Datasheet

 2001-2012 Microchip Technology Inc. DS21439D-page 3
TC620/TC621
1.0 ELECTRICAL
CHARACTERISTICS
Absolute Maximum Ratings*
Supply Voltage .......................................................20V
Input Voltage Any Input.. (GND – 0.3V) to (V
DD
+0.3V)
Package Power Dissipation (T
A
 70°C)
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
Electrical Characteristics: T
A
= 25°C, unless otherwise specified.
Symbol Parameter Min Typ Max Unit Test Conditions
V
DD
Supply Voltage Range 4.5 — 18 V
I
DD
Supply Current — 270 400 A5V  V
DD
 18V
R
OUT
Output Resistance — 400 1000 W Output High or Low, 5V  V
DD
 18V
I
OUT
Output Current — — 1 mA Temp. Sensed Source/Sink
I
OUT
Output Current — — 1 mA Cool/Heat Source/Sink
T
ERR
Absolute Accuracy T - 3 T T + 3 °C T = Programmed Temperature