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LM26NV 数据表(PDF) 1 Page - Texas Instruments |
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LM26NV 数据表(HTML) 1 Page - Texas Instruments |
1 / 17 page LM26NV www.ti.com SNIS151B – AUGUST 2008 – REVISED MARCH 2013 LM26NV SOT-23, ±3°C Accurate, Factory Preset Thermostat (LM26 without VTEMP output) Check for Samples: LM26NV 1 FEATURES DESCRIPTION The LM26NV is a precision, single digital-output, low- 2 • Internal Comparator with Pin Programmable power thermostat comprised of an internal reference, 2°C or 10°C Hysteresis DAC, temperature sensor and comparator. Utilizing • No External Components Required factory programming, it can be manufactured with • Open Drain or Push-Pull Digital Output; different trip points as well as different digital output functionality. The trip point (TOS) can be preset at the Supports CMOS Logic Levels factory to any temperature in the range of −55°C to • Internal Temperature Sensor +110°C in 1°C increments. The LM26NV has one • Internal Voltage Reference and DAC for Trip- digital output (OS/OS/US/US) and one digital input Point Setting (HYST). The digital output stage can be preset as either open-drain or push-pull. In addition, it can be • Currently Available in 5-Pin SOT-23 Plastic factory programmed to be active HIGH or LOW. The Package digital output can be factory programmed to indicate • Excellent Power Supply Noise Rejection an over temperature shutdown event (OS or OS) or an under temperature shutdown event (US or US). APPLICATIONS When preset as an overtemperature shutdown (OS), it will go LOW to indicate that the die temperature is • Microprocessor Thermal Management over the internally preset TOS and go HIGH when the • Appliances temperature goes below (TOS–THYST). Similarly, when • Portable Battery Powered Systems preprogrammed as an undertemperature shutdown (US) it will go HIGH to indicate that the temperature • Fan Control is below TUS and go LOW when the temperature is • Industrial Process Control above (TUS+THYST). The typical hysteresis, THYST, can • HVAC Systems be set to 2°C or 10°C and is controlled by the state of • Remote Temperature Sensing the HYST pin. • Electronic System Protection Available parts are detailed in the ordering information. For other part options, contact a Texas KEY SPECIFICATIONS Instruments Distributor or Sales Representative for information on minimum order qualification. The • Power Supply Voltage: 2.7V to 5.5 V LM26NV is currently available in a 5-lead SOT-23 • Power Supply Current: package. – 40µA(max) – 20µA(typ) • Hysteresis Temperature: 2°C or 10°C(typ) Table 1. Temperature Trip Point Accuracy Temperature Range LM26NV −55°C to +110°C ±3°C (max) +120°C ±4°C (max) 1 Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. 2 All trademarks are the property of their respective owners. PRODUCTION DATA information is current as of publication date. Copyright © 2008–2013, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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类似说明 - LM26NV |
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