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SLM8833
Ultra-Compact, 1.5A Thermoelectric Cooler (TEC) Controller
GENERAL DESCRIPTION
FEATURES
The SLM8833 is a monolithic TEC controller with an integrated TEC controller. It has a linear power stage and a pulse-width modulation (PWM) power stage.
The linear controller works with the PWM driver to control the internal power MOSFETs in an H-bridge configuration. Depending on the control voltage at the CONT input, the SLM8833 drives current through a TEC to settle the temperature of a laser diode or a passive component attached to the TEC module to the programmed target temperature.
The control voltage applied to the CONT input pin is generated by a digital-to-analog converter (DAC) closing the digital proportional, integral, derivative (PID) loop of temperature control system.