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| IFX2931 Low Dropout Linear Voltage Regulator IFX2931GV50 IFX2931GV33 Data Sheet Rev. 1.12, 2010-02-23 Standard Power Low Dropout Linear Voltage Regulator IFX2931 1 Features * * * * * * * * * Overview Very Low Quiescent Current Output Current in Excess of 100mA Input-Output Differential Less than 0.6V for 5V-Version Reverse Battery Protection Output Current Limitation Overtemperature Shutdown Mirror-Image Insertion Protection Needs only small Output Capacitor COUT = 10 F Green Product (RoHS compliant) PG-DSO-8 For automotive and transportation applications, please refer to the Infineon TLE and TLF voltage regulator series. General Description The IFX2931 is a positive voltage regulator with a very low quiescent current of 1mA or less when supplying 10mA loads. The IFX2931GV50 also offers an extremely low dropout voltage required for proper regulation: 0.2V for output currents of 10mA. Therefore the IFX2931 is the ideal supply for standby power systems. It is suitable for e.g. memory standby circuits, CMOS and other low power processor power supplies. It certainly can also be used for any system demanding as much as 100mA of output current. The IFX2931 is protected from reverse polarity condition and can withstand input voltages of 28 V continously. The IFX2931 cannot be harmed by temporary mirror-image insertion. Additional protection features such as output current limitation and overtemperature shutdown are also implemented. The IFX2931 comes in an 8-lead SMD package (PG-DSO-8). Type IFX2931GV50 IFX2931GV33 Data Sheet Package PG-DSO-8 PG-DSO-8 2 Marking IFX2931 2931V33 Rev. 1.12, 2010-02-23 IFX2931 Block Diagram 2 Block Diagram Temperature Sensor Saturation Control and Protection Circuit 1 Control Amplifier Input 8 Output Buffer Adjustment Bandgap Reference 2,3,6,7 GND AEB01527 Figure 1 Block Diagram Data Sheet 3 Rev. 1.12, 2010-02-23 IFX2931 Pin Configuration 3 3.1 Pin Configuration Pin Assignment PG-DSO-8 OUT GND GND n.c. 1 2 3 4 8 7 6 5 PINCONFIG_DSO-8.VSD IN GND GND n.c. Figure 2 Pin Configuration 3.2 Pin 1 Pin Definitions and Functions IFX2931GV50, IFX2931GV33 (PG-DSO-8) Symbol OUT Function Output block to GND with a capacitor close to the IC terminals, respecting the values given for its capacitance COUT and ESR in "Typical Performance Characteristics" on Page 9 Ground not connected Input for compensating line influences, a capacitor to GND close to the IC terminals is recommended 2,3,6,7 4,5 8 GND n.c. IN Data Sheet 4 Rev. 1.12, 2010-02-23 IFX2931 General Product Characteristics 4 4.1 General Product Characteristics Absolute Maximum Ratings Absolute Maximum Ratings 1) Tj = -40 C to 125 C; all voltages with respect to ground, positive current flowing into pin (unless otherwise specified) Pos. Input 4.1.1 Output 4.1.2 4.1.3 4.1.4 4.1.5 Voltage Junction Temperature Storage Temperature ESD Resistivity to GND Voltage Parameter Symbol Limit Values Min. Max. 28 28 125 150 2 V V C C kV - - - - HBM2) Unit Conditions VI VOUT Tj Tstg VESD -30 -0.3 -40 -55 -2 Temperatures ESD Susceptibility 1) Not subject to production test, specified by design. 2) ESD susceptibility, HBM according to EIA/JESD 22-A114B Note: Stresses above the ones listed here may cause permanent damage to the device. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. Note: Integrated protection functions are designed to prevent IC destruction under fault conditions described in the data sheet. Fault conditions are considered as "outside" normal operating range. Protection functions are not designed for continuous repetitive operation. 4.2 Pos. 4.2.1 4.2.2 4.2.3 Functional Range Parameter Input Voltage Junction Temperature Symbol Min. Limit Values Max. 28 26 125 V V C IFX2931GV50 IFX2931GV33 - 6 4.4 -40 Unit Conditions VI Tj Note: Within the functional range the IC operates as described in the circuit description. The electrical characteristics are specified within the conditions given in the related electrical characteristics table. Data Sheet 5 Rev. 1.12, 2010-02-23 IFX2931 General Product Characteristics 4.3 Pos. Thermal Resistance Parameter Symbol Min. Limit Values Typ. 39 96 67 66 Max. - - - - K/W K/W K/W K/W measured to group of pins 2, 3, 6, 7 Footprint only2) 300mm2 heatsink area on PCB2) 600mm2 heatsink area on PCB2) Unit Conditions IFX2931GV50, IFX2931GV33 (PG-DSO-8) 4.3.1 4.3.2 4.3.3 4.3.4 Junction to Soldering Point1) Junction to Ambient1) RthJSP RthJA - - - - 1) not subject to production test, specified by design 2) Specified RthJA value is according to Jedec JESD51-2,-7 at natural convection on FR4 2s2p board; The Product (Chip+Package) was simulated on a 76.2 x 114.3 x 1.5 mm board with 2 inner copper layers (2 x 70m Cu, 2 x 35m Cu). Data Sheet 6 Rev. 1.12, 2010-02-23 IFX2931 Electrical Characteristics 5 5.1 Electrical Characteristics Electrical Characteristics IFX2931GV50 Electrical Characteristics VI = 14 V, Tj = -40 C to 125 C, IOUT = 10 mA, all voltages with respect to ground, positive current flowing into pin (unless otherwise specified) Pos. 5.1.1 5.1.2 5.1.3 5.1.4 5.1.5 Load Regulation Output Impedance 1) Parameter Output Voltage Line Regulation Symbol Min. Limit Values Typ. 5 5 2 4 -14 200 Max. 5.25 5.5 10 30 -50 - 4.75 4.5 - - - - Unit V V mV mV mV m Conditions VOUT VOUT,line VOUT,load Tj = 25 C - 9 V < VI < 16 V 6 V < VI < 26 V 5 mA < IOUT < 100 mA ZOUT IOUT = 100 mADC and IOUT = 10 mArms 100 Hz - 10 kHz 5.1.6 5.1.7 5.1.8 5.1.9 5.1.10 5.1.11 5.1.12 Current Consumption Iq - - 0.4 9 500 20 80 0.05 0.3 1 15 - - - 0.2 0.6 mA mA Vrms IOUT = 10 mA 6 V < VI < 26 V IOUT = 100 mA 100 Hz - 10 kHz COUT = 100 F Output Noise Voltage1) Long Term Stability1) Ripple Rejection1) Dropout Voltage VI - VOUT 2) Vnoise - VOUT,1000h - mV - /1000h dB V V PSRR VDR - - - fripple = 120 Hz IOUT = 10 mA IOUT = 100 mA 1) not subject to production test, specified by design 2) obtained when the output voltage has dropped 100mV below the nominal value Data Sheet 7 Rev. 1.12, 2010-02-23 IFX2931 Electrical Characteristics 5.2 Electrical Characteristics IFX2931GV33 Electrical Characteristics VI = 14 V, Tj = -40 C to 125 C, IOUT = 10 mA, all voltages with respect to ground, positive current flowing into pin (unless otherwise specified) Pos. 5.2.1 Parameter Output Voltage Symbol Min. Limit Values Typ. 3.3 3.3 4 -10 200 Max. 3.465 3.63 33 -50 - V V mV mV m 3.135 2.97 5.2.2 5.2.3 5.2.4 Line Regulation Load Regulation Output Impedance1) VOUT,line VOUT,load - - - Unit Conditions VOUT ZOUT Tj = 25 C 4.4 V < VI < 26 V IOUT = 100 mA 4.4 V < VI < 26 V Tj = 25 C 5 mA < IOUT < 100 mA Tj = 25 C IOUT = 100 mADC and IOUT = 10 mArms 100 Hz - 10 kHz 5.2.5 5.2.6 5.2.7 5.2.8 5.2.9 5.2.10 Current Consumption Iq - - 0.4 15 330 13 80 0.85 1 - - - - 1.1 mA mA Vrms IOUT = 10 mA 4.4 V < VI < 26 V IOUT = 100 mA 10 Hz - 100 kHz COUT = 100 F Output Noise Voltage Long Term Stability1) Ripple Rejection1) Dropout Voltage VI - VOUT 2) 1) Vnoise - VOUT,1000h - mV - /1000h dB V PSRR VDR - - fripple = 120 Hz IOUT = 100 mA, Tj = 25 C 1) not subject to production test, specified by design 2) obtained when the output voltage has dropped 100mV below the nominal value Data Sheet 8 Rev. 1.12, 2010-02-23 IFX2931 Electrical Characteristics 5.3 Typical Performance Characteristics IFX2931GV50: Output Voltage VOUT versus Input Voltage VI AED01978 Dropout Voltage VDR versus Output Current IOUT 800 V DR mV 700 600 500 Tj = 125 C 6 VQ V 5 AED01984 R L = 50 4 400 300 3 2 200 Tj = 25 C 100 0 25 1 50 75 100 125 mA 175 0 0 2 4 6 8 V 10 V Q IFX2931GV33: Output Voltage VOUT versus Input Voltage VI 3,50 V33_IQ_VI.VSD Load Transient Response 60 40 LOADTRANSIENTRESPONSE.VSD V OUT [mV] OUT [mA] 3,00 I Q = 50 mA 20 0 -20 -40 -60 -80 160 140 120 100 80 60 40 20 0 C OUT = 100 F ESR(C OUT) = 0.4 2,50 I Q [mA] 2,00 1,50 1,00 0,50 0,00 0 2 4 6 8 10 -10 0 10 20 30 40 50 60 70 80 90 V I [V] t [s] Data Sheet 9 Rev. 1.12, 2010-02-23 IFX2931 Electrical Characteristics IFX2931GV50: Output Voltage VOUT versus Junction Temperature Tj 5.20 VQ V 5.10 Vi = 13.5 V 5.00 3,30 3,40 V I = 14 V IFX2931GV33: Output Voltage VOUT versus Junction Temperature Tj 3,50 V33_VQ_TJ.VSD AED01982 V Q [V] 4.90 3,20 4.80 3,10 4.70 3,00 2,90 4.60 -40 0 40 80 120 C 160 Tj -40 10 60 110 160 T j [C] Current Consumption Iq versus Low Output Current IOUT Output Current IOUT versus Input Voltage VI 200 AED01983 3.0 AED01981 Q mA q mA 2.5 150 Tj = 25 C 2.0 100 Tj = 125 C 1.5 1.0 50 0.5 Vi = 13.5 V 0 0 10 20 30 40 V 50 V 0 0 5 10 15 20 30 mA Q Data Sheet 10 Rev. 1.12, 2010-02-23 IFX2931 Electrical Characteristics Current Consumption Iq versus Output Current IOUT 12 AED01980 Current Consumption Iq versus Input Voltage VI 12 IQ_VI.VSD q mA 10 10 R L = 50 8 Vi = 13.5 V 6 8 I q [mA] 6 4 4 R L = 100 2 2 0 0 0 50 100 mA 150 0 10 20 30 40 Q V I [V] Data Sheet 11 Rev. 1.12, 2010-02-23 IFX2931 Electrical Characteristics Power Supply Ripple Rejection PSRR versus Frequency f 90,00 80,00 I OUT = 1 mA PSRR_F.VSD IFX2931GV50: Output Capacitor's Equivalent Series Resistance ESR(COUT) versus Output Current IOUT 10,00 9,00 8,00 C OUT = 10 F ESR_IOUT.VSD Unstable Region 70,00 60,00 I OUT = 10 mA 7,00 ) [] OUT PSRR [dB] 6,00 5,00 Stable Region 4,00 3,00 50,00 40,00 30,00 20,00 10,00 0,00 0,01 I OUT = 100 mA C OUT = 10 F ESR(C OUT ) = 0,02 ESR(C 2,00 1,00 0,00 0,1 1 10 100 0 20 40 60 80 100 f [kHz] IFX2931GV33: Output Capacitor's Equivalent Series Resistance ESR(COUT) versus Output Current IOUT 10,00 9,00 8,00 7,00 V33_ESR_IOUT.VSD I OUT [mA] Unstable Region ) [ ] OUT 6,00 5,00 4,00 3,00 Stable Region 2,00 1,00 0,00 0 20 40 60 80 100 C OUT = 10 F ESR(C I OUT [mA] Data Sheet 12 Rev. 1.12, 2010-02-23 IFX2931 Package Outlines 6 Package Outlines 0.35 x 45 1.75 MAX. 0.175 0.07 (1.45) 4 -0.21) 0.19 +0.06 C 1.27 0.41+0.1 2) -0.06 0.2 M 0.1 A B 8x B 6 0.2 0.64 0.25 0.2 M 8 MAX. C 8x GPS01181 8 5 1 4 5 -0.2 1) Index Marking A 1) Does not include plastic or metal protrusion of 0.15 max. per side 2) Lead width can be 0.61 max. in dambar area Figure 3 PG-DSO-8 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. Data Sheet 13 Dimensions in mm Rev. 1.12, 2010-02-23 IFX2931 Revision History 7 Revision 1.12 1.11 1.1 Revision History Date 2010-02-23 2009-10-19 2009-05-04 Changes Editorial change Coverpage changed Overview page: Inserted reference statement to TLE/TLF series. Version with 3.3V output voltage and all related description added Form Page 2 on on top right "IFX2931GV50" updated to "IFX2931" In "Features" on Page 2 "Input-Output Differential Less than 0.6V" updated to "Input-Output Differential Less than 0.6V for 5V-Version" In "General Description" on Page 2, all "IFX2931GV50" replaced by "IFX2931"; in line 2, "It" replaced by "The IFX2931GV50"; In "Pin Configuration" on Page 4 ", IFX2931GV33" added In "Functional Range" on Page 5 Item 4.2.2 added, in Item 4.2.1's Condition "IFX2931GV50" added In Table 4.3 "Thermal Resistance" on Page 6 ", IFX2931GV33" added "Electrical Characteristics IFX2931GV50" on Page 7 updated: "IFX2931GV50" added in this heading Table 5.2 "Electrical Characteristics IFX2931GV33" on Page 8 added In "Typical Performance Characteristics" on Page 9 performance characteristics "IFX2931GV33: Output Voltage VOUT versus Input Voltage VI" on Page 9, "IFX2931GV33: Output Voltage VOUT versus Junction Temperature Tj" on Page 10 and "IFX2931GV33: Output Capacitor's Equivalent Series Resistance ESR(COUT) versus Output Current IOUT" on Page 12 added; "IFX2931GV50" added in description of performance characteristics "IFX2931GV50: Output Voltage VOUT versus Input Voltage VI" on Page 9, "IFX2931GV50: Output Voltage VOUT versus Junction Temperature Tj" on Page 10 and "IFX2931GV50: Output Capacitor's Equivalent Series Resistance ESR(COUT) versus Output Current IOUT" on Page 12 1.0 2008-04-21 final version data sheet Data Sheet 14 Rev. 1.12, 2010-02-23 Edition 2010-02-23 Published by Infineon Technologies AG 81726 Munich, Germany (c) 2010 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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