Description
iC-WK 2.4V CW LASER DIODE DRIVER .
The iC-WK device is a driver for laser diodes in continuous wave operation which requires only four external components.
Features
* ° CW operation up to 60mA from 2.4..6V supply voltage ° Rapid soft start after power-on ° Simple power adjustment via the external resistor ° Control loop accuracy better than 1% with changes in
temperature, supply voltage and load current ° Integrated reverse polarity protection for the iC and lase
Applications
* ° Battery-powered LD modules ° LD Pointers
PACKAGES
(MSOP8)
SO8
BLOCK DIAGRAM
+2.4.. +5.5V
6 VCC
CVCC
47nF
TRANSIENT PROTECTION
1 D
LDA 7
CLDA . .1µF. . MDK 4
- MDA 5
+
VREF 0.5V
CI 2
LDK 8
MD LD
NQ R
iC-WK
OVER CURRENT
OVER TEMP. CI RM 200 . .50k
. .100nF. . GND
1 GND
AGND 3
suitab