ATLS4A214D is the diode laser driver in the high output current and input voltage laser driver 214 series, which are designed to drive one or more diode lasers simultaneously with up to 4A well controlled output current at high efficiency of 90%. High efficiency makes the laser driver generate small amount of heat, which needs no
heat sinks during normal operation. In this series, there are other two laser drivers, i.e.
ATLS6A214D and
ATLS8A214D. These two laser drivers come with different maximum output currents, 6A and 8A respectively.
The input voltage ranges from 5V to 14V. There are dual independent current set ports, which are digitally controlled to switch between them for setting the output current. This feature allows users to modulate the laser digitally with two preset current values. Dedicated ports are used to monitor actual laser current and laser driver temperature. When the laser driver temperature exceeds 120°C, the laser driver will shut down the output stage by itself.
Figure 1. The photo of the high voltage laser driver ATLS4A214D
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