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PDF TEPT4400 Data sheet ( Hoja de datos )
| Número de pieza | TEPT4400 | |
| Descripción | Ambient Light Sensor | |
| Fabricantes | Vishay Siliconix | |
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Ambient Light Sensor
Description
TEPT4400, photo transistor for ambient light sensor
application, plays a key role in power savings strate-
gies by controlling LCD display intensity and keypad
backlighting of mobile devices and in industrial on/off-
lighting operation. It is sensitive to visible light much
like the human eye and has peak sensitivity at 570 nm.
TEPT4400 is packaged in a T 1" package.
TEPT4400
Vishay Semiconductors
94 8396
Features
• High sensivity, IPCE = 200 µA (EV = 100 lx)
• Adapted to human eye responsivity
• Wide angle of half sensitivity ϕ = ± 30°
• T 1" package (3 mm)
e4
• Lead (Pb)-free component in accordance with
RoHS 2002/95/EC and WEEE 2002/96/EC
Applications
Ambient light sensor for control of display backlight
dimming in LCD displays and keypad backlighting of
mobile devices and in industrial on/off-lighting opera-
tion.
Replacement of CdS Photoresistors.
Absolute Maximum Ratings
Tamb = 25 °C unless otherwise specified
Parameter
Test condition
Collector Emitter Voltage
Emitter Collector Voltage
Collector current
Total Power Dissipation
Junction Temperature
Tamb ≤ 55 °C
Operating Temperature Range
Storage Temperature Range
Soldering Temperature
t<3s
Thermal Resistance Junction/
Ambient
Symbol
VCEO
VECO
IC
Ptot
Tj
Tamb
Tstg
Tsd
RthJA
Value
6
1.5
20
100
100
- 40 to + 85
- 40 to + 100
260
350
Unit
V
V
mA
mW
°C
°C
°C
°C
K/W
Document Number 81341
Rev. 1.1, 03-Jul-06
www.vishay.com
1
1 page  
TEPT4400
Vishay Semiconductors
Ozone Depleting Substances Policy Statement
It is the policy of Vishay Semiconductor GmbH to
1. Meet all present and future national and international statutory requirements.
2. Regularly and continuously improve the performance of our products, processes, distribution and operating
systems with respect to their impact on the health and safety of our employees and the public, as well as
their impact on the environment.
It is particular concern to control or eliminate releases of those substances into the atmosphere which are
known as ozone depleting substances (ODSs).
The Montreal Protocol (1987) and its London Amendments (1990) intend to severely restrict the use of ODSs
and forbid their use within the next ten years. Various national and international initiatives are pressing for an
earlier ban on these substances.
Vishay Semiconductor GmbH has been able to use its policy of continuous improvements to eliminate the use
of ODSs listed in the following documents.
1. Annex A, B and list of transitional substances of the Montreal Protocol and the London Amendments
respectively
2. Class I and II ozone depleting substances in the Clean Air Act Amendments of 1990 by the Environmental
Protection Agency (EPA) in the USA
3. Council Decision 88/540/EEC and 91/690/EEC Annex A, B and C (transitional substances) respectively.
Vishay Semiconductor GmbH can certify that our semiconductors are not manufactured with ozone depleting
substances and do not contain such substances.
We reserve the right to make changes to improve technical design
and may do so without further notice.
Parameters can vary in different applications. All operating parameters must be validated for each
customer application by the customer. Should the buyer use Vishay Semiconductors products for any
unintended or unauthorized application, the buyer shall indemnify Vishay Semiconductors against all
claims, costs, damages, and expenses, arising out of, directly or indirectly, any claim of personal
damage, injury or death associated with such unintended or unauthorized use.
Vishay Semiconductor GmbH, P.O.B. 3535, D-74025 Heilbronn, Germany
Document Number 81341
Rev. 1.1, 03-Jul-06
www.vishay.com
5
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet TEPT4400.PDF ] | |
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