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PLDXK-CH SERIES LASER DIODE DRIVER

CERTIFICATION AND WARRANTY

CERTIFICATION

Wavelength  Electronics,  Inc.  (Wavelength)  certifies  that  this 

product met its published specifications at the time of shipment. 

Wavelength further certifies that its calibration measurements are 

traceable to the United States National Institute of Standards and 

Technology, to the extent allowed by that organization’s calibration 

facilities,  and  to  the  calibration  facilities  of  other  International 

Standards Organization members.

WARRANTY

This Wavelength product is warranted against defects in materials 

and workmanship for a period of one (1) year from date of shipment. 

During the warranty period, Wavelength will, at its option, either 

repair or replace products which prove to be defective. 

WARRANTY SERVICE

For warranty service or repair, this product must be returned to the 

factory. An RMA is required for products returned to Wavelength 

for warranty service. The Buyer shall prepay shipping charges to 

Wavelength and Wavelength shall pay shipping charges to return 

the product to the Buyer upon determination of defective materials 

or workmanship. However, the Buyer shall pay all shipping 

charges, duties, and taxes for products returned to Wavelength 

from another country.

LIMITATIONS OF WARRANTY

The warranty shall not apply to defects resulting from improper 

use or misuse of the product or operation outside published 

specifications.  No  other  warranty  is  expressed  or  implied. 

Wavelength  specifically  disclaims  the  implied  warranties  of 

merchantability and fitness for a particular purpose. 

EXCLUSIVE REMEDIES

The remedies provided herein are the Buyer’s sole and exclusive 

remedies. Wavelength shall not be liable for any direct, indirect, 

special, incidental, or consequential damages, whether based on 

contract, tort, or any other legal theory.

REVERSE ENGINEERING PROHIBITED

Buyer, End-User, or Third-Party Reseller are expressly prohibited 

from reverse engineering, decompiling, or disassembling this 

product.

NOTICE

The information contained in this document is subject to change 

without notice. Wavelength will not be liable for errors contained 

herein or for incidental or consequential damages in connection 

with the furnishing, performance, or use of this material. No part of 

this document may be translated to another language without the 

prior written consent of Wavelength.

SAFETY

There are no user-serviceable parts inside this product. Return the 

product to Wavelength Electronics for service and repair to ensure 

that safety features are maintained.

LIFE SUPPORT POLICY

This important safety information applies to all Wavelength 

electrical and electronic products and accessories:

As  a  general  policy,  Wavelength  Electronics,  Inc.  does  not 

recommend the use of any of its products in life support applications 

where the failure or malfunction of the Wavelength product can 

be reasonably expected to cause failure of the life support device 

or  to  significantly  affect  its  safety  or  effectiveness.  Wavelength 

will not knowingly sell its products for use in such applications 

unless it receives written assurances satisfactory to Wavelength 

that the risks of injury or damage have been minimized, the 

customer assumes all such risks, and there is no product liability 

for Wavelength. Examples of devices considered to be life support 

devices are neonatal oxygen analyzers, nerve stimulators (for 

any  use),  auto-transfusion  devices,  blood  pumps,  defibrillators, 

arrhythmia detectors and alarms, pacemakers, hemodialysis 

systems, peritoneal dialysis systems, ventilators of all types, and 

infusion pumps as well as other devices designated as “critical” 

by the FDA. The above are representative examples only and are 

not intended to be conclusive or exclusive of any other life support 

device.

REVISION HISTORY

DOCUMENT NUMBER: PLD10K-CH-00400

REV.

DATE

CHANGE

L

November 

2013

Added CE mark and extended 

warranty

M

October 

2015

Added Disable Fall Time 

specification

N

November 

2015

Removed relay short from 

12.5K-CH

O

April 2020

Updated noise section

51 Evergreen Drive

Bozeman, Montana 59715

406-587-4910  (tel)

406-587-4911  (fax)

Sales & Tech Support

[email protected]

[email protected]

Содержание PLD K-CH Series

Страница 1: ...nt 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 me...

Страница 2: ...djust 12 turn Operating Mode PD Range L 15 500 A H 50 5000 A CP Constant Power CC Constant Current J1 J3 J2 Limit Adjust 12 turn Current Limit LED Output Enabled LED H1 PIN 1 COMMON Photodiode Output...

Страница 3: ...ing the voltage drop across the resistor Do not place an ammeter in series with the load circuit 1 5 2 5 V Compliance Current to 15 0 A Components must be heat sinked 0 05 100 W STPS20M100ST 2x J3 4 H...

Страница 4: ...mit Setpoint Monitor Transfer function varies by model refer to Table 2 Range 0 to 2 5 V Impedance 1 k NOTE Current limit needs to be set 0 2 V above desired level see page 15 for instructions on fine...

Страница 5: ...it Setpoint Monitor CC CP VLMON 2 A V 4 6 A V 5 A V IMON Output Current Monitor CC CP VIMON 2 A V 4 6 A V 5 A V Analog Input CC Mode CC 1 A V 2 3 A V 2 5 A V PMON Photodiode Current Monitor Low Range...

Страница 6: ...m Quiescent Current 150 150 250 mA Temperature Coefficient 200 ppm C Noise Ripple3 45 A PHOTODIODE FEEDBACK High Range Type A B Lasers Only 50 5000 A Low Range 15 500 A Constant Power Mode Output Stab...

Страница 7: ...inually monitors the actual output current compares it to the setpoint and adjusts the current if there is a difference between the two signals It may be useful to remember that you do not directly se...

Страница 8: ...r rated for 1 1 times the maximum laser diode drive current and 2 V greater than the compliance voltage of the laser NOTE It is critical to shut down the power supply to the laser first before shuttin...

Страница 9: ...thode LD Enable 5 V GND Internally Shorted Analog Input LIM I Monitor LIM I Status PD Anode Common Low Current PD LD OR 10 F 0 1 F 7 to 30 VDC LM 317 5V REG 732 243 1 3 2 330 F 0 1 F This circuit show...

Страница 10: ...12 5K CH A twisted pair Power and LD Cable is available separately WCB308 Closed Output Enabled Open Output Disabled Figure 8 Type A B Lasers Negative Power Supply Operation PLD5K CH and PLD10K CH J3...

Страница 11: ...athode LD Enable 5 V GND Internally Shorted Analog Input LIM I Monitor LIM I Status PD Cathode Common Low Current PD LD 10 F 0 1 F 8 to 12 5 VDC Heatsinking Required LM 317 5V REG 732 243 1 3 2 330 F...

Страница 12: ...or PD Current I Monitor Output Current LIM I Monitor LIM I Status Optional External Setpoint 0 to 5 V 5 VDC PD Anode J1 1 0 1 F Common Low Current Short J3 5 to J3 1 when analog input is not used PD L...

Страница 13: ...r To trip the current limit at exactly the desired current level refer to Set the Current Limit More Accurately on page 15 to fine tune the current limit ONBOARD ADJUSTMENTS AND CONTROLS Onboard contr...

Страница 14: ...oint This configuration allows the driver to be configured so that the laser current or power modulates around a DC setpoint If the sum of the two signals causes the PLDxK CH to attempt to drive the o...

Страница 15: ...nge L A A V PD Range H 2 5 V 10 6 R 500 Range A A V 6 R 500 10 Transfer Function 2 5 V 10 6 R 5 k Range 6 R 5 k 10 Transfer Function R 5 k R 5000 R 5000 R 500 R 500 R 500 PD Anode COMMON R Internal El...

Страница 16: ...nding to ensure safe operation of the PLDxK CH and laser It is critical that the PLDxK CH Driver is properly grounded If the PLDxK CH Driver is used with a Wavelength Electronics temperature controlle...

Страница 17: ...ode Schottky Diode 1N5818 0 1 F 10 F H1 3 H1 4 Figure 19 PLDxK CH Output Filter MONITOR CALIBRATION CIRCUIT A small offset may be present when measuring the PMON IMON or LMON voltage with respect to t...

Страница 18: ...driven by a negative voltage power supply for the best possible noise performance The electronics of the PLDxK CH driver must be biased by a 5 V power supply configuring the driver requires care when...

Страница 19: ...download applicationtechnotes an ld06 pdf POWER SUPPLIES AND NOISE The PLDxK CH drivers deliver stable current with low noise but the power supply you use will directly influence the noise performanc...

Страница 20: ...ard Mark IMAX on the Y axis and extend a line to the right until it intersects the VDROP line On the X axis mark value of VS Extend a diagonal line from VS to the intersection of the VDROP and IMAX li...

Страница 21: ...iode specifications to determine the forward voltage VF Make sure that the PLDxK CH is not compliance limited Refer to the Electrical Specifications table on page 6 If the driver is compliance limited...

Страница 22: ...CLUDED WITH PLDXK CH MOLEX PART 10 11 2063 5 0 1 2 3 4 6 5 BLACK ORANGE WHITE RED BLUE GREEN SHIELD WIRE OVERALL LENGTH 24 PHOTODIODE CABLE WCB307 INCLUDED WITH PLDXK CH 2 0 RED BLK PIN 1 PIN 2 PD CAT...

Страница 23: ...PECIFICATIONS 2 90 73 66 3 19 80 93 1 12 28 45 0 19 4 83 0 94 23 88 2 10 53 34 1 85 46 99 2 35 59 69 2 60 66 04 2 90 73 66 0 70 17 78 0 15 3 81 0 13 3 18 2 Holes Direction for Recommended Airflow Figu...

Страница 24: ...ing this product NOTICE The information contained in this document is subject to change without notice Wavelength will not be liable for errors contained herein or for incidental or consequential dama...

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