ISL6269CRZ Intersil, ISL6269CRZ Datasheet
ISL6269CRZ
Specifications of ISL6269CRZ
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ISL6269CRZ Summary of contents
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... Applications • PCI express graphical processing unit • Auxiliary power rail • VRM • Network adapter Ordering Information PART NUMBER (Note) ISL6269CRZ* PVCC 12 ISL6269IRZ* LG *Add “-T” suffix for tape and reel. Please refer to TB347 for details on 11 reel specifications. PGND ...
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Block Diagram VIN GND PACKAGE BOTTOM VCC V REF EN − OVP + − UVP + + EA EA − FB COMP − ISEN OCP 30Ω PGOOD 5V LDO + − ...
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Typical Application R PGOOD R PVCC C C PVCC VCC R COMP C COMP1 C COMP2 R BOTTOM 3 ISL6269 ISL6269 PGOOD VIN PVCC UG VCC BOOT GND PHASE FCCM ISEN EN LG COMP PGND FB FSET VO R TOP ...
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... Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . .-65°C to +150°C Pb-Free Reflow Profile .see link below http://www.intersil.com/pbfree/Pb-FreeReflow.asp Recommended Operating Conditions Ambient Temperature Range ISL6269CRZ . . . . . . . . . . . . . . . . . . . . . . . . . . . .-10°C to +100°C ISL6269IRZ . . . . . . . . . . . . . . . . . . . . . . . . . . . . .-40°C to +100°C Supply Voltage (VIN to GND 25V PVCC to PGND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5V ±5% = -40°C to +100°C, unless otherwise stated. All typical specifications T ...
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Electrical Specifications These specifications apply for T PVCC = 5V, VIN = 15V. Parameters with MIN and/or MAX limits are 100% tested at +25°C, unless otherwise specified. Temperature limits established by characterization and are not production tested. (Continued) PARAMETER VO ...
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Electrical Specifications These specifications apply for T PVCC = 5V, VIN = 15V. Parameters with MIN and/or MAX limits are 100% tested at +25°C, unless otherwise specified. Temperature limits established by characterization and are not production tested. (Continued) PARAMETER FCCM ...
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... Theory of Operation Modulator The ISL6269 is a hybrid of fixed frequency PWM control, and variable frequency hysteretic control. Intersil’s R can simultaneously affect the PWM switching frequency and PWM duty cycle in response to input voltage and output load transients. The term “Ripple” in the name “Robust-Ripple- Regulator” ...
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When the EN pin is pulled above the rising EN threshold voltage V ENTHR ramped above the rising POR V VCC_THR the PGOOD Soft-Start Delay t starts and the output voltage SS begins to rise. The output ...
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PWM frequency characteristic of the R architecture for the PWM frequency to decrease while in diode emulation. The extent of the frequency reduction is proportional to the ...
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... GATE DRIVERS (EQ. 7) (EQ. 8) FIGURE 6. COMPENSATION REFERENCE CIRCUIT Your local Intersil representative can provide a PC-based tool that can be used to calculate compensation network component values and help simulate the loop frequency response. The compensation network consists of the internal should be checked error amplifier of the ISL6269 and the external components R1, ...
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... Intersil provides complete reference designs that include schematics, bills of materials, and example board layouts. Selecting the LC Output Filter The duty cycle of an ideal buck converter is a function of the input and the output voltage. This relationship is written as: V OUT ...
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MOSFET Selection and Considerations Typically, a MOSFET cannot tolerate even brief excursions beyond their maximum drain to source voltage rating. The MOSFETs used in the power stage of the converter should have a maximum V rating that exceeds the sum ...
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... Accordingly, the reader is cautioned to verify that data sheets are current before placing orders. Information furnished by Intersil is believed to be accurate and reliable. However, no responsibility is assumed by Intersil or its subsidiaries for its use; nor for any infringements of patents or other rights of third parties which may result from its use ...
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Package Outline Drawing L16.4x4 16 LEAD QUAD FLAT NO-LEAD PLASTIC PACKAGE Rev 6, 02/08 4.00 6 PIN 1 INDEX AREA 0.15 (4X) TOP VIEW ( TYP ) ( TYPICAL RECOMMENDED LAND PATTERN 14 ...