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

IC-WJEVALWJ1D

Manufacturer Part Number

IC-WJEVALWJ1D

Description

LASER DIODE DRIVER

Manufacturer

ICHAUS [IC-Haus GmbH]

Datasheet

1.IC-WJEVALWJ1D.pdf (12 pages)

Current page: 1 of 12
Download datasheet (578Kb)

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

ISET

REFERENCE

INPUT

CWD

REF

VCC

REF

POWER DOWN

WATCHDOG

THERMAL

SHUTDOWN

100 nF..470 nF

iC−WJ/WJZ

DRIVER STAGE

1:3 iC−WJZ

1:1 iC−WJ

GND

PACKAGES

APPLICATIONS

General purpose laser diode

driver

AMD

VCC

KLD

SO8

usable LD models

12Ω

2 nF

Rev C1, Page 1/12

http://www.ichaus.com

MSOP8

100 µF

+5 V

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