ATLSXA212 Series 14V High Voltage Laser Drivers

In order to meet the need for driving high voltage diode lasers or driving a serial of diode lasers simultaneously, we have developed ATLSXA212 series laser drivers/controllers: ATLS50MA212D, ATLS500MA212D, ATLS1A212D, ATLS2A212D, and ATLS3A212D. Their input voltage can be between 4.75V to 16V, the output voltage can be from 1V to (VPS -1V), where VPS is the power supply input voltage. The maximum output voltage can reach 14V when powered by a 15V supply. They have 4 current capability versions, 500mA, 1A, 2A and 3A, and are packed in 2 styles: DIP (Dual In Line) through hole package and SMT (Surface Mount Technology) package. The former has the part number with a suffix "D", for the latter the suffix is "S". For example: ATLS2A212D or ATLS2A212S. The main features are: high efficiency, high output power, small size, high current stability, low output noise, and wide modulation bandwidth. These controllers can be evaluated conveniently by using their evaluation board, ATLS212EV1.0. Since these series laser drivers can output high power and the high power lasers are often costly. In order to avoid making costly mistakes when evaluating this series of laser controllers, we have also developed a load assembly that can be used to emulate the expensive laser diodes for evaluating the laser controllers.

ATLS50MA212D

ATLS50MA212, is an electronic module that has all the valuable and important, but often difficult to achieve simultaneously, features simultaneously: wide input and output voltage range, high output current capability, high efficiency, low output noise, wide modulation bandwidth, and small size. The wide output voltage range, 0.8V to 0.9VVPS, allows driving one or multiple serial laser diodes at the same time, for up to 50mA well controlled current at high efficiency.

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ATLS500mA212D

ATLS500MA212, is an electronic module that has all the valuable and important, but often difficult to achieve simultaneously, features simultaneously: wide input and output voltage range, high output current capability, high efficiency, low output noise, wide modulation bandwidth, and small size. The wide output voltage range, 0 ~ 15V, allows driving one or multiple serial laser diodes at the same time, for up to 500mA well controlled current at high efficiency.

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High Voltage Constant Current 500MA Laser Driver

ATLS1A212, is an electronic module that has all the valuable and important, but often difficult to achieve simultaneously, features simultaneously: wide input and output voltage range, high output current capability, high efficiency, low output noise, wide modulation bandwidth, and small size. The wide output voltage range, 0 ~ 15V, allows driving one or multiple serial laser diodes at the same time, for up to 1A well controlled current at high efficiency.

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ATLS2A212D

ATLS2A212 is an electronic module designed for driving laser diode by up to 2A constant current with high efficiency, wide input and output voltage, and high output current capability. The wide output voltage range, 0~15V, allowing driving one or multiple serial laser diodes at the same time, for up to 2A well controlled current at high efficiency.

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ATLS3A212D

ATLS3A212 is an electronic module designed for driving laser diode by up to 3A constant current with high efficiency, wide input and output voltage, and high output current capability. The wide output voltage range, 0~15V, allowing driving one or multiple serial laser diodes at the same time, for up to 3A well controlled current at high efficiency.

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Load Assembly

This load assembly, ATLS212DLD1.0, is designed to emulate laser diodes for evaluating a series of laser drivers, including ATLS1A212D, ATLS2A212D and ATLS3A212D. These laser drivers can be used to drive one or multiple laser diodes with high efficiency and low noise for DPSSL, EDFA, or fiber laser applications. They accept wide range input voltage and their output voltage can be from 0V to almost the same as the input voltage. Their size is very small, but can output high current, high voltage, thus high output power. The efficiency is so high that no heat sink is needed. In addition, these laser drivers have low output noise (except that there is a 500kHz 4mVp-p ripple voltage at the output) and wide modulation bandwidth.

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atls212ev1

The ATLSXA212D is a series of high efficiency constant current laser drivers for driving one or multiple laser diode arrays. It has high reliability, zero EMI (Electro-Magnetic Interference), and is packed in small DIP package. The laser driver series includes ATLS1A212D, ATLS2A212D and ATLS3A212D.

The evaluation board introduced by this application note, ATLS212EV1.0, is designed for evaluating these laser drivers conveniently.

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