TLE 8386-2EL Infineon Technologies, TLE 8386-2EL Datasheet
TLE 8386-2EL
Specifications of TLE 8386-2EL
Related parts for TLE 8386-2EL
TLE 8386-2EL Summary of contents
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Basic Smart Boost Controller Rev. 1.0, 2010-10- ...
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Table of Contents 1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
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Basic Smart Boost Controller 1 Overview Features • Wide Input Voltage Range from 4. • Constant Current or Constant Voltage Regulation • Very Low Shutdown Current: Iq< 2µA • Flexible Switching Frequency Range, 100 kHz to ...
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Block Diagram IN 14 On/Off EN 13 Logic Oscillator FREQ 11 Synchroni sation SYNC 10 SST 5 Soft Start COMP 8 TLE8386-2EL Figure 1 Block Diagram Data Sheet LDO Internal Supply EN_INT PWM Generator Slope Comp. Thermal Protection Feedback ...
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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. Do not leave open, bypass with external capacitor. Do not ...
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Pin Symbol Function 9 NC Not Connected; 10 SYNC Sync; Synchronization Input, if feature synchronization is not used, leave open. 11 FREQ Frequency Select Input; Connect external resistor to GND to set frequency, do not leave open. 12 GND Ground; ...
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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 4.1.22 ESD Resistivity to GND 4.1.23 ESD Resistivity to GND ...
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Boost Regulator 5.1 Description The TLE8386-2 boost (step-up) regulator provides a higher output voltage than input voltage. The PWM controller measures the output voltage via a resistor divider connected between Pin FB and ground, and determines the appropriate pulse ...
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Electrical Characteristics 40V +150 C, all voltages with respect to ground, positive current flowing into pin; (unless IN j otherwise specified) Pos. Parameter Boost Regulator: 5.2.1 Feedback Reference Voltage ...
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Efficiency depending on Input Voltage V and output Current I IN Data Sheet BO 11 TLE8386-2EL Boost Regulator Rev. 1.0, 2010-10-25 ...
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Load regulation Input Voltage Load regulation Input Voltage V = 19V IN Data Sheet Load regulation Input Voltage TLE8386-2EL Boost Regulator Rev. 1.0, 2010-10-25 ...
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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 700 kHz with an external resistor ...
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Electrical Characteristics 40V +150 C, all voltages with respect to ground, positive current flowing into pin; (unless IN j otherwise specified) Pos. Parameter Oscillator: 6.2.1 Oscillator Frequency 6.2.2 Oscillator Frequency ...
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Typical Performance Characteristics of Oscillator f Switching Frequency versus SW Frequency Select Resistor to GND 700 600 500 400 = 25 ° 300 200 100 [kohm] FREQ Data Sheet R FREQ ...
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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 2 µA. A valid logic high enable ...
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Electrical Characteristics 40V +150 C, all voltages with respect to ground, positive current flowing into pin; (unless IN j otherwise specified) Pos. Parameter Enable Input: 7.2.1 Enable Turn On Threshold ...
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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 TLE8386-2EL has integrated circuits to protect against output overvoltage, open feedback and overtemperature faults. During an overvoltage the gate driver outputs SWO will turn off. In the event of an overtemperature condition ...
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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. 10.1 ...
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Principle: The TLE8386-2EL can be configured as a boost converter, where the desired output voltage V than the input voltage boost convertor is not short-circuit protected. If the output voltage V IN output current will only ...
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Component Selection: Power MOSFET selection: The important parameters for the choice of the power MOSFET are: • Drain-source voltage rating forward voltage. During its off-time additional ringing across drain-to-source will occur. BOOST • On-resistance R for ...
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Current sense resistor R selection: CS For control and protection, the TLE8386-2EL measures the power MOSFET current by a current sense resistor R , which is located between the power MOSFET source and ground. For proper function it is very ...
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The value of the sense resistor R • peak current through the boost inductor L BOOSTPEAK Boost inductor L selection: BOOST The important parameters for selecting the boost inductor are: • Inductor L BOOST • Maximum RMS current ...
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In fixed frequency mode an external resistor determines the switching frequency. The minimum boost inductor for fixed frequency is given by the formula below: • minimum Inductance required (minimum value of L BOOSTMIN Following the previous equations the ...
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Output filter capacitor C selection: OUT Choosing the correct output capacitor for given output ripple voltage, the influence of • ESR = equivalent series resistance, • ESL = equivalent series inductance and • bulk capacitance have to be considered. The ...
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Input filter capacitor C selection: IN1 The input filter capacitor C has to compensate the alternate current content or current ripple on the input line, IN1 recommended values are from 10µF to 100µF, to improve the suppression of high frequent ...
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Further Information on TLE8386-2EL 10.2.1 General Layout recommendations Introduction: A boost converter is a potential source of electromagnetic disturbances which may affect the environment as well as the device itself and cause sporadic malfunction up to damages depending on ...
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Conducted disturbances: Conducted disturbances are voltage spikes or voltage oscillations, occurring permanently or by occasion mostly on the input or output connections. Comparable to the radiated electric fields they are caused by voltage oscillations occurring due to stray inductances and ...
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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 11 ...
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Revision History 1.0 Revision Date Changes 1.0 2010-10-25 Data Sheet Data Sheet 30 TLE8386-2EL Revision History Rev. 1.0, 2010-10-25 ...
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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 ...