MAX988 数字控制功率和调制可视激励驱动器.pdf

文档介绍：DESIGN SHOWCASE
(IC4) Q1
( )
R6
IC3 “”
1 3 10
(DAC)
(R10)
(MOD)
[ ]
VCC
1
VCC
5V LASER DIODE
R8
100k 2 3
C1
1
µF C6
R6
V R1
CC 2 22k
OUT 1k
IC1 4700pF
R2
MAX6125 R10 10Ω
10M
C2 VCC
GND µF
3
C4
µ
C3 F
V
0. 4 5
IN- 3
VCC R9
470Ω
8 6 1 1 Q1
2 OUT MMBT3904LT1
CS CS
VCC REF
3 1 3 GND IC3
DIN DIN OUT IN+ 2
SCLK 4 SCLK GND FB R3 2 MAX4124
IC2 75 10k
VCC
MAX5354 R4
10k C5
µF
2
3
MOD IN-
VCC
VCC 1
R5 OUT
10k
4 GND IC4
IN+
5 MAX988
R7
10k
1.
11
R6 DAC R1 “”
Q1 :
DAC ( IC1)
2V/V DAC R1
0 5V DAC Q1
3/23/98 Electronic
Q1 MOD
Design
R9 IC3
12