TLE4241 Infineon Technologies AG, TLE4241 Datasheet
TLE4241
Available stocks
Related parts for TLE4241
TLE4241 Summary of contents
Page 1
LED Driver with Adjustable Current Features • Adjustable constant output current • Wide input voltage range • Low drop voltage • Open load detection • Overtemperature protection • Short circuit proof • Reverse polarity proof Wide temperature range: -40 °C ...
Page 2
Circuit Description I ST PWM SET Figure 1 Block Diagram An internal reference voltage of typ. 1.20 V supplies the REF pin which is connected to GND via an external resistor. In the SET = H mode the reference current ...
Page 3
Figure 2 Pin Configuration (top view) Table 1 Pin Definitions and Functions Pin No. Symbol 1 GND PWM 4 SET 5 GND 6 REF Data Sheet GND PWM 3 SET ...
Page 4
Application Information µC Figure 3 Application Circuit Figure 3 shows a typical application with the TLE 4241 GM LED driver. The 3 LEDs are driven with an adequate supply current adjusted by the resistor variations due ...
Page 5
PWM V PWM PWM SET V SET SET STL Figure 4 Function and Timing Diagram Data Sheet t SET ...
Page 6
Table 2 Absolute Maximum Ratings -40 °C < < 150 ° Parameter Input Voltage Current Output Voltage Current Status Output Voltage Current Reference Input Voltage Current Pulse Width Modulation Input Voltage Current High/Low Current Input Voltage Current Temperatures ...
Page 7
Table 3 Operating Range Parameter Input voltage Status output voltage SET voltage PWM voltage Junction temperature Reference Resistor Data Sheet Symbol Limit Values Min. Max – SET ...
Page 8
Table 4 Electrical Characteristics 9 V ≤ ≤ kΩ; I REF respect to ground; positive current defined flowing into pin; unless otherwise specified Parameter Current consumption off mode Current consumption Current consumption Current consumption ...
Page 9
Table 4 Electrical Characteristics (cont’ ≤ ≤ kΩ; I REF respect to ground; positive current defined flowing into pin; unless otherwise specified Parameter Turn off delay time SET Input SET high level ...
Page 10
Typical Performance Characteristics Output Current versus External Resistor, SET = H 100 Output Current versus Supply Voltage, SET = H 100 ...
Page 11
Reference Voltage versus Junction Temperature 1. REF 1.23 1.21 1.19 1.17 1.15 - Data Sheet AED03340.VSD Ω REF 80 °C 160 TLE 4241 GM Rev. 1.2, 2004-04-13 ...
Page 12
PWM Pin Input Current versus PWM Voltage 2 PWM 1.5 1.0 0 SET Pin Input Current versus SET Voltage 2 SET 2.0 1.5 1.0 0 ...
Page 13
Package Outlines 1.27 +0.1 0.41 -0.05 Index Marking Index Marking (Chamfer) 1) Does not include plastic or metal protrusion of 0.15 max. per side Figure 5 P-DSO-8-9 (Plastic Dual Small Outline) You can find all of our packages, sorts of ...
Page 14
Version Date Changes Rev. 1.2 2004-04-13 Page 4, 9: Improved indication and explanation of the open load detection function. Data Sheet 14 TLE 4241 GM Revision History Rev. 1.2, 2004-04-13 ...
Page 15
... Edition 2004-04-13 Published by Infineon Technologies AG, St.-Martin-Strasse 53, 81669 München, Germany © Infineon Technologies AG 2004. All Rights Reserved. Attention please! The information herein is given to describe certain components and shall not be considered as a guarantee of characteristics. Terms of delivery and rights to technical change reserved. We hereby disclaim any and all warranties, including but not limited to warranties of non-infringement, regarding circuits, descriptions and charts stated herein ...