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參數(shù)資料
| 型號(hào)： | MAX6800UR46D3-T |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 電源管理 |
| 英文描述： | Analog IC |
| 中文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO3 |
| 封裝： | TO-236AB, SOT-23, 3 PIN |
| 文件頁(yè)數(shù)： | 1/7頁(yè) |
| 文件大?。?/td> | 147K |
| 代理商： | MAX6800UR46D3-T |
General Description
The MAX6800/MAX6801/MAX6802 microprocessor (μP)
supervisory circuits monitor the power supplies in 2.85V
to 5.0V μP and digital systems. They increase circuit
reliability and reduce cost by eliminating external com-
ponents and adjustments.
These devices perform a single function—they assert a
reset signal whenever the V
CC
supply voltage declines
below a preset threshold, keeping it asserted for a preset
timeout period after V
CC
has risen above the reset
threshold. The only difference among the three devices
is their output. The MAX6801 (push/pull) and MAX6802
(open-drain) have an active-low
RESET
output, while the
MAX6800 (push/pull) has an active-high RESET output.
The MAX6800/MAX6801 are guaranteed to be in the cor-
rect state for V
CC
down to 0.7V. The MAX6802 is guaran-
teed to be in the correct state for V
CC
down to 1.0V.
The reset comparator in these ICs is designed to ignore
fast transients on V
CC
. Reset thresholds are factory-
trimmable between 2.63V and 4.80V, in approximately
100mV increments. These devices are available with a
1ms (min), 20ms (min), or 100ms (min) reset pulse
width. Ideal for space-critical applications, the
MAX6800/MAX6801/MAX6802 come packaged in a 3-
pin SOT23. For a lower threshold voltage version, see
the MAX6332/MAX6333/MAX6334.
Applications
Computers
Controllers
Intelligent Instruments
Critical μP/μC Power Monitoring
Portable/Battery-Powered Equipment
Automotive
Features
o
Ultra-Low 0.7V Operating Supply Voltage
o
Low 4.0μA Supply Current
o
Precision Monitoring of 2.85V to 5.0V Power-
Supply Voltages
o
Reset Thresholds Available from 2.63V to 4.80V,
in Approximately 100mV Increments
o
Fully Specified over Temperature
o
Three Power-On Reset Timeout Periods Available
(1ms min, 20ms min, 100ms min)
o
Low Cost
o
Three Available Output Structures: Push/Pull
RESET, Push/Pull
RESET
, Open-Drain
RESET
o
Guaranteed RESET/
RESET
Valid to V
CC
= 0.7V
(MAX6800/MAX6801)
o
Power-Supply Transient Immunity
o
No External Components Required
o
3-Pin SOT23 Package
o
Pin Compatible with MAX809/MAX810,
MAX6326/MAX6327/MAX6328, and
MAX6346/MAX6347/MAX6348
M
3-Pin, Low-Power
μP Reset Circuits
________________________________________________________________
Maxim Integrated Products
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
1
PART*
MAX6800
UR_ _D_-T
MAX6801
UR_ _D_-T
MAX6802
UR_ _D_-T
-40°C to +125°C
-40°C to +125°C
-40°C to +125°C
TEMP. RANGE
PIN-PACKAGE
3 SOT23-3
3 SOT23-3
3 SOT23-3
Ordering Information
*
These devices are available in factory-set V
CC
reset thresh-
olds from 2.63V to 4.80V, in approximately 0.1V increments.
Choose the desired reset threshold suffix from Table 1 and
insert it in the blanks following “UR” in the part number.
Factory-programmed reset timeout periods are also available.
Insert the number corresponding to the desired nominal reset
timeout period (1 = 1ms min, 2 = 20ms min, 3 = 100ms min) in
the blank following “D” in the part number. There are 15 stan-
dard versions with a required order increment of 2500 pieces.
Sample stock is generally held on the standard versions only
(see Selector Guide). Contact the factory for availability of non-
standard versions (required order increment is 10,000 pieces).
All devices available in tape-and-reel only.
Typical Operating Circuit and Pin Configuration appear
at end of data sheet.
Selector Guide appears at end of data sheet.
19-1933 Rev 1; 2/01
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX6800UR47D1 | 制造商:Maxim Integrated Products 功能描述:3-PIN LOW-POWER MICROPROCESSOR RES - Rail/Tube |
| MAX6800UR47D1+ | 制造商:Maxim Integrated Products 功能描述:PROCESSOR SUPERVISOR 4.7V 5UA 3PIN SOT-23 - Rail/Tube |
| MAX6800UR47D1+T | 功能描述:監(jiān)控電路 Single uPower 3-Pin Reset Circuit 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 |
| MAX6800UR47D1-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 |
| MAX6800UR47D2 | 制造商:Maxim Integrated Products 功能描述:3-PIN LOW-POWER MICROPROCESSOR RES - Rail/Tube |
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