DLD-127A 查看數據表（PDF） - Directed Energy, Inc. An IXYS Company

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DLD-127A

40A CW & QUASI-CW LASER DIODE DRIVER/CURRENT SOURCE

Directed Energy, Inc. An IXYS Company 

THE PULSE OF THE FUTURE

SPECIFICATIONS (Measured at 40A, 10V output)

PARAMETER

VALUE

Laser Diode Controller

Voltage Polarity

Positive with respect to ground

Maximum Output Voltage

10V @ 40A

Current Range

0A to 40A

Maximum Duty Cycle

100%

Pulse Width

50µs to DC, controlled by modulation input

Pulse Rise Time/Fall Time

Controlled by modulation input, minimum rise and fall time is 25µs, maximum bandwidth is ≥10KHz

Depth Of Modulation

90% @ 1KHz, 50% @ 5KHz, 20% @ 10KHz

Droop

<1%

Overshoot

<5% maximum, typically <2%

Undershoot

<2%

Ringing (Pulse Mode)

<5%

Noise and Ripple (After initial edge, steady state) ≤1%

Output Power Stability

Temperature Coefficient

≤0.5% over 24 hours at full power, measured at 25°C with temperature variation <±0.5°C into a re-

sistive load

≤250ppm/°C from 0°C to 40°C

Efficiency

>75%

External Modulation Input

Input Signal

0 to +10V

Bandwidth

DC to 10KHz

Transfer Function

4000mA/V

Control And Monitor Inputs

Reset

TTL into 50Ω to reset driver faults

Current Limit

0-10V Analog Voltage Setting, range of 4A to 40A

Laser Diode Enable

TTL into 1k Ohm, High=Enabled

Control And Monitor Outputs

Output Current Monitor

4A/V into 1MΩ

Laser Over Current Fault

Open collector output, 50mA max current sink, Low=Fault, Imax + 10% latches off driver

Laser Over Voltage Fault

Open collector output, 50mA max current sink, Low=Fault, Vmax + 10% latches off driver

Over Temperature Fault

Open collector output, 50mA max current sink, latches off driver

Driver Power On

Driver Power Indicator, Open collector output, 50mA max current sink, Low=Fault

Driver Fault

Open collector output, 50mA max current sink, Low=Fault, latches off driver

Photodiode Amplifier

Photodiode Amplifier Output

0 to 10V output

Photodiode amplifier gain

Adjustable

Photodiode bias voltage

10V

Bandwidth Limit

100KHz

General

Operating Temperature Range

Power Requirements

0°C to +40°C

48VDC @ 12A (1) ; ±15VDC @ 0.25A; +5VDC @ 0.5A

Cooling Requirements

Forced Air, 100 CFM, max air temperature 40°C

Dimensions (W x L x H, including heatsink)

4” x 12” x 3” (102mm x 305mm x 76mm)

Weight (Including Heatsink)

51 Ounces (1.45 Kilograms)

SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE

9200-0206 REV 1

(1) The DLD-127A will operate on any voltage from 24VDC to 48VDC, however

the maximum output voltage with 24VDC input is 5V. To obtain the full 10V

output, 48V input is required.

Directed Energy, Inc.

2401 Research Blvd., Suite 108

Fort Collins, CO USA 80526

970-493-1901 Fax: 970-493-1903

Email: deiinfo@directedenergy.com

Web: http://www.directedenergy.com

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