二次补偿开关型半导体激光温控电源设计

doi:10.3969/j.issn.1001-2400.2012.03.031

Abstract

Abstract:

A semiconductor laser temperature control power supply is designed, combined with switch mode conversion and PID regulation technology, which is used to drive a TEC(thermoelectric cooler) in the semiconductor Laser Diode for controling its temperature. Due to the use of unique two compensatory technology, firstly we obtain a good dynamic response, and then reduce the volume of the temperature control power supply evidently and improve the conversion efficiency; at the same time the output voltage and current can be regulated smoothly instead of PWM regulation mode, and to solve the problem of switch mode power supply will suit the request of temperature control with difficulty. We discard the PWM output mode which does not suit temperature control. The volume of power supply by the new design way is 10 percent of the primary version and the input power is 20 percent of the primary version, so the new semiconductor laser temperature control power supply is very suitable to being used in laser televsion.

Key words: semiconductor laser temperature control power supply, laser televesion, combine switch mode convert and PID regulate technology, two compensations, efficiency

LIU Tanping;WANG Zhaoba;LIU Weiqi. Design of the switch-mode two-compensatory semiconductor laser temperature control power supply[J].J4, 2012, 39(3): 190-195.

References

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Design of the switch-mode two-compensatory semiconductor laser temperature control power supply

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