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Lumina Power LDD-600 Series User Manual

Cw diode driver power supplies

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CW Diode Driver Power Supplies
The LDD-600/1000/1500 family of high power CW diode laser can be configured
for output currents from as low as 10A to output current up to 100A at maximum
power levels from 600W to 1500W.
As a laser diode driver, the LDD diode driver acts as a programmable current
source and delivers constant current based on the input program signal,
Iprogram(+), which is normally 0-10V. All units are configured with a maximum
current and maximum voltage capability, depending on the user's requirements.
LDD power supplies will deliver current, as programmed, into any load, providing
the voltage requirements of that load do not exceed the maximum rated voltage
of the unit. When the required compliance voltage is higher then the maximum
rated output voltage of the unit, the unit will limit output current.
LDD diode drivers utilize a proprietary low loss, high frequency power factor
correction circuit which keeps power factor above 0.98. Power factor corrected
power supplies use up to 30% less input current and meet stringent IEC
harmonic requirements. The output inverter is a state-of-the-art zero voltage
switching (ZVS) inverter which permits very high frequency power conversion
with minimum losses and electromagnetic noise.
02001027
Rev 1 ECO 7062
USER MANUAL
LDD-600/1000/1500-XX-YY
Operation Manual:
LDD-600/1000/1500-XX-YY
Page 1 of 13

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Summary of Contents for Lumina Power LDD-600 Series

  • Page 1 LDD-600/1000/1500-XX-YY CW Diode Driver Power Supplies The LDD-600/1000/1500 family of high power CW diode laser can be configured for output currents from as low as 10A to output current up to 100A at maximum power levels from 600W to 1500W.
  • Page 2: Table Of Contents

    LDD-600/1000/1500 Specifications LDD-600/1000/1500 Interface INSTALLATION AND OPERATION Optional RS-232 Protocol Tables and Figures LDD Laser Diode Power Supply Block Diagram LDD-600/1000/1500 Outline Drawing LDD-600/1000/1500 Interface Table LDD-600/1000/15000 Interface Schematic Input Connections Output Connections Response of output to Enable Signal AC Input Requirements...
  • Page 3: Ldd Diode Drivers - Theory Of Operation

    AC Input Power Circuitry AC input power is processed through a line filter to reduce the conducted EMI to an acceptable level. The LDD-600/1000/1500 line filter has minimum capacitance to ground to minimize leakage currents. Earth Ground stud is provided near the AC input terminals and should be connected to the system ground.
  • Page 4 All internal power supply requirements as well as the external +/-15V and +5V power supplies are derived from the power factor control boost inductor. All auxiliary power supplies are regulated by standard linear regulators. Figure 1 LDD-600/1000/1500 Block Diagram 02001027 Operation Manual: Page 4 of 13 Rev 1 ECO 7062...
  • Page 5: Ldd-600/1000/1500 Specifications

    FCC 47 CFR Class A Emissions, EN55011:1998 Group 1 Class A Emissions, EN61000-3-2 Limits for harmonic current emissions, EN 610000303 Flicker, EN60601-1-2:2001 Electromagnetic emissions and immunity for medical equipment Dimensions: See Figure 2, LDD-600/1000/1500 Outline Drawing 02001027 Operation Manual: Page 5 of 13 Rev 1 ECO 7062...
  • Page 6 Figure 2 LDD-600/1000/1500 Outline Drawing 02001027 Operation Manual: Page 6 of 13 Rev 1 ECO 7062 LDD-600/1000/1500-XX-YY...
  • Page 7 (output) Up to 0.5A output current available. Referred to (-) output of the power supply. TABLE 1: LDD-600/1000/1500 Interface * If maximum compliance voltage is less than 10V, Vout Monitor will read output voltage directly. If maximum compliance voltage is greater than 10V, then...
  • Page 8: Ldd-600/1000/1500 Interface

    Figure 3 LDD-600/1000/1500 Interface 02001027 Operation Manual: Page 8 of 13 Rev 1 ECO 7062 LDD-600/1000/1500-XX-YY...
  • Page 9: Installation And Operation

    LDD-600/1000/1500 Diode Drivers IMPORTANT INSTALLATION NOTES • LDD-600/1000/1500 diode drivers are air cooled by internal fans. Do not restrict air flow near the input or output air vents of the power supply. If the unit overheats due to restricted air flow, it will shut down and remain off until the unit has cooled to a safe operating temperature.
  • Page 10 • Ground wire shall be crimped to a # 8 ring-lug and connected to the ground stud. IMPORTANT APPLICATON NOTE REGARING AC INPUT POWER AC Input wires should be at least #16 AWG, rated for at least 300V and 105DegC. 02001027 Operation Manual: Page 10 of 13 Rev 1 ECO 7062 LDD-600/1000/1500-XX-YY...
  • Page 11 IMPORTANT SYSTEM NOTE ON AC INPUT POWER LDD-600/1000/1500 units are fused on both input lines. It does not matter which of the two AC inputs are designated Line or Neutral. AC input power requirements for LDD-600/1000/1500 models are as follows:...
  • Page 12 Optional RS-232 Protocol LDD-600/1000/1500-XX-YY-RS Refer to Figure 2, LDD-600/1000/1500 Outline Drawing for location of RS-232 Connector The RS232 interface for Lumina supplies has the following characteristics: Baud rate: 9600 Command format: ASCII characters terminated by carriage return Reply formats: ASCII characters terminated by carriage return Connection: 9 Pin “D”...
  • Page 13 Must be used with RS Interface Servicing LDD-600/1000/1500 Diode Drivers LDD-600/1000/1500 units have no serviceable parts. Do not attempt to repair or service this unit in the field. For further information, contact Lumina Power at 978-241-8260. Lumina Power, Inc.