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NZQFN28 데이터시트(PDF) 8 Page - Roithner LaserTechnik GmbH

부품명 NZQFN28
상세설명  FAIL-SAFE LASER DIODE DRIVER
PDF  20 Pages
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제조업체  ROITHNER [Roithner LaserTechnik GmbH]
홈페이지  http://www.roithner-laser.com
Logo ROITHNER - Roithner LaserTechnik GmbH

NZQFN28 데이터시트(HTML) 8 Page - Roithner LaserTechnik GmbH

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iC-NZ
FAIL-SAFE LASER DIODE DRIVER
Rev B2, Page 8/20
CONTENTS
DESCRIPTION OF FUNCTIONS
9
Monitoring the laser current . . . . . . . . . .
9
Demo board . . . . . . . . . . . . . . . .
9
Switching up to three laser power levels . . .
9
1. Enabling the system . . . . . . . . . . . . .
10
Demo board . . . . . . . . . . . . . . . .
10
Possible sources of error
. . . . . . . . . . .
10
2. Calibrating the low and middle channels
.
10
Setting the low output level . . . . . . . . . .
10
Demo board . . . . . . . . . . . . . . . .
10
Setting the middle channel
. . . . . . . . . .
10
Demo board . . . . . . . . . . . . . . . .
11
3. Calibrating the high channel . . . . . . . .
11
Demo board . . . . . . . . . . . . . . . .
11
Possible sources of error
. . . . . . . . . . .
11
Demo-Board . . . . . . . . . . . . . . . . . .
12
Warning!
. . . . . . . . . . . . . . . . . . . .
12
OPERATION WITH ONE OR TWO CHANNELS
12
SINGLE-FAILURE PROTECTION
15
Calibrating the safety monitor diode
. . . . .
15
Demo-Board . . . . . . . . . . . . . . .
15
Operation without a second monitor diode . .
15
Demo-Board . . . . . . . . . . . . . . .
15
MISCELLANEOUS
17
Status outputs NERR, NSF and REGEN . . .
17
Controlled burst mode . . . . . . . . . . . . .
17
Extending the laser current . . . . . . . . . .
17
Driving blue laser diodes . . . . . . . . . . . .
19
DEMO BOARD
19



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