IC-WJEVALWJ1D ICHAUS [IC-Haus GmbH], IC-WJEVALWJ1D Datasheet

no-image

IC-WJEVALWJ1D

Manufacturer Part Number
IC-WJEVALWJ1D
Description
LASER DIODE DRIVER
Manufacturer
ICHAUS [IC-Haus GmbH]
Datasheet
Copyright © 2006 iC-Haus
iC-WJ, iC-WJZ
LASER DIODE DRIVER
FEATURES
BLOCK DIAGRAM
Laser diode driver for continuous and pulsed operation (CW to
300 kHz) up to 250 mA
Averaging control of laser power
Simple adjustment of the laser power via external resistor
Adjustable watchdog at the switching input to protect the laser
diode
Soft-start after power-on
Driver shutdown with overtemperature and undervoltage
Single 5 V supply
Simple circuitry
iC-WJ for laser diodes with 50 to 500 µA monitor current
iC-WJZ for laser diodes with 0.15 to 1.5 mA monitor current
10 kΩ
RSET
74HCxx
4
6
ISET
IN
REFERENCE
INPUT
2
CWD
CWD
2
REF
VCC
3
REF
POWER DOWN
WATCHDOG
THERMAL
SHUTDOWN
4
100 nF..470 nF
CI
3
CI
iC−WJ/WJZ
DRIVER STAGE
1:3 iC−WJZ
1:1 iC−WJ
GND
1
PACKAGES
APPLICATIONS
1
General purpose laser diode
driver
AMD
VCC
KLD
SO8
5
8
7
usable LD models
R1
12Ω
C3
2 nF
Rev C1, Page 1/12
http://www.ichaus.com
MSOP8
100 µF
LD
C1
+5 V
MD

Related parts for IC-WJEVALWJ1D

Related keywords