© 2022
9
WTC32ND TEMPERATURE CONTROLLER
PARAMETER
SYMBOL
WTC32ND
WTC32ND-HB
UNIT
NOTE
VSET
Input Impedence
VSET
1
MΩ
VSET Damage Threshold
VSET
> V
DD
+ 0.7 or < -0.7
Volts
Setpoint vs. Actual T Accuracy
<2
%
TSET = 25ºC using 10 kΩ
thermistor
BIAS CURRENT
Bias Current Accuracy
1
%
Include the tolerance of
the bias current resistor
THERMAL
Heatspreader Temperature Rise
+28 to +33
ºC / W
T
AMBIENT
= 25ºC
Heatspreader Temperature Rise
+18 to +25
ºC / W
With WHS302 Heatsink &
WTW002 Thermal Washer
Heatspreader Temperature Rise
+3.1 to +3.9
ºC / W
With WHS302 Heatsink,
WTW002 Washer, and
3.5 CFM Fan
Pin Solderability Time
(1)
5
sec
Solder temperature 390°C
FEEDBACK LOOP
Proportional Gain
PGAIN
1 - 100
A / V
Integrator Time Constant
ITERM
0.53 - 4.5
Seconds
(1)
Not compatible with aqueous cleaning processes
