TLE 8386EL Infineon Technologies, TLE 8386EL Datasheet
TLE 8386EL
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TLE 8386EL Summary of contents
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Smart Boost Controller Rev. 1.0, 2009-11- ...
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Table of Contents 1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
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Smart Boost Controller 1 Overview Features • Wide Input Voltage Range from 4. • Constant Current or Constant Voltage Regulation • Very Low Shutdown Current: IQ< 10 µA • Flexible Switching Frequency Range, 100 kHz to ...
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Block Diagram IN 14 On/Off EN 13 Logic FREQ/ Oscillator 11 SYNC Diagnostics ST 10 Logic COMP 8 Figure 1 Block Diagram Datasheet LDO Internal Supply EN_INT Soft Start PWM Generator Slope Comp. Thermal Protection Open Load Detection 12 ...
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Pin Configuration 3.1 Pin Assignment Figure 2 Pin Configuration 3.2 Pin Definitions and Functions Pin Symbol Function 1 IVCC Internal LDO Output; Used for internal biasing and gate drive. Bypass with external capacitor. Do not leave pin IVCC open. ...
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Pin Symbol Function 9 OVFB Output Overvoltage Protection Feedback; Connect to resistive voltage divider to set overvoltage threshold Status Output; Open drain diagnostic output to indicate fault condition. Connect pull up resistor to pin. 11 FREQ / SYNC ...
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General Product Characteristics 4.1 Absolute Maximum Ratings 1) Absolute Maximum Ratings +150 C; all voltages with respect to ground, positive current flowing into pin j (unless otherwise specified) Pos. Parameter Voltages 4.1.1 IN Supply ...
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Absolute Maximum Ratings +150 C; all voltages with respect to ground, positive current flowing into pin j (unless otherwise specified) Pos. Parameter ESD Susceptibility 4.1.23 ESD Resistivity to GND 4.1.24 ESD Resistivity to GND ...
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Boost Regulator 5.1 Description The TLE8386EL boost (step-up) regulator provides a higher output voltage than input voltage. The boost regulator function is implemented by a pulse width modulated (PWM) current mode controller. The PWM current mode controller uses the ...
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Electrical Characteristics 40V; 4.5V 40V, 4.5V IN FBH positive current flowing into pin; (unless otherwise specified) Pos. Parameter Boost Regulator: 5.2.1 Feedback Reference Voltage 5.2.2 Voltage Line Regulation 5.2.3 Voltage Load Regulation 5.2.4 ...
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Oscillator and Synchronization 6.1 Description R_OSC vs. switching frequency The internal oscillator is used to determine the switching frequency of the boost regulator. The switching frequency can be selected from 100 kHz to 500 kHz with an external resistor ...
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Electrical Characteristics 40V; 4.5V 40V, 4.5V IN FBH positive current flowing into pin; (unless otherwise specified) Pos. Parameter Oscillator: 6.2.1 Oscillator Frequency 6.2.2 Oscillator Frequency Adjustment Range 6.2.3 FREQ / SYNC Supply Current 6.2.4 ...
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Typical Performance Characteristics of Oscillator f Switching Frequency versus SW Frequency Select Resistor to GND 600 500 400 °C j 300 200 100 [kohm] FREQ/SYNC Datasheet R FREQ/SYNC 60 ...
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Enable Function 7.1 Description The enable function powers on or off the device. A valid logic low signal on enable pin EN powers off the device and current consumption is less than 10 µA. A valid logic high enable ...
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Electrical Characteristics 40V; 4.5V 40V, 4.5V IN FBH positive current flowing into pin; (unless otherwise specified) Pos. Parameter Enable Input: 7.2.1 Enable Turn On Threshold 7.2.2 Enable Turn Off Threshold 7.2.3 Enable Hysteresis 7.2.4 ...
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Linear Regulator 8.1 Description The internal linear voltage regulator supplies the internal gate drivers with a typical voltage and current mA. An external output capacitor with low ESR is required on pin IVCC ...
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Protection and Diagnostic Functions 9.1 Description The TLE8386EL has integrated circuits to diagnose and protect against output overvoltage, open load, open feedback and overtemperature faults. In case any of the four fault conditions occur the Status output ST will ...
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Figure 10 Open Load and Open Feedback Conditions Datasheet Protection and Diagnostic Functions 18 TLE8386EL Rev. 1.0, 2009-11-30 ...
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Figure 11 Status Output Timing Diagram Datasheet Protection and Diagnostic Functions 19 TLE8386EL Rev. 1.0, 2009-11-30 ...
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Electrical Characteristics 40V; 4.5V 40V, 4.5V IN FBH positive current flowing into pin; (unless otherwise specified) Pos. Parameter Status Output: 9.2.1 Status Output Voltage Low 9.2.2 Status Sink Current Limit 9.2.3 Status Output Current ...
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Package Outlines 0.65 2) 0.25 ±0.05 0. 4.9 ±0.1 Index Marking 1) Does not include plastic or metal protrusion of 0.15 max. per side 2) Does not include dambar protrusion Figure 12 PG-SSOP-14 ...
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Application Information Note: The following information is given as a hint for the implementation of the device only and shall not be regarded as a description or warranty of a certain functionality, condition or quality of the device. Figure ...
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BATT Microcontroller (e 2000) Input Output Output C COMP R R FREQ COMP Figure 15 Boost Voltage Application Circuit (Current Source) Datasheet TLE ...
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Further Application Information In fixed frequency mode where an external resistor configures the switching frequency the minimum boost inductor is given by the formula inFigure • Minimum Inductacne Required During Fixed Frequency Operation MIN • ...
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Revision History Revision Date Changes 1.0 2009-11-30 Initial datasheet Datasheet 25 TLE8386EL Revision History Rev. 1.0, 2009-11-30 ...
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... Infineon Technologies Office. Infineon Technologies components may be used in life-support devices or systems only 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 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 ...