3

ASTEC Semiconductor

AS300

Shunt Temperature Sensor

Typical Thermal Resistances

Package

θ

JA

θ

JC

Typical Derating

TO-92

160¡C/W

80¡C/W

6.3 mW/¡C

SOT-223

115¡C/W

8¡C/W

8.7 mW/¡C

8L SOIC

175¡C/W

45¡C/W

5.7 mW/¡C

SOT-23/3L

575¡C/W

150¡C/W

1.7 mW/¡C

Electrical Characteristics

Electrical Characteristics are guaranteed over the full junction temperature range (Ð40 to 125¡C). Ambient temperature must be

derated based upon power dissipation and package thermal characteristics.

Parameter

Symbol

Test Condition

Min.

Typ.

Max.

Unit

Output Voltage

V

TEMP

I

2.970

3.000

3.030

V

V

TEMP

I

3.690

3.730

3.770

V

Temperature Coefficient Error

I

40

µV/¡C

Minimum Operating Current

I

K(min)

0.6

mA

Output Impedance

Z

KA

I

0.3

2

½

V

TEMP

I

K

V

IN

Test Circuit

Figure 1