AS273F5GT 데이터 시트보기 (PDF) - Astec Semiconductor => Silicon Link

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AS273F5GT

Over-Temperature Detector

Astec Semiconductor => Silicon Link 

AS273

Over-Temperature Detector

Current Programming

There are three different over-temp thresholds

for each AS273. The detector senses the amount

of current being shunted through the 2.5 V refer-

ence of pin 1 and programs an over-temp thresh-

old based on the magnitude of that current. Fig-

ure 10 illustrates the ranges of reference shunt

current, IREF, associated with each of the three

over-temp thresholds, OT1, OT2 and OT3.

OT3

OT2

OT1

Output Disabled

Transition Regions

0

1

2

3

4

5

Reference Shunt Current, IREF (mA)

Figure 10. Reference Shunt Current Programming Ranges of Over-temperature Thresholds

ASTEC Semiconductor

8

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