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WLD3343 2.2 A Lower Noise Laser Diode Driver

 
Laser Diode Schematics
RoHS Compliant RoHS Compliant RoHS Compliant
Small Size: 1.30" X 1.28" X 0.313"
Slow Start Laser Diode Protection
TTL Compatible Shutdown Pin
Adjustable Laser Diode Current Limit
Over temperature output shutdown
2.5 times lower noise than WLD3343
Up to 2.2 A CW laser diode current
Constant Current Mode Only
Voltage Controlled Setpoint
Bandwidth 2 MHz (CC, sine wave)
WLD3343 2.2 A Lower Noise Laser Diode Driver
Quantity 1 2 - 9 10-24
Prices $ 124.00 $ 114.00 OEM Contact Factory
To order use part number: WLD3343-2L
Prices are in US dollars.
 
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Technical detail about product Datasheet
The WLD3343-2L is a general purpose laser diode driver that maintains precision laser diode current (Constant Current mode) using electronics that are compatible with any laser diode type. It is designed for lower noise operation compared to the standard WLD3343. It delays and slowly ramps the current for maximum protection. Supply up to 2.2 A 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 Constant Current mode, 2.2 or 3 A operation, the WLD3343 or WLD3343-3A are available. To drive with lower noise in Constant Current Mode only, up to 3 A the WLD3343-3L is available. 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 WLD3343-2L at full current are available.

This laser diode driver is ideal for applications where space is tight. It is widely used in electro-optic qualification, raman spectroscopy, 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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