IFX 91041EJV Infineon Technologies, IFX 91041EJV Datasheet

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1.8A DC/DC Step-Down Voltage Regulator 5.0V, 3.3V or Adjustable Output Voltage IFX91041EJV50 IFX91041EJV33 IFX91041EJV Rev. 1.1, 2011-07- ...

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DC/DC Step-Down Voltage Regulator 1 Overview • 1.8A step down voltage regulator • Output voltage versions: 5.0 V, 3.3 V and adjustable • ± 2% output voltage tolerance (+-4% for full load current range) • Integrated power transistor • ...

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Block Diagram COMP SYNC Figure 1 Block Diagram Data Sheet EN 7 Enable Charge Pump Over Temperature Shutdown Feedforward Buck 3 Converter Oscillator 1 Bandgap Soft start ramp Reference generator IFX91041 2 GND 3 IFX91041 Block Diagram VS 8 ...

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Pin Configuration 3.1 Pin Assignment SYNC GND COMP Figure 2 Pin Configuration 3.2 Pin Definitions and Functions Pin Symbol Function 1 SYNC Synchronization Input. Connect to an external clock signal in order to synchronize/adjust the switching frequency. If not ...

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General Product Characteristics 4.1 Absolute Maximum Ratings 1) Absolute Maximum Ratings T = -40 °C to +125°C; all voltages with respect to ground (unless otherwise specified) j Pos. Parameter Voltages 4.1.1 Synchronization Input 4.1.2 Compensation Input 4.1.3 4.1.4 Feedback ...

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Functional Range Pos. Parameter 4.2.1 Supply Voltage 4.2.2 Output Voltage adjust range 4.2.3 Buck inductor 4.2.4 Buck capacitor 4.2.5 Buck capacitor ESR 4.2.6 Junction Temperature 1) See section ““Application Information” on Page Note: Within the functional range the IC ...

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Buck Regulator 5.1 Description The gate of the power switch is driven by the external capacitor connected to pin BDS (Buck Driver Supply) using the bootstrap principle. An integrated under voltage lockout function supervising the ’bootstrap’ capacitor voltage ensures ...

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Electrical Characteristics Electrical Characteristics: Buck Regulator 6 -40 °C to +125°C, all voltages with respect to ground (unless otherwise specified Pos. Parameter 5.2.1 Output voltage 5.2.2 5.2.3 Output voltage ...

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Electrical Characteristics: Buck Regulator 6 -40 °C to +125°C, all voltages with respect to ground (unless otherwise specified Pos. Parameter 5.2.19 Charge pump switch-off threshold 5.2.20 Maximum duty cycle 5.2.21 ...

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Module Enable and Thermal Shutdown 6.1 Description With the enable pin the device can be set in off-state reducing the current consumption to less than 2µA. The enable function features an integrated pull down resistor which ensures that the ...

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Module Oscillator 7.1 Description The oscillator turns on the power switch with a constant frequency while the buck regulating circuit turns the power transistor off in every cycle with an appropriate time gap depending on the output and input ...

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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. 8.1 ...

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IFX91041EJV50, IFX91041EJV33 with fixed Output Voltage Batt Ignition Key Terminal 15 7 Enable Over Temperature Shutdown Feedforward COMP 3 Converter C COMP SYNC Oscillator 1 R COMP Bandgap Reference Figure 5 Application Diagram IFX91041EJV50 or IFX91041EJV33 ...

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Adjustable Output Voltage Device Batt Ignition Key Terminal 15 Biasing & Enable Temperature Shutdown COMP 3 C COMP SYNC Oscillator 1 R COMP Bandgap Reference Figure 6 Application Diagram IFX91041EJV Note: This is a very simplified ...

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Package Outlines 8˚ MAX. 1.27 2) 0.41 ±0. 4.9 Index Marking 1) Does not include plastic or metal protrusion of 0.15 max. per side 2) Lead width can be 0.61 max. in dambar area 3) JEDEC reference ...

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Revision History Rev.1.1 2011-07-08 Adjustment of Junction Temperature Range in (4.2.6) the conditions used in the Rev.1.02 2010-02-23 Editorial change Rev.1.01 2009-10-19 Overview page: Inserted reference statement to TLE/TLF series. Rev.1.0 2009-05-04 Final data sheet Data Sheet “Functional Range” ...

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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 ...