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Analog Technologies, Inc.

5V/2.5A or 3V/2.5A TEC (TE Cooler) Controller/driver - 50209 TEC-A1LD HIGH EFFICIENCY TEC CONTROLLER

Main features: high efficiency, high precision, high reliability, zero EMI, and surface mount. Specifications Target* temp. stabilityv.s. ambient temp.: 0.002 ° C/ ° CTarget temp. offset: ± 0.01 ° CTarget temp. response time: to ≤ 0.1 ° C in less than 5 seconds at 1 ° C stepEfficiency: ≥ 90%Max.output current:2.5AMax.output voltage: externally adjustable from 0V to Vps − 0.2VPower supply voltage: 3.1V to 3.5V or 4.75V to 5.25V(specify 3.3V or 5V when ordering)Set-point temp.** control voltage:0 to Vps Packaging:surface mount or through hole Shielding:complete metal shielding on all 6 sidesDefault set-point temp. range***:15 ° C to 37 ° C @Vps = 3.3V15 ° C to 50 ° C @Vps = 5VOperating ambient temp. range:-25 ° C to 85 ° C*Target temperature refers to the actual cold side temperature of the TEC, on where the target ismounted.**Set-point temperature is the temperature desired to have on the target. *** Can be customized to any range by requirement.
Thermistor Thermal t Temperature LoadCompensationNetwork12 High EfficiencyH BridgeDrive12 MeasurementCircuit 12 ++−− TEC Set-point Temp. TemperatureMonitorCircuit Temp. Good Indication Temp. Output Figure 1 TEC Controller Block Diagram 550 E. Weddell Drive, Suite 4, Sunnyvale, CA 94089, U. S. A. Tel.: (408) 747-9760, Fax: (408) 747-9770, Web: www.analogtechnologies.com  Copyright 2000 – 2003, Analog Technologies, Inc. All Rights Reserved. 1