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PDF TLE4240-3M Data sheet ( Hoja de datos )
| Número de pieza | TLE4240-3M | |
| Descripción | Low Dropout Linear LED Driver | |
| Fabricantes | Infineon Technologies | |
| Logotipo |  |
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Low Dropout Linear LED Driver
TLE 4240-2/3 M
Features
• Typ. 58 mA constant output current
• Low dropout voltage
• Tiny SMD package PG-SCT595-5
• Open load detection (Version TLE 4240-3 M only)
• 45 V input voltage operation range
• Safe operation area monitoring
• Output protected against short circuit
to GND and supply
• Reverse polarity protection
• Wide temperature range: -40 °C ≤ Tj ≤ 150 °C
• Overtemperature shutdown
• Suitable for use in automotive electronics
PG-SCT-595
Functional Description
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The TLE 4240-2/3 M is a monolithic integrated low dropout linear constant current
source. It is designed to supply white or color LEDs in order to achive constant
brightness and extended LED lifetime independent from supply voltage or LED forward
voltage class.
Protection circuits prevent from damage to the device in case of overload, short circuit,
reverse polarity and overheat. The LEDs connected are protected against reverse
polarity transients as well as against voltages up to 45 V. The Safe Operation Area
(SOA) monitoring function limits the output current in case of a very high drop voltage
across the regulator. For details see graph “Output Current versus Drop Voltage”.
Version TLE 4240-3 M is equipped with a status output indicating an open load failure
condition.
The TLE 4240-2/3 M is supplied in a space-saving PG-SCT595-5 package offering
minimal thermal resistance.
Type
TLE 4240-2 M
TLE 4240-3 M
Datasheet
Package
PG-SCT595-5
PG-SCT595-5
Remark
–
Open load detection
Marking
42
43
1 Rev. 1.1, 2006-12-07
datasheet pdf - http://www.DataSheet4U.net/
1 page  
TLE 4240-2/3 M
Table 3
Functional Range
Parameter
Symbol Limit Values
Min. Max.
Input voltage
Status output voltage
(Version TLE 4240-3 M only)
VI
VST
3
–
45
15
Junction temperature
Tj -40 150
Unit
V
V
°C
Remarks
–
–
–
Table 4
Thermal Resistance
Parameter
Symbol Typ. Limit Unit
Values
Junction ambient
Rth,j-a
179
99
K/W
K/W
87 K/W
Junction pin 5
Rth,j-pin5 26
K/W
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1) Mounted an a PCB 80 × 80 × 1.5 mm3, horizontal position, zero airflow.
Remarks
A: footprint only1)
A = 300 mm 1)
A = 600 mm 1)
measured to pin 5
Table 5
Electrical Characteristics
VI = 13.5 V; VQ = 6 V; -40 °C ≤ Tj ≤ 150 °C; unless otherwise specified
Parameter
Symbol Limit Values Unit Test Condition
Min. Typ. Max.
Regulator:
Output current
Dropout voltage
Vdr = VI - VQ
IQ 51 57 63 mA Tj = 100 °C
46 58 70 mA 9 V ≤ VI ≤ 16 V
Tj ≤ 125 °C
Vdr – 0.5 0.7 V IQ = 40 mA
Datasheet
5 Rev. 1.1, 2006-12-07
datasheet pdf - http://www.DataSheet4U.net/
5 Page 
Edition 2006-12-07
Published by Infineon Technologies AG,
81726 München, Germany
http://www.DataSheet4U.net/
© Infineon Technologies AG 2006.
All Rights Reserved.
Attention please!
The information given in this data sheet shall in no event be regarded as a guarantee of conditions or character-
istics (“Beschaffenheitsgarantie”). With respect to any examples or hints given herein, any typical values stated
herein and/or any information regarding the application of the device, Infineon Technologies hereby disclaims any
and all warranties and liabilities of any kind, including without limitation warranties of non-infringement of intellec-
tual property rights of any third party.
Information
For further information on technology, delivery terms and conditions and prices please contact your nearest Infi-
neon Technologies Office (www.infineon.com).
Warnings
Due to technical requirements components may contain dangerous substances. For information on the types in
question please contact your nearest Infineon Technologies Office.
Infineon Technologies Components may only be used in life-support devices or systems with the express written
approval of Infineon Technologies, if a failure of such components can reasonably be expected to cause the failure
of that life-support device or system, or to affect the safety or effectiveness of that device or system. Life support
devices or systems are intended to be implanted in the human body, or to support and/or maintain and sustain
and/or protect human life. If they fail, it is reasonable to assume that the health of the user or other persons may
be endangered.
datasheet pdf - http://www.DataSheet4U.net/
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