Datasheet

ManualsBrandsINFINEON TECHNOLOGIES ManualsVoltage RegulatorsIFX2931G V50

Standard Power

Data Sheet

Rev. 1.13, 2011-02-10

IFX2931

Low Dropout Linear Voltage Regulator

IFX2931GV50

IFX2931GV33

Summary of content (15 pages)

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IFX2931 Low Dropout Linear Voltage Regulator IFX2931GV50 IFX2931GV33 Data Sheet Rev. 1.
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Low Dropout Linear Voltage Regulator 1 IFX2931 Overview Features • • • • • • • • • Very Low Quiescent Current Output Current in Excess of 100mA Input-Output Differential Less than 0.
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IFX2931 Block Diagram 2 Block Diagram Saturation Control and Protection Circuit Temperature Sensor Input 8 1 Control Amplifier Adjustment Output Buffer Bandgap Reference 2,3,6,7 GND AEB01527 Figure 1 Data Sheet Block Diagram 3 Rev. 1.
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IFX2931 Pin Configuration 3 Pin Configuration 3.1 Pin Assignment PG-DSO-8 OUT GND GND n.c. 1 2 3 4 8 IN 7 6 5 GND GND n.c. PINCONFIG_DSO-8.VSD Figure 2 Pin Configuration 3.2 Pin Definitions and Functions IFX2931GV50, IFX2931GV33 (PG-DSO-8) Pin Symbol Function 1 OUT 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 2,3,6,7 GND Ground 4,5 n.c.
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IFX2931 General Product Characteristics 4 General Product Characteristics 4.1 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. Parameter Symbol Limit Values Min. Max. Unit Conditions Input 4.1.1 Voltage VI -30 28 V – Voltage VOUT -0.3 28 V – Tj Tstg -40 125 C – -55 150 C – VESD -2 2 kV HBM2) Output 4.1.2 Temperatures 4.1.
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IFX2931 General Product Characteristics 4.3 Pos. Thermal Resistance Parameter Symbol Limit Values Min. Typ. Max. Unit Conditions IFX2931GV50, IFX2931GV33 (PG-DSO-8) 4.3.1 Junction to Soldering Point1) RthJSP – 39 – K/W measured to group of pins 2, 3, 6, 7 4.3.2 Junction to Ambient1) RthJA – 96 – K/W Footprint only2) 4.3.3 – 67 – K/W 300mm2 heatsink area on PCB2) 4.3.
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IFX2931 Electrical Characteristics 5 Electrical Characteristics 5.1 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. Parameter Symbol 5.1.1 Output Voltage VOUT 5.1.2 Line Regulation VOUT,line Load Regulation 1) Min. Typ. Max. 4.75 5 5.25 Unit Conditions V Tj = 25 °C 4.5 5 5.
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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. Parameter Symbol 5.2.1 Output Voltage VOUT Limit Values Unit Conditions 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 Min. Typ. Max. 3.135 3.
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IFX2931 Electrical Characteristics 5.3 Typical Performance Characteristics Dropout Voltage VDR versus Output Current IOUT IFX2931GV50: Output Voltage VOUT versus Input Voltage VI AED01978 800 V DR mV 700 AED01984 6 VQ V R L = 50 Ω 5 600 4 500 Tj = 125 C 400 3 300 2 200 Tj = 25 C 1 100 0 25 50 75 100 125 mA 0 175 0 2 4 6 ΙQ Load Transient Response V OUT [mV] 40 IQ = mA 50 C OUT = 100 µF ESR(C OUT) = 0.
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IFX2931 Electrical Characteristics IFX2931GV50: Output Voltage VOUT versus Junction Temperature Tj IFX2931GV33: Output Voltage VOUT versus Junction Temperature Tj AED01982 5.20 V33_VQ_TJ.VSD 3,50 V VQ 3,40 5.10 V I = 14 V Vi = 13.5 V 3,30 V Q [V] 5.00 4.90 3,20 3,10 4.80 3,00 4.70 2,90 4.60 -40 0 40 80 -40 120 C 160 Tj Output Current IOUT versus Input Voltage VI 10 60 110 160 T j [°C] Current Consumption Iq versus Low Output Current IOUT AED01983 200 AED01981 3.
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IFX2931 Electrical Characteristics Current Consumption Iq versus Output Current IOUT Current Consumption Iq versus Input Voltage VI AED01980 12 IQ_VI.VSD 12 Ι q mA 10 10 R I q [mA] Vi = 13.5 V 6 6 4 4 R L = 100  2 2 0 0 50 100 mA 0 150 ΙQ Data Sheet = 50  8 8 0 L 10 20 30 40 V I [V] 11 Rev. 1.
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IFX2931 Electrical Characteristics Power Supply Ripple Rejection PSRR versus Frequency f 90,00 IFX2931GV50: Output Capacitor’s Equivalent Series Resistance ESR(COUT) versus Output Current IOUT ESR_IOUT.VSD 10,00 PSRR_F.
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IFX2931 Package Outlines 6 Package Outlines 0.1 2) 0.41+0.1 -0.06 0.2 8 5 1 4 5 -0.2 1) M B 0.19 +0.06 C 8 MAX. 1.27 4 -0.21) 1.75 MAX. 0.175 ±0.07 (1.45) 0.35 x 45˚ 0.64 ±0.25 6 ±0.2 A B 8x 0.2 M C 8x A Index Marking 1) Does not include plastic or metal protrusion of 0.15 max. per side 2) Lead width can be 0.61 max.
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IFX2931 Revision History 7 Revision History Revision Date Changes 1.13 2011-02-10 Editorial change on page 9 (Typo) 1.12 2010-02-23 Editorial change 1.11 2009-10-19 Coverpage changed Overview page: Inserted reference statement to TLE/TLF series. 1.1 2009-05-04 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.
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Edition 2011-02-10 Published by Infineon Technologies AG 81726 Munich, Germany © 2011 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.