Datasheet > IC-NZQFN28

IC-NZQFN28

更新时间： 2024-02-28 20:21:46

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
20页	509K
描述
FAIL-SAFE LASER DIODE DRIVER

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中文翻译

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数据手册

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IC-NZQFN28 数据手册

iC-NZ

FAIL-SAFE LASER DIODE DRIVER

Rev B2, Page 1/20

FEATURES

APPLICATIONS

♦ Peak value controlled three level laser switch for operation

from CW up to 155 MHz

♦ Pulsed LD modules for safety

applications

♦ Spike-free switching of laser currents of ca. 100 mA per

channel (320 mA total) from 3.5 to 5 V supply voltage

♦ Single-failure-proof

♦ Distance measurement

♦ System-enable with self test

♦ Separate setting of laser power for each channel via external

resistors

♦ Strong suppression of transients with very small external

capacitors

♦ Adjustable laser current monitor

♦ Safety shutdown with overcurrent, overtemperature and

undervoltage

PACKAGES

♦ Autonomous safety circuit for a second photo diode monitoring

the laser power

♦ All current LD types can be used (M/P/N conﬁgurations)

♦ Error signal output at shutdown

QFN28 5 mm x 5 mm

BLOCK DIAGRAM

LENL LENM LENH

SDIS

REGEN

+5 V

LDA

VDD

Safety

RSI

Current Monitor

Monitor

Diode

RVDD

RSI

LD MD

RSIOV

NSEN

LDAOK

NTREN

LDKH

ENCAL

MDOK

CIOK

LDKM

LDKL

LDKGND

NSEN

FSM

NERR

NSF

CIH

CIM

CIL

CIH

NPDR

TEMPOK

CIM

CIL

MDL

Safety

Monitor Diode

Laser

Driver

RMDM

RMDH

SMD

VBG

and

Reference

−

SMD(1)

VSH

VSL

RSMD

RML

RMM

−

RMH

SMD(0)

VBG

and

RGND

Reference

VREF

GND

AGND

suitable laser diode configurations

MD LD

LD MD

http://www.ichaus.com

12 3 4 5 6 7...20

中文翻译

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