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PLD200 Datasheet Preview

PLD200 Datasheet

Laser Diode Drivers

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DATASHEET AND OPERATING GUIDE
PLD Series
Laser Diode Drivers
FEATURES AND BENEFITS
• Models: 200 mA, 500 mA, 1.25 A, 5 A, and 6.5 A
• Operates from a 5 VDC supply
• Separate power supply can be used to drive
high-compliance lasers up to 28 V
• Constant Current or Constant Power modes
• Safety features protect your laser
»» Adjustable latching current limit
»» Slow-start circuitry
»» Relay shorts output when current is disabled
• Local and Remote Power-On and Enable controls
• Integral heatsink and fan on high current models
RELIABILITY YOU CAN TRUST
The PLD Series Laser Diode Drivers deliver the reliability and
performance you expect from a Wavelength Electronics laser
driver in a compact and easy-to-integrate package. Tens of
thousands of PLD drivers are deployed in particle counters,
manufacturing vision systems, wavefront scanners, fiber
aligners, and other laser systems around the world, proving
beyond doubt the reliability and stability of the design.
DESIGNED FOR EASY INTEGRATION
The PLD drivers operate from a single 5 V power supply. To
accommodate high compliance lasers, or multiple stacked
lasers, the PLD laser diode drivers allow the laser to be
driven from a separate power supply up to 30 V.
LASER SAFETY FEATURES
Built-in safety features make your product more robust
to real world operating conditions: latching current limit
switches off the output if the current limit is reached; slow
start circuit ramps the output current; and a mechanical
shorting relay protects the laser from ESD events.
Long‑term reliability means better up-time, fewer service
calls, and more customers who are satisfied with your
products.
HIGH OUTPUT CURRENT
The PLD Series is available up to 12.5 A drive current.
Check our website, or call and ask for information about
the PLD10000 and PLD12500.
CONTENTS
QUICK CONNECT GUIDE
PIN DESCRIPTIONS
ELECTRICAL SPECIFICATIONS
SAFETY INFORMATION
OPERATING INSTRUCTIONS
ADDITIONAL TECHNICAL INFORMATION
TROUBLESHOOTING
MECHANICAL SPECIFICATIONS
CERTIFICATION AND WARRANTY
PAGE
2
5
6
7
8
14
19
20
21
ORDERING INFORMATION
PART NO
PLD200
PLD500
PLD1250
PLD5000
PLD6500
PLDEVAL
DESCRIPTION
200 mA Laser Diode Driver
500 mA Laser Diode Driver
1.25 A Laser Diode Driver
5.0 A Laser Diode Driver
6.5 A Laser Diode Driver
Evaluation board for PCB-mounted
PLD drivers
Pb
RoHS
406-587-4910
Applies to Product Revisions A – H
www.teamWavelength.com
© Octoner 2015
e




WAVELENGTH

PLD200 Datasheet Preview

PLD200 Datasheet

Laser Diode Drivers

No Preview Available !

QUICK CONNECT GUIDE
! To ensure safe operation of the PLD driver, it is
imperative that you determine that the unit will be
operating within the internal heat dissipation Safe
Operating Area (SOA).
Visit the Wavelength Electronics website for the most
accurate, up-to-date, and easy to use SOA calculator:
http://www.teamwavelength.com/support/calculator/soa/soald.php
Figure 1 shows the front panel of the PLD driver and the
locations of the configuration switches, Output and Current
Limit adjust trimpots, status LEDs, and pins.
Figure 2 shows a typical wiring diagram for the PLD driver
and external electronics to operate a Type A or B laser.
Figure 3 illustrates the three laser types that the PLD can
drive. For detailed instructions on using the different laser
types refer to the Operating Instructions.
PLD SERIES LASER DIODE DRIVER
PD Cathode
PD Anode
LD Cathode
LD Anode/+LD Supply
GND
+5V
Analog Input
P Monitor
I Monitor
Common
LIM I Monitor
LIM I Status
LD Enable
PD Aux
Aux V+
!
* DO NOT change switch positions while the output
is enabled; Doing so may damage the laser diode.
PD RANGE
LH
P
MODE
I
PD Range *
L = 15 – 500 µA
H = 50 – 5000 µA
Operating Mode *
P = Constant Power
I = Constant Current
OUTPUT
ADJUST
15 LIMIT I
14 ADJUST
13 OUTPUT
12 ENABLED
11 LIMIT I
10
9
8 PLD SERIES
7 LASER DIODE
6 DRIVER
5
4
3 avelength
2 Electronics
1
Output Adjust (12-turn)
Current Limit Adjust (12-turn)
Output Enabled LED (Green = On)
Current Limit Status
(Red = Current Latched Off)
Figure 1. PLD Driver Controls
Short pin 6 to pin 9 when
analog input is not used.
+
Optional External
Setpoint (0 to 5 V)
-
DMM
9 Analog Input
6 Common
(Low Current)
PD Anode 14
LD Cathode 13
LD Anode 12
PD
LD
0.1 µF
PD
OR
LD
+5V
10 kΩ
Pull Up Resistor
8 P Monitor
(PD Current)
7 I Monitor
(Output Current)
5
LIM I Monitor
4
LIM I Status
3
LD Enable
+5 V 10
Closed = Output Enabled
Open = Output Disabled
+
-
5 VDC
GND 11
(Internally Shorted)
Use caution when the PLD is combined with a
PTC temperature controller: if the TEC or
thermistor is connected to the laser diode, two
power supplies are required and must float
independently of each other.
Figure 2. Quick Connect Wiring Diagram, Type A & B Laser Diodes
Type A Laser Diode
Type B Laser Diode
Type C Laser Diode
Laser Diode Anode &
Photodiode Cathode Common
Common
Cathode
© 2015
Short the
Laser Diode Anode
to Photodiode Cathode
Isolated Photodiode
Figure 3. Laser Type Diagrams
Laser Diode Cathode &
Photodiode Anode Common
www.teamWavelength.com
Common
Anode
2


Part Number PLD200
Description Laser Diode Drivers
Maker WAVELENGTH
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PLD200 Datasheet PDF






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