© 2006 Microchip Technology Inc.

DS21439C-page 3

TC620/TC621

1.0

ELECTRICAL

CHARACTERISTICS

Absolute Maximum Ratings*

Supply Voltage ....................................................... 20V

PDIP ............................................. 730 mW

SOIC ............................................. 470 mW

Derating Factors:

Plastic .......................................... 8 mW/°C

Operating Temperature:

M Version......................... -55°C to +125°C

V Version ......................... -40°C to +125°C

E Version ........................... -40°C to +85°C

C Version .............................. 0°C to +70°C

Storage Temperature ......................... -65°C to +150°C

*Stresses above those listed under “Absolute Maxi-

mum Ratings” may cause permanent damage to the

device. These are stress ratings only and functional

operation of the device at these or any other conditions

above those indicated in the operation sections of the

specifications is not implied. Exposure to Absolute

Maximum Rating conditions for extended periods may

affect device reliability.

TC620/TC621 ELECTRICAL SPECIFICATIONS

Symbol

Parameter

Min

Typ

Max

Unit

Test Conditions

Supply Voltage Range

4.5

—

18

V

Supply Current

—

270

400

Output Resistance

—

400

1000

W

Output High or Low, 5V

Output Current

—

—

1

mA

Temp. Sensed

Source/Sink

Output Current

—

—

1

mA

Cool/Heat

Source/Sink

Absolute Accuracy

T - 3

T

T + 3

°C

T = Programmed Temperature