Datasheet > IC-WKSO8

IC-WKSO8

更新时间： 2024-11-16 11:18:47

品牌	Logo	应用领域
ICHAUS		驱动器二极管激光二极管
页数	文件大小	规格书
8页	232K
描述
2.4 V CW LASER DIODE DRIVER

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中文翻译

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数据手册

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IC-WKSO8 数据手册

iC-WK, iC-WKL

2.4 V CW LASER DIODE DRIVER

Rev D1, Page 1/8

FEATURES

APPLICATIONS

♦ Battery-powered LD modules

♦ LD Pointers

♦ Laser levels

♦ CW operation up to 90 mA from 2.4 to 6 V supply voltage

♦ Rapid soft start after power-on typical within 70 µs

♦ Simple power adjustment via the external resistor

♦ Control loop accuracy better than 1% with changes in

temperature, supply voltage and load current

♦ Bar-code readers

♦ Integrated reverse polarity protection for the iC and laser diode

♦ Strong suppression of transients with very small external

capacitors; integrated ﬂyback path

♦ Permanent shutdown with excessive temperature and

overcurrent (i.e. if the laser diode is damaged or the feedback

current path fails)

♦ Two feedback inputs permit all current LD types to be used

(N/P/M conﬁgurations)

PACKAGES

♦ Modulation via the feedback inputs is possible

♦ Wide monitor current range from 10 µA to 2.5 mA

♦ iC-WK with additional spike detection at monitor input MDA

SO8

MSOP8

BLOCK DIAGRAM

VCC

+2.4..+6 V

LDA

CVCC

CLDA

..1 uF..

..47 nF..

TRANSIENT

PROTECTION

MDK

MDA

MD LD

−

iC−WKL

VREF

0.5 V

LDK

200..50 k Ω

47 pF

..100 nF..

OVERCURRENT/

OVERTEMP.

iC−WK

FEEDBACK MON.

GND

AGND

GND

suitable laser diode configurations: N, P, M

MD LD

http://www.ichaus.com

12 3 4 5 6 7 8

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