30 Amp Pulsed Laser Diode Driver Module

  • Pulse 30 Amp Nanosecond Pulsed Laser Diode Driver Module
  • Pulsed 30 Amp Nanosecond Pulsed Laser Diode Driver Module
  • Pulse 30 Amp Nanosecond Pulsed Laser Diode Driver Module Typical Current
  • Pulsed 30 Amp Nanosecond Pulsed Laser Diode Driver Module Typical LPC Waveforms
  • Pulse 30 Amp Nanosecond Pulsed Laser Diode Driver Module PIN Configuration

Request Quote   Ships: 2 Week | Model LDD-1125

Key Features
  • Output Current: 0-30 A, <2‰ Ripple
  • DC Input Voltage: 12-36 VDC
  • Output Voltage: 0-27 V

Price and Delivery Quote

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MODEL LDD-1125
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General SPECIFICATIONS
  • Output Current: 0-30 A, <2‰ Ripple
  • DC Input Voltage: 12-36 V
  • Output Voltage: 0-27 V
  • Temperature Coefficient: Typ: 20 ppm/K
  • CW Current Resolution: 0.6 mA
  • Pulse Generation: CW Chopping
  • Pulse Rise Time: 135 ns (LLoad ~ 10 nH)
  • Pulse Frequency: Up to 40 kHz
  • Laser Power Control (LPC): [LPC option]
  • Internal Generators: Nominal Current, Pulse
  • Error: Ultra-Fast Switch-off for optimal LD protection
  • Configuration / Diagnosis: on PC (via USB / RS485)
  • Dimensions (L x W x H): 120 mm x 90 mm x 18 mm
  • Efficiency: >94% (@ >50% Load)
  • Cooling: over Baseplate Interface
  • USB 2.0 1kV isolated (FTDI Chip)
  • 2x RS485 / RS422
  • NTC for LD Temp.
  • Digital I/O, 3.3 V / 5 V
  • Interlock (Enable)
  • Generator Trigger Input

Product Overview:

The LDD-1125 is an innovative laser diode driver that contains a specialized current source able to precisiondrive laser diodes in continuous / modulated and pulsed or mixed operation. Equipped with optional laser power measurement circuitry (photodiode input), the LDD-1125-LPC can also be operated as a Laser Power Controller.

Core element of the LDD's internal current source is the generation of highly precise 333 ps timing PWM steps that results in high resolution and very low ripple current. The output is short-circuit safe and can be chopped for up to 40 kHz pulsed-mode operation. Driving low inductive loads, ultra short fall and rise times are achievable.

For ultimate laser diode protection the supervision of critical system values is directly implemented in hardware. This results in very fast switch-off times (<8 μs) in case of limit value violation. The LDD-1125 also monitors laser diode temperature (NTC thermistor input). The LDD-1125 is fully digitally controlled; its firmware is upgradeable to offer various communication options and to meet specific customer requirements.

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