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Home > Products > Laser Drivers > Low Noise Constant Current Laser Controller

Low Noise Constant Current Laser Controller

The ATLSxA103 series laser drivers/controllers have ultra-low output noise, compact size, and come with current limit protection function. The maximum output current of this diode laser driver can be selected to be: 100mA, 200mA, 250mA, 500mA, and 1A respectively. These laser controllers are of 100 % lead (Pb)-free and RoHS compliant.

Frequently Asked Questions and Answers

Laser Drivers Diagram

Ultra Low Noise Diode 100mA Laser Drivers/Controllers ATLS100MA103

Ultra Low Noise Diode 100mA Laser Drivers/Controllers ATLS100MA103

Ultra Low Noise: 1.5µAp-p @0.1Hz to 10Hz

High Current without Heat Sink: 100mA

High Absolute Accuracy: <0.1%

High Stability: <100ppm/°C

Programmable Current Limit through Separate Port

Complete Shielding

Compact Size

100 % Lead (Pb)-free and RoHS Compliant

DIP and SMT Packages Available

Part Number	Package	Output Current	Datasheet	Stock Status	Buy Now
ATLS100MA103D	DIP	100mA		17
ATLS100MA103S	SMT	100mA		13

Part Number	Datasheet With Pricelist	Buy Now
ATLS100MA103D
ATLS100MA103S

Ultra Low Noise Diode 200mA Laser Drivers/Controllers ATLS200MA103

Ultra Low Noise Diode 200mA Laser Drivers/Controllers ATLS200MA103

Ultra Low Noise: 2.5µAp-p @0.1Hz to 10Hz

High Current without Heat Sink: 200mA

High Absolute Accuracy: <0.1%

High Stability: <100ppm/°C

Programmable Current Limit

Complete Shielding

Compact Size

100 % Lead (Pb)-free and RoHS Compliant

DIP and SMT Packages Available

Part Number	Package	Output Current	Datasheet	Stock Status	Buy Now
ATLS200MA103D	DIP	200mA		4
ATLS200MA103S	SMT	200mA		0

Part Number	Datasheet With Pricelist	Buy Now
ATLS200MA103D
ATLS200MA103S

Ultra Low Noise Diode 250mA Laser Drivers/Controllers ATLS250MA103

Ultra Low Noise Diode 250mA Laser Drivers/Controllers ATLS250MA103

Ultra Low Noise: 2.5µAp-p @0.1Hz to 10Hz

High Current without Heat Sink: 250mA

High Absolute Accuracy: <0.1%

High Stability: <100ppm/°C

Programmable Current Limit

Complete Shielding

Compact Size

100 % Lead (Pb)-free and RoHS Compliant

DIP and SMT Packages Available

Part Number	Package	Output Current	Datasheet	Stock Status	Buy Now
ATLS250MA103D	DIP	250mA		51
ATLS250MA103S	SMT	250mA		6

Part Number	Datasheet With Pricelist	Buy Now
ATLS250MA103D
ATLS250MA103S

Ultra Low Noise Diode 500mA Laser Drivers/Controllers ATLS500MA103

Ultra Low Noise Diode 500mA Laser Drivers/Controllers ATLS500MA103

Ultra Low Noise: 5µAp-p @0.1Hz to 10Hz

High Current without Heat Sink: 500mA

High Absolute Accuracy: <0.1%

High Stability: <100ppm/°C

Programmable Current Limit through Separate Port

Complete Shielding

Compact Size

100 % Lead (Pb)-free and RoHS Compliant

DIP and SMT Packages Available

Part Number	Package	Output Current	Datasheet	Stock Status	Buy Now
ATLS500MA103D	DIP	500mA		1
ATLS500MA103S	SMT	500mA		26

Part Number	Datasheet With Pricelist	Buy Now
ATLS500MA103D
ATLS500MA103S

Ultra Low Noise Diode 1A Laser Drivers/Controller ATLS1A103

Ultra Low Noise Diode 1A Laser Drivers/Controller ATLS1A103

Ultra Low Noise: 6µAp-p @0.1Hz to 10Hz

High Current without Heat Sink: 1A

High Absolute Accuracy: ± 0.2%

High Stability: <100ppm/°C

Programmable Current Limit

Complete Shielding

Compact Size

100 % Lead (Pb)-free and RoHS Compliant

DIP and SMT Packages Available

Part Number	Package	Output Current	Datasheet	Stock Status	Buy Now
ATLS1A103D	DIP	1A		24
ATLS1A103S	SMT	1A		5

Part Number	Datasheet With Pricelist	Buy Now
ATLS1A103D
ATLS1A103S

Evaluation Board for 103 Series Laser Driver ATLS1A103DEV1.0

Evaluation Board for ATLSxA103 Series Laser Driver ATLS1A103DEV1.0

Come with a dummy laser on the board

Use the dummy laser to emulate expensive real laser first

Allow setting the output current conveniently

Evaluate the laser controllers (listed below) conveniently

Part Number	Application	Datasheet	Stock Status	Buy Now
ATLS1A103DEV1.0	Evaluating ATLSxA103 and ATLSxA106 laser drivers		24

Part Number	Datasheet With Pricelist	Buy Now
ATLS1A103DEV1.0

Frequently Asked Questions and Answers.

1. Q: How to use the current limit and current setting functions of ATLSxA103?
A: Both LIS and LILM sets the output current of laser driver ATLSxA103. The former sets the output current precisely and enables the drive to output a low noise current which can be modulated by high speed analog signal. The latter, LILM, can protect the laser from being damaged by an over current accidently caused by an over voltage applied on the LIS pin. When the current limit function set by LILM pin is activated, the laser driver is shut down, wait for a while, then the laser driver is turned back on. If the current still exceeds the limit, the laser driver will be turned on again. This cycle will repeat till the over current stops.