ATLSxA212 Series 14V High Voltage Laser Drivers

In order to meet the changing needs for using high voltage diode lasers or driving a series of diode lasers simultaneously, we have developed the ATLSxA212 series of laser drivers/controllers: ATLS50MA212D, ATLS500MA212D, ATLS1A212D, ATLS2A212D and ATLS3A212D. Newly developed high speed laser drivers include ATLS500MA212DHS, ATLS1A212DHS, ATLS2A212DHS and ATLS3A212DHS. Their input voltage ranges between 4.75V to 16V, the output voltage ranges 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. There are 5 current capability versions, 50mA, 500mA, 1A, 2A and 3A. They are available 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" which represents the DIP packaging, for the latter the suffix is "S" which represents the SMT packaging. 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 easily and conveniently by using their evaluation board, ATLS212EV1.0 along with the load assembly ATLSxA212 which we designed for this series as well. The ATLSxA212 is used to emulate the expensive laser diodes for evaluating these laser controllers. This will allow the user to avoid making costly mistakes when evaluating this series of laser controllers. Please see the ATLSxA212 series diagram block below.

Laser Drivers Diagram

ATLS50MA212D

ATLS50MA212, is an electronic module that has all the valuable and important, but often difficult to achieve simultaneously features such as: 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 of well controlled current with 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 of well controlled current with high efficiency.

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ATLS500MA212DHS

ATLS500MA212DHS, is an electronic module that has all the valuable and important, but often difficult to achieve simultaneously features simultaneously: higher speed than ATLS500MA212D, 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 of well controlled current with 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 such as: 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 of well controlled current with high efficiency.

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ATLS1A212DHS

ATLS1A212DHS, is an electronic module that has all the valuable and important, but often difficult to achieve simultaneously features simultaneously: higher speed than ATLS1A212D, 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 of well controlled current with high efficiency.

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ATLS2A212D

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

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ATLS2A212DHS

ATLS2A212DHS, is an electronic module that has all the valuable and important, but often difficult to achieve simultaneously features simultaneously: higher speed than ATLS2A212D, 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 2A of well controlled current with high efficiency.

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ATLS3A212D

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

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ATLS3A212DHS

ATLS3A212DHS, is an electronic module that has all the valuable and important, but often difficult to achieve simultaneously features simultaneously: higher speed than ATLS3A212D, 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 3A of well controlled current with 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, was designed for your convenience when evaluating these laser drivers.

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