TLE 4473G V55-2 Infineon Technologies, TLE 4473G V55-2 Datasheet
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TLE 4473G V55-2
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TLE 4473G V55-2 Summary of contents
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Dual Low Dropout Voltage Regulator Features • Stand-by output 190 mA • Main output: 300 mA tracked to the stand-by output • Low quiescent current consumption • Disable function separately for both outputs • Wide operation ...
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The device features a reset with adjustable power on delay for each of the outputs. In addition the output for the microcontroller supply comes up with a watchdog in order to supervise a connected microcontroller Reset and Watchdog Behavior The ...
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DU2 V DL2 V RO2 DU2 DL2 T = WI, tr DD2 Figure 1 Watchdog Timing Schedule Data Sheet ) ( DU2 ...
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I V Bat itio µC ...
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Application Information The output voltage is divided by a voltage divider and compared to an internal reference voltage. A regulation loop controls the Q2 output in order to achieve a stable output voltage at the Q2 pin. A second regulation ...
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Table 1 Pin Definitions and Functions Pin No. Symbol Function 1 WI Watchdog input; input for watchdog pulses, positive edge triggered. 2 RO1 Reset and watchdog output for Q1; open collector output. Connect to pull-up resistor. 3 RO2 Reset output ...
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Table 2 Absolute Maximum Ratings T -40 C < < 150 C j Parameter Input I Voltage Current Stand-by Output Q2 Voltage Current Main Output Q1 Voltage Current Inhibit Input INH1 Voltage Current Inhibit Input INH2 Voltage Current Reset Output ...
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Table 2 Absolute Maximum Ratings (cont’d) T -40 C < < 150 C j Parameter Watchdog Input WI Voltage Current Temperatures Junction temperature Storage temperature Table 3 Operating Range Parameter Input voltage Junction temperature Thermal Resistances PG-DSO-12-11 Junction pin Junction ...
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Table 4 Electrical Characteristics 13 INH1 INH2 Parameter Symbol Stand-by Regulator Output Q2 V Output voltage Q2 I Output current Q2 limitation V Output drop voltage; DRQ2 DRQ1 ...
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Table 4 Electrical Characteristics (cont’ 13 INH1 INH2 Parameter Symbol Inhibit Input INH2 V Turn-on Voltage INH2 ON V Turn-off Voltage INH2 OFF I H-input current INH2 ON I L-input current INH2 OFF ...
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Table 4 Electrical Characteristics (cont’ 13 INH1 INH2 Parameter Symbol Main (Tracked) Regulator Output Q1 V Output voltage Q1 V Output voltage V tracking accuracy Q2 V Output voltage V tracking accuracy Q2 ...
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Table 4 Electrical Characteristics (cont’ 13 INH1 INH2 Parameter Symbol Reset Timing D1 I Charge current DC1 V Upper timing DU1 threshold V Lower timing DL2 threshold V Saturation Voltage D1,SAT T Reset ...
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Typical Performance Characteristics V Output Voltage versus Q2 V Input Voltage Load 7 V INH2 Reset Thresholds , RT1 T Junction ...
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INH1 Input Current versus Inhibit Voltage 8 µA I INH1 Data Sheet AED03350.VSD INH1 14 TLE 4473 GV55-2 Rev. 1.2, 2008-10-28 ...
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Package Outline 6.4 A (Mold +0.13 0.4 12 Index Marking 1 7.8 (Heatslug) GPS09349 1) Does not include plastic or metal protrusion of 0.15 max. per side Figure 4 PG-DSO-12-11 (Plastic Dual Small Outline) ...
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Revision History Version Date Changes Rev. 1.2 2008-10-28 Modification according to PCN No. 2007-117-A: • Rev. 1.1 2007-12-19 Modification according to PCN No. 2007-117-A: • Rev 1.0 2006-12-21 Initial version final datasheet Data Sheet “Watchdog and Reset Timing D2” on ...
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... Infineon Technologies Office. Infineon Technologies Components may only be used in life-support devices or systems with the express written approval of Infineon Technologies failure of such components can reasonably be expected to cause the failure of that life-support device or system affect the safety or effectiveness of that device or system. Life support devices or systems are intended to be implanted in the human body support and/or maintain and sustain and/or protect human life ...