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High Voltage Precision LASER DIODE DRIVER; 20A Current Range / 120V Compliance Voltage Range

  • 20 Amp CW Laser Controller with LPC Mode
  • LDD-1303 Laser Controller with Pen
  • LDD-1303 Performance Table
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$1076.00  
sku / item#: LDD-1303 / LASER-DIODE-DRIVER
ships: Request a Quote for Current Ship Date

Key Features
  • 120 Volts Compliance Voltage for High Power Pumps and Series Connected Laser Diodes
  • User Interface: RS232, RS485, USB 2.0, CAN, Analog Input || Includes GUI Virtual Front Panel Software
  • Includes Aluminum Base Plate for Cooling and Simple Attachment to Heat Sink
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MODEL LDD-1303 / LASER-DIODE-DRIVER
PRICE $1076.00
Output Specifications
  • Output Current Range: 0 A – 20 A
  • Compliance Voltage Range: 5 – 120 V (Vin = 48 V)
  • Current Setpoint Resolution: 1.8 mA
  • Current Ripple (Iout > 2 A): 25 mA (typ)
  • Current Accuracy: 30 mA (typ)
  • Compliance Voltage (Vin 10 V – 48 V): 10 V – 120 V
  • Output Current Rise Time: (Iout > 20 A): 500 ms
  • Temperature Coefficient: 20 ppm/K
Optional Laser Power Control Mode
  • Configurable PID Control Parameters
  • Programmable Start-Up Phase
  • LPC Feedback: Photodiode Current Input up to 4 mA
Laser Safety Specifications
  • On-Board Interlock Connector
  • Ultra-Fast Output Switch-Off
  • Overcurrent Shutoff
  • Thermistor Input for Laser Chip Temp. Sensing
  • Auxiliary Thermistor Input for Heatsink Monitoring
General Specifications
  • Supply Voltage: 10.5 V – 53 VDC
  • Supply Current: 0 – 50 A
  • Input Voltage Ripple (max): 200 mVpp
  • Operating Temperature Range: 0ºC to 50ºC
  • Operating Humidity: 5% – 95%, non-condensing
  • Dimensions: 190 mm x 70 mm x 28 mm
  • Efficiency: >90%, at 50% duty cycle
  • Cooling: Conductively Cooled Baseplate
  • Communication: RS232, RS485, USB 2.0, CAN
  • External Power Supply Required, such as Mean Well RSP-2400-48. Other power supplies may be suitable; please inquire with questions.

Product Overview:

20 Amp, 120 Volt OEM Laser Diode Driver

The LDD-1303 is a high performance current source that is primarily designed to operate in CW mode. Basic system status is visually indicated by on-board LEDs, more detailed status information can be polled at any time. The LDD-1303 can operate in a stand-alone configuration as well as PC controlled. It can be configured with optional light measurement circuitry to operate in Laser Power Control mode (LPC).

Low Noise Output / Industry Leading Laser Diode Protection Features

These modules are innovative current drivers that contain a proprietary current source able to precisely drive laser diodes in pulsed or CW mode. It can be equipped with an optional laser power measurement circuit / photo-diode input. The LDD-1303 can also monitor laser diode temperature (NTC thermistor input) and includes an auxiliary thermistor input to monitor the heatsink temperature. The LDD-1303 is fully digitally controlled; the firmware is upgradeable to offer various communication options and to meet specific customer requirements.

USB and RS485 Interfaces with Control Software

Configuration parameters further include: control source selection, maximum current limits, nominal current ramping, PID controller settings, NTC temperature sensor modeling coefficients, measurement circuitry calibration, error thresholds, etc. The LDD-1303 is configured over an industry-standard RS485 or a USB connection, either GUI-driven using the included LDD Service Software, or by direct parameter control using the predefined communication protocol. The included PC-Software (USB / RS485) facilitates configuration, control, and real-time monitoring of the LDD-1303. All device settings are saved in non-volatile memory and can be backed up and restored. The LDD-1303 is part of the LDD family of Meerstetter laser diode drivers, which are designed to operate alongside devices of the TEC family of Peltier controllers.

Recommended Power Supply

This power supply is one that is recommended to use with the LDD-1303: Mean Well RSP-2400-48. Other suitable models are available; please inquire for more suggestions.

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