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LM27CIM5X-1HJSLASHNOPB.A数据手册规格书PDF详情
1FEATURES
2• Internal Comparator with Pin Selectable 2°C or
10°C Hysteresis
• No External Components Required
• Open-drain or Push-pull Digital Output;
Supports CMOS Logic Levels
• Internal Temperature Sensor with V TEMP Output Pin
• VTEMP Output Allows After-assembly System
Testing
• Internal Voltage Reference and DAC for Trip-
point Setting
• Currently Available in 5-pin SOT-23 Plastic
Package
• Excellent Power Supply Noise Rejection
APPLICATIONS
• Microprocessor Thermal Management
• Appliances
• Portable Battery Powered Systems
• Fan Control
• Industrial Process Control
• HVAC Systems
• Electronic System Protection
KEY SPECIFICATIONS
• Power Supply Voltage 2.7V to 5.5V
• Power Supply Current 40μA (Max), 15μA (Typ)
• Hysteresis Temperature 2°C or 10°C (Typ)
• Temperature Trip Point Accuracy ±3°C (Max)
DESCRIPTION
The LM27 is a precision, single digital-output, low-
power thermostat comprised of an internal reference,
DAC, temperature sensor and comparator. Utilizing
factory programming, it can be manufactured with
different trip points as well as different digital output
functionality. The trip point (TOS) can be preset at the
factory to any temperature in the range of +120°C to
+150°C in 1°C increments. The LM27 has one digital output (OS/OS/US/US), one digital input (HYST) and
one analog output (VTEMP). 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 temperature shutdown event (OS or OS) or an under temperature
shutdown event (US or US). When preset as an
overtemperature shutdown (OS) it will go LOW to
indicate that the die temperature is over the internally
preset TOS and go HIGH when the temperature goes
below (TOS–THYST). Similarly, when preprogrammed
as an undertemperature shutdown (US) it will go
HIGH to indicate that the temperature is below TUS
and go LOW when the temperature is above
(TUS+THYST). The typical hysteresis, THYST, can be set to 2°C or 10°C and is controlled by the state of the
HYST pin. A VTEMP analog output provides a voltage
that is proportional to temperature and has a
−10.7mV/°C output slope.
Currently, there are several standard parts available,
see Table 1. For other part options, contact a Texas
Instruments Distributor or Sales Representative for information on minimum order qualification. The
LM27 is currently available in a 5-lead SOT-23
package.
供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
---|---|---|---|---|---|---|---|
NS/国半 |
23+ |
SOT23-5 |
50000 |
全新原装正品现货,支持订货 |
|||
NS/TI |
17+ |
SOT23-5 |
6200 |
100%原装正品现货 |
|||
TI |
20+ |
传感器 |
3000 |
就找我吧!--邀您体验愉快问购元件! |
|||
TI/德州仪器 |
24+ |
NA/ |
10850 |
原装现货,当天可交货,原型号开票 |
|||
TI/德州仪器 |
22+ |
SOT23-5 |
20000 |
原装现货,实单支持 |
|||
ADI |
23+ |
SOT23-5 |
8000 |
只做原装现货 |
|||
Texas Instruments |
25+ |
SC-74A SOT-753 |
9350 |
独立分销商 公司只做原装 诚心经营 免费试样正品保证 |
|||
TI |
24+ |
con |
35960 |
查现货到京北通宇商城 |
|||
NS/国半 |
24+ |
SOT235 |
60000 |
||||
NationalSemiconductor(TI |
24+ |
原厂原装 |
6000 |
进口原装正品假一赔十,货期7-10天 |
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Datasheet数据表PDF页码索引
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Texas Instruments 美国德州仪器公司
德州仪器(Texas Instruments),简称TI,是全球领先的半导体公司,为现实世界的信号处理提供创新的数字信号处理(DSP)及模拟器件技术。除半导体业务外,还提供包括传感与控制、教育产品和数字光源处理解决方案。TI总部位于美国德克萨斯州的达拉斯,并在25多个国家设有制造、设计或销售机构。德州仪器是推动互联网时代不断发展的半导体引擎,作为实时技术的领导者,TI正在快速发展,在无线与宽带接入等大型市场及数码相机和数字音频等新兴市场方面,凭借性能卓越的半导体解决方案不断推动着互联网时代的前进步伐。TI预想未来世界的方方面面都渗透着TI产品的点点滴滴,每个电话、每次上网、拍的每张照片、听的每