參數(shù)資料
型號(hào)： MAX6670AUB40+T
廠商： Maxim Integrated
文件頁數(shù)： 1/8頁
文件大?。?/td> 217K
描述： IC TEMP SENSOR REMOTE 10-UMAX
產(chǎn)品培訓(xùn)模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝： 2,500
功能： 風(fēng)扇控制，溫度監(jiān)控器
傳感器類型： 外部
感應(yīng)溫度： 40°C 跳閘點(diǎn)
精確度： ±2.2°C（最小值）
拓?fù)洌?/td> 風(fēng)扇控制
輸出類型： 數(shù)字
輸出警報(bào)： 是
輸出風(fēng)扇： 是
電源電壓： 3 V ~ 3.6 V
工作溫度： -40°C ~ 125°C
安裝類型： 表面貼裝
封裝/外殼： 10-TFSOP，10-MSOP（0.118"，3.00mm 寬）
供應(yīng)商設(shè)備封裝： 10-µMAX
包裝： 帶卷 (TR)
General Description
The MAX6668/MAX6670 remote-junction thermal
switches with an internal power transistor drive a cool-
ing fan rated for supply voltages up to +12V and
250mA. These devices measure the temperature of an
external P-N junction (typically a diode-connected tran-
sistor) and turn on the fan power switch when the
remote temperature rises above a factory-programmed
threshold. Self-contained and requiring no software
development, the MAX6668/MAX6670 are simple
drop-in fan-control solutions for a variety of systems.
The MAX6670 features an open-drain WARN output
that goes active when the remote temperature exceeds
the factory-programmed fan activation threshold by
+15癈. The MAX6670 features an open-drain OT output
that goes active when the remote temperature exceeds
the factory-programmed threshold by +30癈. The
MAX6668/MAX6670 provide a fan-control input,
FORCEON, that allows the fan to be driven externally,
regardless of temperature.
Available temperature thresholds range from +40癈 to
+75癈 in 5癈 increments. Hysteresis is preset to 8癈 on
the MAX6668 or pin selectable to 4癈, 8癈, or 12癈
using a three-level logic input on the MAX6670.
Temperature threshold accuracy is ?癈 (typ) and
?.2癈 (max) for remote-junction temperatures from
+40癈 to +75癈.
The MAX6668/MAX6670 operate from a +3V to +3.6V
power supply, and are specified over the automotive
temperature range (-40癈 to +125癈). The MAX6668 is
offered in an 8-pin 礛AX package and the MAX6670 is
available in a space-saving 10-pin 礛AX package.
Applications
Notebook and Desktop Computers
Network Switches
PC Power Supplies
Laboratory Instruments
Card Racks
Temperature Alarms
Fan Controls
Features
o +12V, 250mA Integrated Fan Driver
o No Calibration Required
o Pin-Selectable 4?/SPAN>C, 8?/SPAN>C, or 12?/SPAN>C Hysteresis
(MAX6670)
o Factory-Programmed Temperature Thresholds
from +40癈 to +75癈
o Overtemperature Warning Signals
o 110?/SPAN>A (typ) Supply Current
o Space-Saving 8-Pin and 10-Pin ?/SPAN>MAX Packages
Remote Temperature Switches with Integrated
Fan Controller/Driver
________________________________________________________________ Maxim Integrated Products   1
DXP
GND
PGND
HYST
V
DD
MAX6670
FORCEON
FANOUT
WARN
OT
V
DD
DXN
V
DD
C
S
2200pF
2N3904
10k&
10k&
250mA
FAN
+3.3V
V
DD
+12V
Typical Application Circuit
Ordering Information
19-2133; Rev 2; 11/02
Pin Configuration appears at end of data sheet.
Typical Operating Circuit appears at end of data sheet.
Ordering Information continued at end of data sheet.
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxims website at www.maxim-ic.com.
PART
TEMP
RANGE
PI N -
PA C K A G E
T H
R ESH -
O L D
( ?/SPAN> C )
MAX6668AUA40  -40?/SPAN>C to +125?/SPAN>C    8 ?/SPAN>MAX
40
MAX6668AUA45  -40癈 to +125癈    8 礛AX
45
MAX6668AUA50  -40癈 to +125癈    8 礛AX
50
MAX6668AUA60  -40癈 to +125癈    8 礛AX
60
MAX6668AUA70  -40癈 to +125癈    8 礛AX
70
MAX6668AUA75  -40癈 to +125癈    8 礛AX
75
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX6670AUB45 功能描述:板上安裝溫度傳感器 RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準(zhǔn)確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數(shù)字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關(guān)閉: 安裝風(fēng)格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor
MAX6670AUB45+ 功能描述:板上安裝溫度傳感器 Remote Temperature Switch RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準(zhǔn)確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數(shù)字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關(guān)閉: 安裝風(fēng)格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor
MAX6670AUB45+T 功能描述:板上安裝溫度傳感器 Remote Temperature Switch RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準(zhǔn)確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數(shù)字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關(guān)閉: 安裝風(fēng)格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor
MAX6670AUB45-T 功能描述:板上安裝溫度傳感器 RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準(zhǔn)確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數(shù)字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關(guān)閉: 安裝風(fēng)格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor
MAX6670AUB50 功能描述:板上安裝溫度傳感器 RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準(zhǔn)確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數(shù)字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關(guān)閉: 安裝風(fēng)格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor
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