© 2023
6
WHY5640 TEMPERATURE CONTROLLER
ELECTRICAL SPECIFICATIONS
ABSOLUTE MAXIMUM RATINGS
SYMBOL
WHY5640
UNIT
Supply Voltage 1 (Voltage on Pin 8)
V
DD
+5 to +26
VDC
Supply Voltage 2 (Voltage on Pin 10)
V
S
+4.5 to +30
VDC
Output Current (See SOA Chart)
I
S
±2.2
A
Power Dissipation, T
AMBIENT
= +25ºC
P
MAX
9
W
Operating Temperature, case
T
OPR
-40 to +85
ºC
Storage Temperature
T
STG
-65 to +150
ºC
OPERATING PARAMETER
TEMPERATURE CONTROL
TEST CONDITIONS
MIN
TYP
MAX
UNITS
Short Term Stability (1-hr)
T
SET
= 25ºC using 10 kΩ thermistor
0.001
0.005
0.01
ºC
Long Term Stability (24-hr)
T
SET
= 25ºC using 10 kΩ thermistor
0.003
0.008
0.01
ºC
CONTROL LOOP
P
PI
P (Proportional Gain)
1
100
A / V
I (Integrator Time Constant)
0
10
sec
Setpoint vs. Actual T Accuracy
<1%
%
OUTPUT, THERMOELECTRIC
Current, peak (see SOA chart)
±2.0
±2.2
A
Compliance Voltage, Pin 9 to Pin 13
Full Temp. Range, I
S
= 100 mA
| V
S
- 0.7 |
| V
S
- 0.5 |
V
Compliance Voltage, Pin 9 to Pin 13
Full Temp. Range, I
S
= 1 A
| V
S
- 1.2 |
| V
S
- 1.0 |
V
Compliance Voltage, Pin 9 to Pin 13
Full Temp. Range, I
S
= 2 A
| V
S
- 1.6 |
| V
S
- 1.4 |
V
POWER SUPPLY
Voltage, V
S
4.5
30
V
Voltage, V
DD
5
26
V
Current, V
S
supply, Quiescent
45
90
mA
Current, V
DD
supply, Quiescent
10
15
mA
INPUT
Offset Voltage, Initial
Pins 5 and 7
1
2
mV
Bias Current
Pins 5 and 7, T
AMBIENT
= 25ºC
20
50
nA
Offset Current
Pins 5 and 7, T
AMBIENT
= 25ºC
2
10
nA
Common Mode Range
Pins 5 and 7, Full Temp. Range
0
V
DD
-1.5
V
Common Mode Rejection
Full Temperature Range
60
85
dB
Power Supply Rejection
Full Temperature Range
60
80
dB
Input Impedance
500
kΩ
THERMAL
Heatspreader Temperature Rise
T
AMBIENT
= 25ºC
28
30
33
ºC / W
Heatspreader Temperature Rise
With WHS302 Heatsink, WTW002
Thermal Washer
18
21.5
25
ºC / W
Heatspreader Temperature Rise
With WHS302 Heatsink, WTW002
Thermal Washer, and 3.5 CFM
Fan
3.1
3.4
3.9
ºC / W
Pin Solderability Time
(Solder Temperature 260ºC)
10
sec
Not compatible with aqueous cleaning processes.
