Wavelength Electronics LDTC2/2E, Datasheet And Operating Manual

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ORDERING INFORMATION
PART NO DESCRIPTION
LDTC 2/2E Enclosed 2.2 A LD/TEC Controller
LDTC 2/2O Open Frame 2.2 A LD/TEC Controller
WEV-300* Thermal Washer & Heatsink
WEV-301* Thermal Washer, Heatsink, 5 V Fan
WEV-302* Thermal Washer, Heatsink, 12 V Fan
POWER & STABILITY
Combine the drive power of the WLD3343 laser driver (up
to 2.2 A) with the temperature stability of the WTC3243
temperature controller (±2.2 A available) on one small board.
Available as an open frame or in a chassis mount enclosure.
APPLICATIONS
Ideal for integrated laser driver or LED packages that include
temperature control, often utilized in medical diagnostic
equipment, remote sensing, analytical instrumentation,
military, and communications applications.
POWER YOUR APPLICATION WITH
THE RIGHT FEATURES
The WTC3243 will control temperature using thermistors,
RTDs, or linear temperature sensors such as the LM335
or the AD590. Adjust temperature using the onboard
trimpot or a remote voltage input from a panel mount
potentiometer, DAC, or other voltage source. A default
temperature setpoint configuration provides fault tolerance
and avoids accidental damage to system components.
Adjustable trimpots configure heat and cool current limits.
The WLD3343 Laser Driver maintains precision laser diode
curent (Constant Current Mode) or stable photodiode
current (Constant Power mode) using electronics
compatible with A/B Type lasers.
FEATURES AND BENEFITS
• ±2.2 A of TEC and 2.2 A of LD current (up to 3 A
with product variation)
• Small package size
• Single supply operation LD: +5 to +12 V
• Single supply operation TC: +5 to +28 V
• Slow start laser diode protection
• Constant Current or Constant Power modes
• Adjustable laser diode current limit
• Remote TTL Shutdown/Interlock
• Ultra-stable PI control loop
• Separate heat & cool current limits
• Failsafe Setpoint default for D/A remote
temperature setting
PAGE
e
Applies to Product Revisions A – B
© January 2019
A
Laser Type
B
Laser Type
LM335 AD590
RTD
R
T
Pb
RoHS
Compliant
CONTENTS
QUICK CONNECT GUIDE 2
PIN DESCRIPTIONS 5
ELECTRICAL SPECIFICATIONS 7
SAFETY INFORMATION & THERMAL DESIGN
CONSIDERATIONS
9
OPERATING INSTRUCTIONS –
TEMPERATURE CONTROLLER 10
LASER DRIVER 12
ADDITIONAL TECHNICAL INFORMATION 15
TROUBLESHOOTING –
TEMPERATURE CONTROLLER 20
LASER DRIVER 21
MECHANICAL SPECIFICATIONS 23
CERTIFICATION AND WARRANTY 26
* Only for 2/2O
406-587-4910
www.teamWavelength.com
LDTC2/2E & LDTC2/2O
Laser Diode & Temperature Controllers
DATASHEET AND OPERATING GUIDE