TEC-4A
Analog Technologies, Inc.
HIGH EFFICIENCY TEC CONTROLLER
Main features: high efficiency and high power density, high precision, and zero EMI.
Specifications
Target* temp. stability v.s. ambient temp.: 0.002°C/°C
Target temp. offset:
Target temp. response time:
Efficiency:
±0.01°C
to £0.1°C in less than 5 seconds at 1°C step
³ 90%
Max. output current:
Max. output voltage:
Power supply voltage:
4A
externally adjustable from 0V to Vps - 0.2V
3.1V to 3.5V or 4.75V to 5.25V
(specify 3.3V or 5V when ordering)
0 to Vps
Set-point temp.** control voltage:
Packaging:
through hole
Shielding:
complete metal shielding on all 6 sides
15°C to 37°C @Vps = 3.3V
15°C to 50°C @Vps = 5V
-25°C to 85°C
Default set-point temp. range***:
Operating ambient temp. range:
* Target temperature refers to the actual cold side temperature of the TEC, on where the target is
mounted.
** Set-point temperature is the temperature desired to have on the target.
*** Can be customized to any range by requirement.
Thermistor
Thermal
High Efficiency
12
Temperature
Measurement
Circuit
t
Load
+
-
12
H Bridge
TEC
Compensation
Network
Drive
Set-point Temp.
Temperature
12
Temp. Good Indication
Temp. Output
Monitor
Circuit
Figure 1 TEC Controller Block Diagram
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ã Copyright 2000 – 2003, Analog Technologies, Inc. All Rights Reserved.
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