© 2018
7
WLD SERIES LASER DIODE DRIVERS
ELECTRICAL SPECIFICATIONS
(CONTINUED)
MODEL
PARAMETER
WLD3343HB
WLD3343-2A
WLD3343-3A
UNIT
NOTE
INPUT
Offset Voltage, initial, I
MON
1
mV
Pin 2, T
AMBIENT
=25°C, V
CM
=0 V
V
SET
Bias Current [4]
-50 to 150
μA
V
SET
Input Voltage Range
0 to 2
V
Power Supply Rejection
80
dB
Full Temperature Range
V
SET
Damage Threshold
> V
DD
+ 0.5 or < -0.5
V
V
SET
Input Impedance
20
kΩ
THERMAL
Max Internal Power Dissipation
(No Heatskink, No Airflow)
1.2
1.2
2
W
T
AMBIENT
= 25°C
Max Internal Power Dissipation
(Heatsink, No Airflow)
2
2
3
W
T
AMBIENT
= 25°C
Max Internal Power Dissipation
(Heatsink, Fan)
9
9
10
W
T
AMBIENT
= 25°C
Heatspreader Temperature Rise
T
AMBIENT
= 25°C
30
°C / W
No heatsink, washer, fan.
21.5
°C / W
With WHS302 Heatsink,
WTW002 Thermal Washer
3.4
°C / W
With WHS302 Heatsink,
WTW002 Thermal Washer,
and 3.5 CFM Fan
Pin Solderability Time
10
s
Solder temperature 260°C
POWER SUPPLY
Voltage, V
DD
3.3 to 6
5 to 12
5 to 12
V
Current, V
DD
Supply, Quiescent
10
mA
MONITOR ACCURACY
Monitor Voltage vs.
Expected Output Current
0.5
%
Based on transfer function
PD Monitor vs. Actual
3.3
%
Setpoint vs. Actual
3.5
%
[4] As V
SET
approaches zero volts, the V
SET
signal source must sink up to 50 μA. As V
SET
approaches 2 V, the V
SET
signal source must
source up to 150 μA.