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參數(shù)資料
| 型號： | LM26CIM5X-YPA |
| 廠商： | National Semiconductor Corporation |
| 元件分類： | 溫度傳感器 |
| 英文描述： | Accurate, Factory Preset Thermostat |
| 中文描述： | 準(zhǔn)確，工廠預(yù)設(shè)溫控器 |
| 文件頁數(shù)： | 1/9頁 |
| 文件大?。?/td> | 586K |
| 代理商： | LM26CIM5X-YPA |
LM26
SOT-23,
±
3C Accurate, Factory Preset Thermostat
General Description
The LM26 is a precision, single digital-output, low-power
thermostat comprised of an internal reference, DAC, tem-
perature sensor and comparator. Utilizing factory program-
ming, it can be manufactured with different trip points as well
as different digital output functionality. The trip point (T
)
can be preset at the factory to any temperature in the range
of 55C to +110C in 1C increments. The LM26 has one
digital output (OS/OS/US/US), one digital input (HYST) and
one analog output (V
TEMP
). The digital output stage can be
preset as either open-drain or push-pull. In addition, it can be
factory programmed to be active HIGH or LOW. The digital
output can be factory programmed to indicate an over tem-
perature shutdown event (OS or OS) or an under tempera-
ture shutdown event (US or US). When preset as an over-
temperature shutdown (OS) it will go LOW to indicate that
the die temperature is over the internally preset T
OS
and go
HIGH when the temperature goes below (T
–T
). Simi-
larly, when preprogrammed as an undertemperature shut-
down (US) it will go HIGH to indicate that the temperature is
below T
US
and go LOW when the temperature is above
(T
+T
). The typical hysteresis, T
, can be set to
2C or 10C and is controlled by the state of the HYST pin. A
V
analog output provides a voltage that is proportional
to temperature and has a 10.82mV/C output slope.
Available parts are detailed in the ordering information. For
other part options, contact a National Semiconductor Dis-
tributor or Sales Representative for information on minimum
order qualification. The LM26 is currently available in a
5-lead SOT-23 package.
Applications
n
Microprocessor Thermal Management
n
Appliances
n
Portable Battery Powered Systems
n
Fan Control
n
Industrial Process Control
n
HVAC Systems
n
Remote Temperature Sensing
n
Electronic System Protection
Features
n
Internal comparator with pin programmable 2C or 10C
hysteresis
n
No external components required
n
Open Drain or push-pull digital output; supports CMOS
logic levels
n
Internal temperature sensor with V
TEMP
output pin
n
V
TEMP
output allows after-assembly system testing
n
Internal voltage reference and DAC for trip-point setting
n
Currently available in 5-pin SOT-23 plastic package
n
Excellent power supply noise rejection
Key Specifications
j
Power Supply Voltage
j
Power Supply Current
2.7V to 5.5V
40μA(max)
20μA(typ)
2C or 10C(typ)
j
Hysteresis Temperature
Temperature Trip Point Accuracy
Temperature Range
55C to +110C
+120C
LM26CIM
±
3C (max)
±
4C (max)
LM26CIM5-TPA Simplified Block Diagram and Connection Diagram
10132301
The LM26CIM5-TPA has a fixed trip point of 85C.
For other trip point and output function availability,
please see ordering information or contact National Semiconductor.
March 2005
L
3
2005 National Semiconductor Corporation
DS101323
www.national.com
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| LM26CIM5-VHA | Accurate, Factory Preset Thermostat |
| LM26CIM5-SPA | Accurate, Factory Preset Thermostat |
| LM26CIM5-RPA | Accurate, Factory Preset Thermostat |
| LM26CIM5-ZHA | Accurate, Factory Preset Thermostat |
| LM26CIM5X-VPA | DBC25S |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM26CIM5X-YPA/NOPB | 功能描述:恒溫器 RoHS:否 制造商:Maxim Integrated 功能: 開路溫度: 閉合溫度: 準(zhǔn)確性:+/- 1 C 溫度范圍:- 55 C to + 125 C 電流額定值:500 uA 電壓額定值:2.7 V to 5.5 V 產(chǎn)品:Thermostats |
| LM26CIM5X-YPE/NOPB | 功能描述:恒溫器 RoHS:否 制造商:Maxim Integrated 功能: 開路溫度: 閉合溫度: 準(zhǔn)確性:+/- 1 C 溫度范圍:- 55 C to + 125 C 電流額定值:500 uA 電壓額定值:2.7 V to 5.5 V 產(chǎn)品:Thermostats |
| LM26CIM5X-ZHA | 功能描述:恒溫器 RoHS:否 制造商:Maxim Integrated 功能: 開路溫度: 閉合溫度: 準(zhǔn)確性:+/- 1 C 溫度范圍:- 55 C to + 125 C 電流額定值:500 uA 電壓額定值:2.7 V to 5.5 V 產(chǎn)品:Thermostats |
| LM26CIM5X-ZHA/NOPB | 功能描述:恒溫器 RoHS:否 制造商:Maxim Integrated 功能: 開路溫度: 閉合溫度: 準(zhǔn)確性:+/- 1 C 溫度范圍:- 55 C to + 125 C 電流額定值:500 uA 電壓額定值:2.7 V to 5.5 V 產(chǎn)品:Thermostats |
| LM26CIM5-YHA | 功能描述:恒溫器 RoHS:否 制造商:Maxim Integrated 功能: 開路溫度: 閉合溫度: 準(zhǔn)確性:+/- 1 C 溫度范圍:- 55 C to + 125 C 電流額定值:500 uA 電壓額定值:2.7 V to 5.5 V 產(chǎn)品:Thermostats |
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