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WLD3343 2.2 A Laser Diode Driver |
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 | Small Size: 1.30" X 1.26" X 0.313" | | Slow Start Laser Diode Protection | | TTL Compatible Shutdown Pin | | Adjustable Laser Diode Current Limit | | Over temperature output shutdown | | 14 pin DIP PCB mount | | Up to 2.2 A CW laser diode current | | Constant Current or Constant Power Mode | | Voltage Controlled Setpoint | | Bandwidth 2 MHz (CC, sine wave) | |
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2-4 |
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5-24 |
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Prices |
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$ 99.00 |
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$ 89.00 |
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OEM Contact Factory |
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To order use part number:
WLD3343 |
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| Prices are in US dollars. |
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The WLD3343 is a general purpose laser diode driver that maintains precision laser diode current (Constant Current mode) or stable photodiode current (Constant Power mode) using electronics that are compatible with any laser diode type. It delays and slowly ramps the current for maximum protection. Supply up to 2.2 Amps of current to your laser diode from a single + 5 V power source.
An internal thermostat shuts down the WLD safely if the device temperature exceeds 105°C. Remotely enable or disable current. Zero leakage current allows operation with VCSELs. Current range is scaled by an external resistor.
To operate from 3.6 V (for Lithium-Ion batteries) try the WLD3343HB. For 3 A operation, the WLD3343-3A is available. To drive with lower noise in Constant Current Mode only, the WLD3343-2L and WLD3343-3L drive up to 2 A and 3 A respectively. A circuit calculator tool speeds selection of external component values (see Design Tools tab). An evaluation board is available to simplify prototyping: WLD3393. Heatsinking solutions to use the WLD3343 at full current are available.
This laser diode driver is ideal for applications where space is tight. It is widely used in electro-optic instrumentation, spectrometers, medical diagnostic equipment, range finders, and on research benches.
Free, effective, and responsive technical support is available to simplify integration of Wavelength products into your OEM design. Standard product can be easily modified to meet your application requirements.
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