LM26NV - 具有固定跳变点的温度开关

LM26NV是TI德州仪器公司的一款温控器/温度开关产品，LM26NV是具有固定跳变点的温度开关，本站介绍了LM26NV的封装应用图解、特点和优点、功能等，并给出了与LM26NV相关的TI元器件型号供参考。

LM26NV - 具有固定跳变点的温度开关 - 温控器/温度开关 - 温度传感器和控制IC - 德州仪器

产品描述

The LM26NV 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 −55°C to +110°C in 1°C increments. The LM26NV has one digital output (OS/OS/US/US) and one digital input (HYST). 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.

Available parts are detailed in the ordering information. For other part options, contact a Texas Instruments Distributor or Sales Representative for information on minimum order qualification. The LM26NV is currently available in a 5-lead SOT-23 package.

产品特性

Internal Comparator with Pin Programmable 2°C or 10°C Hysteresis
No External Components Required
Open Drain or Push-Pull Digital Output; Supports CMOS Logic Levels
Internal Temperature Sensor
Internal Voltage Reference and DAC for Trip-Point Setting
Currently Available in 5-Pin SOT-23 Plastic Package
Excellent Power Supply Noise Rejection

Key Specifications

Power Supply Voltage: 2.7V to 5.5 V
Power Supply Current:
- 40µA(max)
- 20µA(typ)
Hysteresis Temperature: 2°C or 10°C(typ)

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