IC-HK_1 Datasheet, PDF (12/13 Pages) IC-Haus GmbH – 155MHz LASER SWITCH

iC-HK
155MHz LASER SWITCH
RGND
1 GND
DGND
iC-WK
alternativ
R
2 CI
RCI
CI
1k
100nF
3 AGND
+-
0.5V
50k
RM
200
4 MDK
LDK 8
LED
LDA 7
J1
6
VCC
CVCC
100nF
MDA 5
CLDA
1µF
+3.5..5V
MD LD
Rev 21.11.01, Page 12/13
RGND
1 GND
DGND
iC-WK
alternativ
R
2 CI
CI
100nF
3 AGND
+-
0.5V
50k
RM
200
4 MDK
LDK 8
LED
LDA 7
J1
6
VCC
CVCC
100nF
MDA 5
CLDA
1µF
+3.5..5V
MD LD
EN1
Puls
1 EN1
2 AGND1
RK1
3 LDK
CI 8
C1
iC-HK
22nF
VDD 7
GND 6
CVDD
100nF
separate
grounds
0V
Q1
4 AGND2
RK2
EN2 5
Bias
Fig. 25: Same as Figure 24; with laser current
limitation by monitoring the bias current
and reducing V(CI)
EN1
Puls
1 EN1
2 AGND1
RK1
3 LDK
CI 8
iC-HK
VDD 7
GND 6
CVDD
100nF
separate
grounds
0V
Q1
4 AGND2
EN2 5
Bias
RK2
Fig. 26: Same as Figure 24; with permanent
overcurrent shutdown of iC-WK by
monitoring the bias current
RGND
1 GND
iC-WK
DGND
alternativ
R
2 CI
CI
100nF
3 AGND
+-
50k
0.5V
RM
200
CM
4 MDK
LDK 8
LED
LDA 7
6
VCC
J1
CVCC
100nF
MDA 5
CLDA
1µF
+3.5..5V
MD LD
CLD
2.2nF
EN1
1 EN1
CI 8
iC-HK
2 AGND1
RK1
3 LDK
VDD 7
CVDD
100nF
separate
GND 6
grounds
0V
4 AGND2
RK2
EN2 5
EN2
Fig. 27:
Same as Figure 24; with additional
components to reduce oscillation
tendency and ringing (dimensioning has
to be determined by experiment)