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| Low Drop Voltage Regulator TLE 4296-2 Features * * * * * * * * * * * * * * Two versions: 3.3 V, 5.0 V Output voltage tolerance 4% Very low drop voltage Output current: 30 mA Inhibit input Low quiescent current consumption Wide operation range: up to 45 V Wide temperature range: -40 C Tj 150 C Output protected against short circuit Overtemperature protection Reverse polarity proof Very small SMD-Package PG-SCT595-5 Green Product (RoHS compliant) AEC Qualified Functional Description The TLE 4296-2 G is a monolithic integrated low-drop voltage regulator in the very small SMD package PG-SCT595-5. It is designed to supply e.g. microprocessor systems under the severe conditions of automotive applications. Therefore the device is equipped with additional protection functions against overload, short circuit and reverse polarity. At overtemperature the regulator is automatically turned off by the integrated thermal protection circuit. Input voltages up to 40 V are regulated to VQ,nom = 3.3 V (V33 version) or 5.0 V (V50 version). The output is able to drive a load of more than 30 mA while it regulates the output voltage within a 4% accuracy. To save energy the device can be switched in stand-by mode via an inhibit input which causes the current consumption to drop below 5 A. Type TLE 4296-2 GV33 TLE 4296-2 GV50 Data Sheet Package PG-SCT595-5 PG-SCT595-5 1 Rev. 1.1, 2008-01-28 TLE 4296-2 INH 1 5 GND GND 2 3 4 Q AEP02253 Figure 1 Table 1 Pin No. 1 2 3 4 5 Pin Configuration (top view) Pin Definitions and Functions Symbol INH GND I Q GND Function Inhibit input; high level to turn IC on Ground; connected to pin 5 Input voltage Output voltage; must be blocked with a ceramic capacitor CQ 3.3 F, ESR 2 Ground; connected to pin 2 Data Sheet 2 Rev. 1.1, 2008-01-28 TLE 4296-2 Temperature Control Saturation Control and Protection Circuit 4 Q 3 Band-GapReferenz + 1 INH 2,5 GND AEB02312 Figure 2 Block Diagram Data Sheet 3 Rev. 1.1, 2008-01-28 TLE 4296-2 Table 2 Absolute Maximum Ratings -40 C < Tj < 150 C Parameter Input Voltage Current Output Voltage Current Inhibit Voltage Current Current Temperatures Junction temperature Storage temperature Thermal Resistances Junction pin Junction ambient1) Symbol Limit Values Min. Max. 45 - 30 - 45 * 5 V mA V mA V A mA - internally limited - internally limited - * internally limited -0.3 V < VI < 45 V; tp < 1 ms - - measured to pin 5 zero airflow zero heat sink area Unit Remarks VI II VQ IQ VINH IINH IINH -42 - -0.3 - -42 -500 -5 Tj Tstg Rthj-pin Rthja -40 -50 - - 150 150 30 179 C C K/W K/W 1) Worst case regarding peak temperature. Note: Maximum ratings are absolute ratings; exceeding any one of these values may cause irreversible damage to the integrated circuit. Data Sheet 4 Rev. 1.1, 2008-01-28 TLE 4296-2 Table 3 Parameter Input voltage Inhibit voltage Operating Range Symbol Limit Values Min. Max. 45 45 40 150 V V V C TLE 4296-2 GV33 TLE 4296-2 GV50 - - 4.0 5.5 -0.3 -40 Unit Remarks Junction temperature VI VI VINH Tj Data Sheet 5 Rev. 1.1, 2008-01-28 TLE 4296-2 Table 4 Electrical Characteristics VI = 13.5 V; VINH > +2.5 VQ; -40 C < Tj < 150 C; unless otherwise specified Parameter Output voltage V33 version Symbol Limit Values Min. Typ. 3.30 3.30 5.00 5.00 - 0.25 - 2 130 0 Max. 3.43 3.43 5.20 5.20 - 0.30 - 5.2 170 1 V V V V mA V F mA A A 1 mA < IQ < 30 mA VI = 13.5 V 3.17 3.17 Output voltage V50 version Unit Test Condition VQ VQ 4.80 4.80 IQ = 10 mA 4.3 V < VI < 40 V 1 mA < IQ < 30 mA VI = 13.5 V IQ = 10 mA 6 V < VI < 40 V 1) Output current limitation Drop voltage Output capacitor Current consumption Iq = II - IQ Current consumption Iq = II - IQ Quiescent current (stand-by) Iq = II - IQ Quiescent current (stand-by) Iq = II - IQ IQ Vdr CQ Iq Iq Iq 30 - 3.3 - - - IQ = 20 mA1) ESR 2 at 10 kHz IQ < 30 mA IQ < 0.1 mA; Tj < 85 C VINH = 0.4 V; Tj < 85 C VINH = 0.4 V Iq - 0 5 A Data Sheet 6 Rev. 1.1, 2008-01-28 TLE 4296-2 Table 4 Electrical Characteristics (cont'd) VI = 13.5 V; VINH > +2.5 VQ; -40 C < Tj < 150 C; unless otherwise specified Parameter Load regulation Symbol VQ - Limit Values Min. Typ. 17 Max. 50 mV 1 mA < IQ < 25 mA; Tj = 25 C TLE 4296-2 GV50 1 mA < IQ < 25 mA; Tj = 25 C TLE 4296-2 GV33 Unit Test Condition - 14 40 mV Line regulation VQ - 10 25 mV VI = (VQ,nom + 0.5 V) to 36 V IQ = 5 mA; Tj = 25 C Power Supply Ripple Rejection Logic Inhibit Input Inhibit, Turn-on voltage Inhibit, Turn-off voltage H-input current L-input current PSRR - 60 - dB fr = 100 Hz; Vr = 0.5 Vpp VQ > 0.95 VQ,nom VQ > 0.1 V VINH = 5 V VINH = 0 V VINH, high VINH, low IINH, high IINH, low - 0.4 - -2 - - 8 - 2.2 - 12 2 V V A A 1) Measured when the output voltage VQ has dropped 100 mV from the nominal value. Data Sheet 7 Rev. 1.1, 2008-01-28 TLE 4296-2 V Q ,nom + 0.5V to 45V C 100 nF Inhibit 3 4 Q 3.0V / 3.3V / 5.0V TLE 4296-2G INH CQ 4.7 F e.g. TDK C3216X7R1C475M 1 2,5 GND AES02313_4296-2 Figure 3 Application Circuit Application Information In the TLE 4296-2 G the output voltage is divided and compared to an internal reference of 2.5 V typical. The regulation loop controls the output to achieve a stabilized output voltage. Figure 3 shows a typical application circuit. In order to maintain the stability of the control loop the TLE 4296-2 G output requires an output capacitor CQ of at least 3.3 F with a maximum permissible ESR of 2 . It is recommended to use a multi layer ceramic capacitor for CQ, e.g. the TDK C3216X7R1C475M with a nominal capacitance of 4.7 F. Aluminum electrolytic as well as tantalum capacitors do not cover the required ESR range over the full operating temperature range of -40 C to 150 C. At the input of the regulator an input capacitor is necessary for compensating line influences (100 nF ceramic capacitor recommended). A resistor of approx. 1 in series with CI, can damp any oscillation occurring due the input inductivity and the input capacitor. If the regulator is sourced via long input lines of several meters it is recommended to place an additional electrolytic capacitor 47 F at the input. Data Sheet 8 Rev. 1.1, 2008-01-28 TLE 4296-2 Typical Performance Characteristics Output Voltage VQ versus Input Voltage VI 10 AED03349.VSD Current Consumption Iq versus Input Voltage VI 1000 AED03347.VSD VQ V 8 VINH = 5 V RL = 1 k Iq A 800 VINH = 5 V 6 GV50 4 600 GV33 400 RL = 1 k 2 200 RL = 5 k 0 0 2 4 6 8 V 10 0 0 10 20 30 40 V 50 VI VI Data Sheet 9 Rev. 1.1, 2008-01-28 TLE 4296-2 Package Outlines B 1.2 +0.1 -0.05 2.9 0.2 (2.2) (0.3) 1.1 max 0.1 max 2.6 max 0.25 min (0.4) 1) (0.13) 0.3 +0.1 -0.05 0.6 +0.1 -0.05 0.95 1.9 0.25 M 1) 0.15 +0.1 -0.06 0.20 M A B Contour of slot depends on profile of gull-wing lead form 10max 1.6 0.1 (0.23) +0.2 acc. to DIN 6784 1) 10max A GPW05997 Figure 4 PG-SCT595-5 (Plastic Small Outline) Green Product (RoHS compliant) To meet the world-wide customer requirements for environmentally friendly products and to be compliant with government regulations the device is available as a green product. Green products are RoHS-Compliant (i.e Pb-free finish on leads and suitable for Pb-free soldering according to IPC/JEDEC J-STD-020). For further information on alternative packages, please visit our website: http://www.infineon.com/packages. Dimensions in mm Data Sheet 10 Rev. 1.1, 2008-01-28 TLE 4296-2 Revision History Version Rev. 1.1 Date Changes 2008-01-28 Initial version of RoHS-compliant derivate of TLE 4296-2 Page 1: AEC certified statement added. Page 1 and Page 10: RoHS compliance statement and Green product feature added. Page 1 and Page 10: Package changed to RoHS compliant version. Legal Disclaimer updated 2004-01-01 Final datasheet Rev. 1.0 Data Sheet 11 Rev. 1.1, 2008-01-28 Edition 2008-01-28 Published by Infineon Technologies AG 81726 Munich, Germany (c) 2008 Infineon Technologies AG All Rights Reserved. Legal Disclaimer The information given in this document shall in no event be regarded as a guarantee of conditions or characteristics. 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 intellectual property rights of any third party. Information For further information on technology, delivery terms and conditions and prices, please contact the nearest Infineon Technologies Office (www.infineon.com). Warnings Due to technical requirements, components may contain dangerous substances. For information on the types in question, please contact the nearest Infineon Technologies Office. Infineon Technologies components may be used in life-support devices or systems only 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. |
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