Wavelength Electronics FL500 Скачать руководство пользователя страница 13

MECHANICAL SPECIFICATIONS

FL500 IS REFLOW PROCESS COMPATIBLE.

All dimensions are ±5%

0.75”

[19.1 mm]

0.047”

[1.19 mm]

0.125”

[3.2 mm]

0.45”

[11.4 mm]

0.48”

[12.2 mm]

0.040”

[1.02 mm]

0.55”

[13.8 mm]

0.26”

[6.5 mm]

0.035”

0.89 mm

0.45”

[11.4 mm]

0.100”

[2.5 mm]

0.085”

[2.2 mm]

0.100”

[2.5 mm]

0.018”

[0.46 mm]

0.75”

[19.1 mm]

PCB FOOTPRINT

© 2020

www.teamWavelength.com

13

FL500 LASER DIODE DRIVER

Содержание FL500

Страница 1: ...patible Shutdown Pin Adjustable Current Limit on Evaluation Board Adjustable Current Range Output 500 kHz sinewave Constant Current Bandwidth 100 kHz square wave CONTENTS QUICK CONNECT GUIDE 2 PIN DES...

Страница 2: ...A calculator https www teamwavelength com support design tools soa ld calculator Figure 1 FL500 Top View Pin Layout Figure 2 Dual 250 mA drivers configuration Figure 1 shows the top view Pin layout of...

Страница 3: ...node Laser Diode Cathode Photodiode Anode Common Figure 4 Laser Type Diagrams LASER DRIVER TEST LOADS Figure 5 shows a recommended simulated laser load for Type A and Type B lasers in Constant Current...

Страница 4: ...VSET1 VSET2 VSET2 6 Setpoint for LDC2 control 2 k input impedance 0 to 2 V range There is no internal clamping so higher voltage here will produce more current through the laser diode Not recommended...

Страница 5: ...IOUT 500 mA 300 nsec Fall Time IOUT 500 mA 300 nsec Bandwidth Constant Current Sine Wave 500 kHz Bandwidth Constant Current Square Wave 100 kHz Delayed Start 100 msec Slow Start ramp rate 15 mA msec D...

Страница 6: ...de Rejection Setpoint Full Temperature Range 16 64 dB Power Supply Rejection Full Temperature Range 60 dB THERMAL Heatspreader Temperature Rise TAMBIENT 25 C 43 C W Pin Solderability Solder temp 260 C...

Страница 7: ...roper handling of sensitive electronics and is easily preventable with simple precautions For more information regarding ESD see Application Note AN LDTC06 Basics Electrostatic Discharge ESD We recomm...

Страница 8: ...m VS is determined by the voltage drop across the laser diode and half the setpoint voltage VSMIN VLD VSET 2 25 mV across FET Ground this power supply at Pins 9 10 PGND Using Pin 2 could damage the FL...

Страница 9: ...8 11 12 on each FL500 together and wire the test load to these pins and Pin 1 VDD Tie PGND Pins 9 10 together and use to ground VS Ground Pin 2 as well Tie each Pin 3 RESET together and ground to enab...

Страница 10: ...driver use the same circuit to also connect to VSET2 CONSTANT POWER MODE To operate in Constant Power mode with photodiode feedback use the circuit below from the FL591 schematic PDA1 PDR1 R10 1 0K 1...

Страница 11: ...the driver will be operating within the SOA Refer to the laser datasheet to find the maximum voltage VLOAD and current ILOAD specifications Calculate the voltage drop across the driver VDROP VS VLOAD...

Страница 12: ...r driver is compliance limited Check the laser diode specifications to determine the forward voltage VF Make sure that the FL500 is not compliance limited Refer to the Electrical Specifications table...

Страница 13: ...are 5 0 75 19 1 mm 0 047 1 19 mm 0 125 3 2 mm 0 45 11 4 mm 0 48 12 2 mm 0 040 1 02 mm 0 55 13 8 mm 0 26 6 5 mm 0 035 0 89 mm 0 45 11 4 mm 0 100 2 5 mm 0 085 2 2 mm 0 100 2 5 mm 0 018 0 46 mm 0 75 19...

Страница 14: ...r 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 con...

Отзывы: