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AS273D1D13

Over-Temperature Detector

Astec Semiconductor => Silicon Link 

AS273

Over-Temperature Detector

Electrical Characteristics

Electrical Characteristics are guaranteed over the full junction temperature range (0 to 125¡C). Ambient temperature must be derated

based upon power dissipation and package thermal characteristics.

Parameter

Reference

Reference Voltage

Load Regulation

Average Temperature Coefficient

Output

Saturation Voltage

Breakdown Voltage

Leakage Current

Over-Temp Sensing

Temperature Accuracy

Hysteresis

Symbol Test Condition

Min.

VREF

VId

∆VREG/∆T

IREF = 2 mA, TJ = 25¡C

0.65 mA ≤ IREF ≤ 5.5 mA

0.65 mA ≤ IREF ≤ 5.5 mA

2.500

VOL

IOUT = 4 mA; TJ > TOT

BV

IOUT = 100 µA; TJ < TOT

18

IOH

VOUT = 18 V; TJ < TOT

TOT(1)

TOT(2)

TOT(3)

HOT

0.7 mA ≤ IREF ≤ 1.3 mA

Ð3

1.55 mA ≤ IREF ≤ 2.6 mA

Ð3

3.0 mA ≤ IREF ≤ 5.0 mA

Ð3

Percentage Error in Nominal Hysteresis Ð30

Typ.

2.525

5

75

200

30

1

Max. Unit

2.550

10

V

mV

ppm/¡C

400

mV

V

1000

nA

+3

¡C

+3

¡C

+3

¡C

+30

%

Test Circuit

IREF

+5V

VREF

OUT

AS273

GND

RLOAD

2 kΩ

Figure 1. Test Circuit for Output Hysteresis Curve

ASTEC Semiconductor

4

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