Sharp LT051PS High power red laser diode for dvd-r/dvd-rw drive(635nm-30mw) Datasheet

Laser Diodes
LT051PS
LT051PS
High Power Red Laser Diode for DVD-
■
Features
■
(1)
(2)
(3)
(4)
(5)
Maximum optical power output : 30mW (CW)
Wavelength : 635nm band
Single mode
Single power supply
φ5.6mm package
R/DVD-RW Drive(635nm-30mW)
Outline Dimensions
(Unit : mm)
90 ±2
1
2
■
❇1
Y
Applications
ø2.0
❇2
1.0±0.15
0.4±0.1
X
❇2
3
(1) DVD-R drives
(2) DVD-RW drives
0.4±0.1
Emission point
❇2
+0
ø5.6 – 0.025
ø4.4MAX.
Cap glass
2.3±0.5
1.27±0.08
burr0.1 MAX.
0.5 MAX.
Laser chip
Reference plane 0.5 MIN.
ø1.2 MAX.
1.2±0.1
Monitor PD
Z
6.5±1.0
0.25±0.03
ø3.55±0.1
ø1.0 MIN.
3-ø0.45±0.1
2 1
3
Tolerance ±0.2mm
❇1 : Dimension measured at lead base
❇2 : Within 0.6mm from reference plane
Terminal connection
Single power supply
q
e
Laser
diode
Monitor
photodiode
w
■
Absolute Maximum Ratings
Parameter
❇1
Symbol
Optical power output
PO
Optical power output (pulse)
Pp
Reverse voltage
Rating
(TC=25˚C)
Unit
30
mW
❇2
50
mW
V
Laser
Vrl
2
Monitor photodiode
Vrd
30
V
˚C
❇3
Operating temperature
Topr
-10 to +50
❇3
Storage temperature
Tstg
-40 to +85
˚C
❇4
Soldering temperature
Tsld
260
˚C
❇1
❇2
❇3
42
CW (Continuous Wave) drive
Pulse width : 0.5µs, duty : 50%
Case temperature
Notice
Internet
❇4
At the position of 1.6mm or more from
the lead base (5s)
In the absence of confirmation by device specification sheets, SHARP takes no responsibility for any defects that may occur in equipment using any SHARP
devices shown in catalogs, data books, etc. Contact SHARP in order to obtain the latest device specification sheets before using any SHARP device.
Internet address for Electronic Components Group http://sharp-world.com/ecg/
Laser Diodes
■
LT051PS
Electro-optical Characteristics❇1
Parameter
❇2
Conditions
MIN.
TYP.
MAX.
Unit
Threshold current
Ith
−
-
60
90
mA
Operating current
Iop
Po=30mW
-
105
135
mA
Operating voltage
Vop
Po=30mW
2.0
2.4
2.9
V
Wavelength
λp
Po=30mW
635
639
642
nm
Parallel
θ//
Po=30mW
7.0
8
10
˚
Perpendicular
θ⊥
Po=30mW
21.0
24.0
27.0
˚
Rl
Po=30mW
-
-
±20
%
Parallel
∆θ//
Po=30mW
-
-
±2
˚
Perpendicular
∆θ⊥
Po=30mW
-
-
±3
˚
∆x,∆y,∆z
−
±80
µm
α
Po=30mW
-
-
1.0
-
ηd
20mW
I (30mW) - I (10mW)
0.45
0.7
1.0
mW/mA
Symbol
Conditions
MIN.
TYP.
MAX.
Unit
Output current
Im
Po=30mW, Vrd=5V
0.01
0.025
0.2
mA
Dark current
ID
Vrd=5V
-
-
150
nA
Terminal capacitance
Ct
Vrd=5V, f=1MHz
-
3.5
-
pF
Half intensity angle
Ripple
Misalignment angle
Misalignment position
Interference pattern intensity
Differential efficiency
❇1
❇2
■
(Tc=25˚C)
Symbol
Initial value, CW (Continuous Wave) drive
Angle at 50% peak intensity (full-width at half-maximum)
Electrical Characteristics of Photodiode
Parameter
(Tc=25˚C)
• Please refer to the chapter "Handling Precautions"
Notice
Internet
In the absence of confirmation by device specification sheets, SHARP takes no responsibility for any defects that may occur in equipment using any SHARP
devices shown in catalogs, data books, etc. Contact SHARP in order to obtain the latest device specification sheets before using any SHARP device.
Internet address for Electronic Components Group http://sharp-world.com/ecg/
43
Application Circuits
NOTICE
●The circuit application examples in this publication are provided to explain representative applications
of SHARP devices and are not intended to guarantee any circuit design or license any intellectual
property rights. SHARP takes no responsibility for any problems related to any intellectual property
right of a third party resulting from the use of SHARP's devices.
●Contact SHARP in order to obtain the latest device specification sheets before using any SHARP device.
SHARP reserves the right to make changes in the specifications, characteristics, data, materials,
structure, and other contents described herein at any time without notice in order to improve design or
reliability. Manufacturing locations are also subject to change without notice.
●Observe the following points when using any devices in this publication. SHARP takes no responsibility
for damage caused by improper use of the devices which does not meet the conditions and absolute
maximum ratings to be used specified in the relevant specification sheet nor meet the following
conditions:
(i) The devices in this publication are designed for use in general electronic equipment designs such as:
--- Personal computers
--- Office automation equipment
--- Telecommunication equipment [terminal]
--- Test and measurement equipment
--- Industrial control
--- Audio visual equipment
--- Consumer electronics
(ii)Measures such as fail-safe function and redundant design should be taken to ensure reliability and
safety when SHARP devices are used for or in connection with equipment that requires higher
reliability such as:
--- Transportation control and safety equipment (i.e., aircraft, trains, automobiles, etc.)
--- Traffic signals
--- Gas leakage sensor breakers
--- Alarm equipment
--- Various safety devices, etc.
(iii)SHARP devices shall not be used for or in connection with equipment that requires an extremely
high level of reliability and safety such as:
--- Space applications
--- Telecommunication equipment [trunk lines]
--- Nuclear power control equipment
--- Medical and other life support equipment (e.g., scuba).
●Contact a SHARP representative in advance when intending to use SHARP devices for any "specific"
applications other than those recommended by SHARP or when it is unclear which category mentioned
above controls the intended use.
●If the SHARP devices listed in this publication fall within the scope of strategic products described in
the Foreign Exchange and Foreign Trade Control Law of Japan, it is necessary to obtain approval to
export such SHARP devices.
●This publication is the proprietary product of SHARP and is copyrighted, with all rights reserved. Under
the copyright laws, no part of this publication may be reproduced or transmitted in any form or by any
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publication.
115
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