NZQFN28 datasheet(1/20 Pages) ROITHNER

tên linh kiện	NZQFN28

Giải thích chi tiết về linh kiện	FAIL-SAFE LASER DIODE DRIVER

PDF	20 Pages

Scroll/Zoom	100%

nhà sản xuất	ROITHNER [Roithner LaserTechnik GmbH]

Trang chủ	http://www.roithner-laser.com

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1 / 20 page

iC-NZ

FAIL-SAFE LASER DIODE DRIVER

Rev B2, Page 1/20

FEATURES

o Peak value controlled three level laser switch for operation

from CW up to 155 MHz

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

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

o Single-failure-proof

o System-enable with self test

o Separate setting of laser power for each channel via external

resistors

o Strong suppression of transients with very small external

capacitors

o Adjustable laser current monitor

o Safety shutdown with overcurrent, overtemperature and

undervoltage

o Autonomous safety circuit for a second photo diode monitoring

the laser power

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

o Error signal output at shutdown

APPLICATIONS

o Pulsed LD modules for safety

applications

o Distance measurement

PACKAGES

QFN28 5 mm x 5 mm

BLOCK DIAGRAM

RSMD

VSL

Laser

Driver

LD MD

VSH

+

−

SMD(0)

SMD(1)

+

Safety

Monitor Diode

FSM

REGEN

SDIS

Current Monitor

TEMPOK

VREF

RSI

RML

LDKM

NSEN

Monitor

EN

Safety

Diode

VBG

and

Reference

VBG

and

Reference

RSI

+5 V

VDD

ENCAL

NERR

NSF

NSEN

NPDR

NTREN

LDAOK

RSIOV

AGND

LDKH

CIL

LDKL

CIH

CIM

MDL

RMDM

RMDH

RMM

RMH

CIL

CIM

CIH

LDA

LENH

LENM

LENL

RGND

MDOK

CIOK

LDKGND

MD

LD

N

MD LD

P

suitable laser diode configurations

LD MD

M

SMD

GND

LDKH

RVDD

http://www.ichaus.com

Số phần tương tự - NZQFN28

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