High-impedance input for reset comparator. Connect this
pin to an external resistive-divider network to set the reset threshold voltage; the
typical threshold is 187.4mV (referenced to VCC). The MAX6843/MAX6844/
MAX6845 assert a reset signal when the VCC to RESET IN differential falls below
its threshold voltage.
44
4
MR
Active-Low Manual Reset Input. Internal 20k
pullup to VCC. Pull low to force a
reset. Reset remains active as long as MR is low and for the reset timeout period
after MR goes high. Leave unconnected or connect to VCC if unused.
55
5
VCC
Supply Voltage. Monitored supply for the MAX6841/MAX6842.
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| MAX6842HUKD0 | 制造商:Maxim Integrated Products 功能描述:- Cut Tape Product |
| MAX6842HUKD0+ | 制造商:Maxim Integrated Products 功能描述:- Cut Tape Product |
| MAX6842HUKD0+T | 功能描述:監(jiān)控電路 Single uPower Reset Circuit 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 人工復位:Resettable 監(jiān)視器:No Watchdog 電池備用開關:No Backup 上電復位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| MAX6842HUKD0-T | 功能描述:監(jiān)控電路 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 人工復位:Resettable 監(jiān)視器:No Watchdog 電池備用開關:No Backup 上電復位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| MAX6842HUKD1 | 制造商:Maxim Integrated Products 功能描述:- Rail/Tube |
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