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20 Amp Pulsed & CW Laser Diode Driver
- Low Ripple Current
- Compliance Voltage up to 26 Volts

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sku / item#: 785A
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Key Features
  • Output Current up to 20 Amps
  • Output Pulsewidth: ≤2 µs To CW
  • Compliance Voltage: Up to 26 V
  • Extremely Low Output Ripple
  • Analog Pulse Shaping
  • Laser Diode Protection Circuits Built-In

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  • Output Current: 0 to 20 A
  • Compliance Voltage: 1.5 to 26 V
  • Pulse Source (TTL): 2.2 to 5 V
  • Enable (TTL): 2.2 to 5 V
  • Control Voltage: Up to 5 V
  • Pulse width: 2 µs to CW
  • Duty Cycle: up to 100%
  • Modulation Bandwidth: Up to 600 kHz
  • Risetime at 20 A (10% to 90%): 400 ns to 1000 ns
  • Protection: Over Temperature, Over Current, TTL Output
  • Cooling: Provisions for Forced Air, Thermoelectric, and Water Cooling
  • Input Power (Control Circuits): +10.0 to +14.0 VDC, 50 - 100 mA
  • Input Power (Laser Driver): +3.0 to +28.0 VDC, up to 20 A
  • Control Signal Connector: Tyco P/N 8-215083-4
  • Dimensions: 4.33" x 2.37" x 1.33"
  • Weight: 6.4oz
  • Refer to Datasheet for Additional Specifications

Product Overview:

Low Ripple Current, High Current Pulsed Laser Driver

The Model 785A laser diode driver is a high power, medium speed, analog current source driver that is ideal for compact industrial and medical direct illumination applications that require extremely low ripple and/or pulse shaping. Analog Modules' proprietary technology delivers a small footprint, high stability, laser driver with up 20 A output current, up to 26 V compliance voltage. This technology results in ripple and noise values that are much superior to those of a switching driver.

The Model 785A laser diode driver is is designed to be driven by a group of analog and digital signals. The status outputs are both analog and digital.

Output pulse widths of 2 µs to CW are possible with modulation capability up to 600 kHz. The input, output signals, and power for the electronics are connected via 1ea. - 14 pin Tyco MicroMatch Connector P/N 8-215460-4. The mate for this connector is Tyco P/N 8-215083-4.

The Model 785A pulsed laser diode driver is designed to operate from a DC voltage source of +10V to 14V at 100mA maximum current delivered to the unit via the 14 pin connector and processed on the board to operate the drive electronics.

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