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| Low-Drop Voltage Regulator Data Sheet Features * * * * * * * * * * * * Three versions: 3.0 V, 3.3 V, 5.0 V Output voltage tolerance 4% Very low drop voltage Output current: 30 mA Power fail output 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 SCT-595 Ordering Code Q67006-A9410 Q67006-A9409 Q67006-A9395 TLE 4295 SCT 595 Type TLE 4295G V30 TLE 4295G V33 TLE 4295G V50 New type Package SCT-595 (SMD) SCT-595 (SMD) SCT-595 (SMD) Functional Description The TLE 4295 G is a monolithic integrated low-drop voltage regulator in the very small SMD package SCT-595. 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 over load, 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 = 3.0 V (V30 version) 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. The power fail output (open collector) is switched to low in case of undervoltage overload or saturation of the output transistor. Data Sheet Rev. 1.0 1 2002-02-13 TLE 4295 PF GND 1 5 2 3 4 AEP02661 GND Q Figure 1 Pin Configuration (top view) Pin Definitions and Functions Pin No. 1 2 3 4 5 Symbol PF GND I Q GND Function Power Fail; L for under-voltage Ground; connected to pin 5 Input voltage Output voltage; must be blocked by a capacitor CQ 2.2 mF, ESR 5 W to GND Ground; connected to pin 2 Data Sheet Rev. 1.0 2 2002-02-13 TLE 4295 Temperature Control Saturation Control and Protection Circuit 4 Q 3 Band-Gap Referenz _ + 1 PF 2, 5 GND AEB02662 Figure 2 Block Diagram Data Sheet Rev. 1.0 3 2002-02-13 TLE 4295 Absolute Maximum Ratings - 40 C < Tj < 150 C Parameter Symbol Limit Values min. Input Voltage Current Output Voltage Current Power Fail Voltage Current Temperatures Junction temperature Storage temperature Thermal Resistances Junction pin Junction ambient 1) Unit Remarks max. VI II - 42 - 45 - V mA - internally limited VQ IQ -6 - 30 - V mA - internally limited VPF IPF - 0.3 - 500 45 * V - * internally limited mA Tj Tstg - 40 - 50 150 150 C C - - 1) Rthj-pin Rthja - - 30 179 K/W K/W measured to pin 5 zero airflow zero heat sink area 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 Rev. 1.0 4 2002-02-13 TLE 4295 Operating Range Parameter Input voltage Output current Junction temperature Symbol Limit Values min. max. 45 - 150 V mA - internally limited - Unit Remarks VI IQ Tj VQ,nom + 0.5 V - - 40 C Data Sheet Rev. 1.0 5 2002-02-13 TLE 4295 Electrical Characteristics VI = 13.5 V; - 40 C < Tj < 150 C; unless otherwise specified Parameter Symbol Limit Values min. Output Output voltage V30 version Output voltage V30 version Output voltage V33 version Output voltage V33 version Output voltage V50 version Output voltage V50 version Output current limitation Drop voltage Output capacitor typ. max. Unit Test Condition VQ VQ VQ VQ VQ VQ IQ Vdr CQ 2.88 2.88 3.17 3.17 4.80 4.80 30 - 2.2 3.0 3.0 3.30 3.30 5.00 5.00 - 0.25 - 3.12 3.12 3.43 3.43 5.20 5.20 - 0.40 - V V V V V V mA V 1 mA < IQ < 30 mA VI = 13.5 V IQ = 10 mA 4 V < VI < 40 V 1 mA < IQ < 30 mA VI = 13.5 V 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) IQ = 20 mA 1) ESR 5 W at 10 kHz mF Current Consumption Current consumption Iq = II - IQ Current consumption Iq = II - IQ Iq Iq - - 2 120 4 200 mA IQ < 30 mA IQ < 1 mA mA Data Sheet Rev. 1.0 6 2002-02-13 TLE 4295 Electrical Characteristics (cont'd) VI = 13.5 V; - 40 C < Tj < 150 C; unless otherwise specified Parameter Symbol Limit Values min. Regulator Performance Load regulation Load regulation Line regulation |,VQ| |,VQ| |,VQ| - - - 10 10 5 25 30 25 mV mV mV 1 mA < IQ < 25 mA; typ. max. Unit Test Condition Line regulation Power-Supply-RippleRejection Power Fail Output Power fail threshold |,VQ| PSRR - - 10 60 30 - mV dB Tj = 25 C 1 mA < IQ < 25 mA ,VI = VQ,nom + 0.5 V to 36 V; IQ = 5 mA; Tj = 25 C ,VI = VQ,nom+ 0.5 V to 36 V; IQ = 5 mA fr = 100 Hz; Vr = 0.5 VSS VQPF - - - 4.86 3.20 2.91 140 100 90 150 100 - - - 300 200 180 300 130 V V V mV mV mV mV kW TLE 4295GV50 TLE 4295GV33 TLE 4295GV30 TLE 4295GV50 TLE 4295GV33 TLE 4295GV30 Power Fail Headroom VQnomVQPF 50 33 30 Power fail low voltage Pull up resistor 1) VPFL RPF - 70 IPF = 0.1 mA internal connected to VQ Measured when the output voltage VQ has dropped 100 mV from the nominal value. Data Sheet Rev. 1.0 7 2002-02-13 TLE 4295 V Q, nom +0.5 V to 45 V 3 4 Q CQ 2.2 F 3.0 V/3.3 V/5.0 V C 100 nF TLE 4295G PF 2, 5 GND 1 Power Fail AES02663 Figure 3 Application Circuit Data Sheet Rev. 1.0 8 2002-02-13 TLE 4295 Package Outlines SCT-595 (Plastic Dual Small Outline) B 1.2 +0.1 -0.05 2.9 0.2 (2.2) (0.3) 1.1 max 0.1 max (0.4) 1) 2.6 max 0.25 min 5 4 (0.13) 1 0.6 +0.1 -0.05 2 3 0.3 +0.1 -0.05 0.95 0.15 +0.1 -0.06 0.20 1) M A 1.9 0.25 M B Contour of slot depends on profile of gull-wing lead form Sorts of Packing Package outlines for tubes, trays etc. are contained in our Data Book "Package Information". SMD = Surface Mounted Device Data Sheet Rev. 1.0 9 10max 1.6 0.1 A (0.23) +0.2 acc. to DIN 6784 1) 10max Dimensions in mm 2002-02-13 TLE 4295 Edition 2002-02-13 Published by Infineon Technologies AG, St.-Martin-Strasse 53, D-81541 Munchen, Germany (c) Infineon Technologies AG 2002. All Rights Reserved. Attention please! The information herein is given to describe certain components and shall not be considered as warranted characteristics. Terms of delivery and rights to technical change reserved. We hereby disclaim any and all warranties, including but not limited to warranties of noninfringement, regarding circuits, descriptions and charts stated herein. Infineon Technologies is an approved CECC manufacturer. Information For further information on technology, delivery terms and conditions and prices please contact your nearest Infineon Technologies Office in Germany or our Infineon Technologies Representatives worldwide (see address list). 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. Data Sheet Rev. 1.0 10 2002-02-13 |
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