Datasheet > AQ265

AQ265

更新时间： 2022-12-17 01:49:28

品牌	Logo	应用领域
ACUTECH		/
页数	文件大小	规格书
8页	467K
描述
Adjustable Hot- Cold Thermostat SOT23-5 Package

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数据手册

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AQ265 数据手册

Acutechnology Semiconductor Inc.

AQ265

Typical Application

The device AQ265 is very simple to use. It is recommended to place the AQ265 in close proximity of the device

whose temperature is to be sensed. The device AQ265 has an open drain output, which is capable of sinking

greater than 200µA when the sensed temperature exceeds the Hot temp trip point or goes below the Cold temp

trip point. The Hot and Cold temperature trip points can be set by the addition of external resistors RSET as

depicted in FIG.1 below. 1nF capacitors must be placed from the adjust pins to ground close to the AQ265 for

noise immunity.

FIG.1

SETTING THE HOT TEMPERATURE TRIP POINT

It is assumed that the temperature coefficient of the external resistor be close to zero as it commonly is.

Higher accuracy resistors guarantee higher accuracy temperature trip point. To determine the desired Hot

temperature trip point, the resistor RSET value should be selected according to the graph below. The graph

shows the desired resistor value for the temperature range between 50ºC and 85ºC. If no external resistor is

selected, the Hot temperature trip point will be 40ºC. For an accurate RSET email info@acutechnology.com

RSET vs Hot Thresh.

90.0

85.0

80.0

75.0

70.0

65.0

60.0

55.0

50.0

300

400

500

600

700

800

900 1000 1100 1200 1300 1400 1500

RSET in Kohms

GRAPH.1

www.acutechnology.com

Rev. 1.5 January 31, 2007

1 2 345 6 7 8

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