tle7469 Infineon Technologies Corporation, tle7469 Datasheet
tle7469
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tle7469 Summary of contents
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Dual Low Drop Voltage Regulator Features • Dual output 2%), 215mA and 2 2%), 215mA and 3 3%), 200mA • Ultra low quiescent current consumption < • Inhibit function ...
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The voltage regulator features an integrated reset circuitry which monitors the 2.6 V/ 3.3 V supply voltage. At power on the reset checks both supply voltages and performs the power-on reset with an adjustable delay time. The voltage difference is ...
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I2 Bandgap Reference Charge Pump INH Inhibit 1 I1 Charge Pump Figure 1 Block Diagram Data Sheet TLE 7469 Overtemperature Shutdown 1 Overtemperature Shutdown 1 GND 11 3 TLE 7469 Reset 9 Generator ...
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Figure 2 Pin Configuration (top view) Table 1 Pin Definitions and Functions Pin No. Symb. Function 1 I1 Input voltage 1; block to ground directly at the IC with a 100 nF ceramic capacitor 2 INH Inhibit Input; low ...
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Table 2 Absolute Maximum Ratings T -40 C < < 150 C j Parameter Input I1 Voltage Current Input I2 Voltage Current Output Q1 Voltage Voltage Current Output Q2 Voltage Voltage Current Inhibit Input INH Voltage Current Reset Output RO ...
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Table 2 Absolute Maximum Ratings (cont’d) T -40 C < < 150 C j Parameter Watchdog Input WDI Voltage Voltage Current Sense Input SI Voltage Current Sense Output SO Voltage Voltage Current Temperatures Junction temperature Storage temperature 1) Exposure to ...
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Table 3 Operating Range Parameter Input voltage Input voltage Input voltage Junction temperature Thermal Resistances PG-DSO-12 Junction case Junction ambient Junction ambient Junction ambient 1) Package mounted on PCB 80 Note: In the operating range the functions given in the ...
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Table 4 Electrical Characteristics 13 13.5 V; -40 C < Parameter Symbol Output Q1 V Output voltage Q1 I Output current Q1 limitation V Output drop voltage; DRQ1 ...
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Table 4 Electrical Characteristics (cont’ 13 13.5 V; -40 C < Parameter Symbol Current Consumption I Quiescent current ...
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Table 4 Electrical Characteristics (cont’ 13 13.5 V; -40 C < Parameter Symbol t Closed window time CW t Window watchdog WD trigger time Reset Output RO V Reset switching RT2 threshold 2 ...
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Table 4 Electrical Characteristics (cont’ 13 13.5 V; -40 C < Parameter Symbol Input Voltage Sense V Sense threshold high SIH V Sense threshold low SIL V Sense output low SOL voltage R ...
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Application Information Bat 47 100 nF µF 100 Ignition Key 100 nF = Optional Figure 3 Application Diagram with Typical External Components A typical application of the TLE 7469 is shown in loop ...
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... ESR = ESR During design-in of the TLE7469 product family, special care needs to be taken with regards to the regulators reaction time to sudden load current changes starting from very low pre-load as well as cyclic load changes. The application note “TLE7x Voltage Regulators - Application Note about Transient Response at ultra low quiescent current Voltage Regulators” ...
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The sense comparator output open collector. An appropriate external pull-up resistor is typ. 5.6 k … the minimum value of 5.6 k being defined by the max. sink current capability of the SO output ...
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Circuit Description Power On Reset In order to avoid any system failure, a sequence of several conditions has to be passed. V When the level of reaches the reset threshold Q2 for the Power-up reset delay time ...
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RT1 RT2 ROH V ROL Figure 5 Reset Function and Timing Diagram Watchdog Operation The watchdog uses a fraction of the charge pump oscillator’s clock signal as ...
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After the closed window the open window with the duration lasts at minimum until the trigger process has occurred, at maximum value with fast timing). A ...
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Vi/V VQ VRO Wnd Ingnore Wnd Don’t care WDI during IW WDI/V Figure 7 Window Watchdog Signal Flow Closed window Open window WDI WDI t ECW = Watchdog decoder sample point Figure 8 Window Watchdog Definitions ...
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Package Outlines 0.1 Index Marking 12x 0.4 0. Does not include plastic or metal protrusion of 0.15 max. per side Figure 9 PG-DSO-12 (Plastic Green Dual Small Outline) Green Product (RoHS compliant) To meet the ...
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Revision History Version Date Rev. 1.6 2008-01-22 Initial version of RoHS-compliant derivate of TLE 7469 Rev. 1.5 2007-05-07 Modifications according to PCN No. 2007-070-A Rev. 1.4 2005-07-15 Final Datasheet Data Sheet Changes Page 1: AEC certified statement added. Page 1 ...
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Edition 2008-01-22 Published by Infineon Technologies AG 81726 Munich, Germany © 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 ...