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75 Amps / 70 Volts High Current & High Compliance Voltage Laser Diode Driver

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sku / item#: LDD-1137-PO / LASER DIODE DRIVER
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Key Features
  • High Power Current Driver for Laser Diodes
  • Configuration / Diagnosis: on PC (via USB / RS485 / Ethernet / CAN)
  • Dimensions (L x W x H): 118 mm x 171 mm x 48 mm
  • Efficiency: >96 % (@ 50 % Duty cycle)
  • Cooling: Over Base Plate
  • Free Software included
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MODEL LDD-1137-PO / LASER DIODE DRIVER
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Output Characteristics CW Operation:
  • Voltage: up to 70 V
  • Current: up to 75 A (>60 A for a prolonged period may require additional cooling)
Input Characteristics:
  • DC Input Voltage: 18 to 75 V
Power Stage:
  • Output Current: 0-75 A, ~0.2 % Ripple
  • Temperature Coefficient, Typ: 20 ppm/K
  • CW Current Resolution: 1.5 mA
Interfaces:
  • USB 2.0, Ethernet
  • RS485, CAN, SPI, I2C
  • Pulse Input
  • Interlock (Enable)
  • Analog Input
Important Note:
  • The following features will be added with a future firmware update, but are not yet useable:
  • CAN, I2C, SPI, Ethernet Interface
  • LPC, Temperature input

Product Overview:

The LDD-1137 is a specialized laser diode driver, able to precisely drive laser diodes in continuous and pulsed operation. New technologies like eGaN FETs enable faster pulses, improved wave forms and better efficiency. A new processing core enables a faster processor connection to the powerful FPGA, more interfaces, more precise timing, additional functions and much more, while still maintaining a 1.5 mA resolution with much higher current and keeping a very low output ripple.

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