FAN4603

6MHz, 600mA Synchronous Buck Regulator

This product is only available in die/wafer.

Obsolete as of 11-Dec-2012

    The FAN4603 is a fully integrated synchronous DC/DC buck converter that provides up to 600mA of output current over an input voltage ranging from 2.3V to 5.5V. It provides a fixed output voltage level ranging from 1.2V to 1.8V. Other voltage options are available on request.     The FAN4603 converter is offered as an ultra-miniature “Solder and Play” solution that requires no external components and is able to achieve a DC accuracy of ±4% PWM and an output ripple less than 12mV.     Total footprint is 4.0 x 2.5mm with a maximum height of 1mm. It can be used in small battery-powered devices and applications with distributed DC POL requirements.     At moderate and light loads, pulse frequency modulation is used to operate the device in power-save mode with a typical quiescent current of 35µA. Even with such a low quiescent current, the part exhibits excellent transient response during large load swings. At higher loads, the system automatically switches to fixed-frequency control.     In shutdown mode, the supply current drops below 2µA, reducing power consumption.

    Features

    • Solder and Play DC/DC Converter;No External Components Required
    • Up to 91% Efficiency
    • 500mA Output Current Capability
    • 2.3V to 5.5V Input Voltage Range
    • Fixed Output Voltages from 1.2V to 1.8V
    • 35µA PFM Quiescent Current
    • Best-in-Class Load and Line Transient Response
    • ±4% PWM DC Voltage Accuracy
    • No External Components Required
    • High-Efficiency, Low-Ripple, Light-Load PFM
    • Thermal Shutdown (TSD), Under-Voltage Lockout,(UVLO), and Short-Circuit (SCP) Protection
    • 4.0 x 2.5mm MLP Package
    • Maximum Height: 1.1mm
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    Index Product Product &
    Eco Status
    Replacement Part Number Packing Method Convention Package Marking
    Convention*
    Qualification
    Support
    Compliance
    Certificates
    2 FAN4603MM13X Obsolete as of 11-Dec-2012
    Green as of Jul 2010
    None

    Module 2.5x4 6L -  Details
    1.1 x 2.5 x 4mm,  TAPE REEL

    PDF Module 2.5x4 6L  Drawing
    Last Update: Jan 2015 PDF MICROMODULE, Packing Drawing
    Last Update: Jun 2013
    Line 1$Y (Fairchild logo)
    &Z (Plant Code)
    &2 (2-Digit Date Code)
    &K

    Line 24603 13

    ESD (CDM) 2000V

    ESD (HBM) 6000V

    Moisture Sensitivity Level (MSL) 1

    Max Reflow Temp 260

    2 FAN4603MM12X Obsolete as of 11-Dec-2012
    Green as of Jul 2010
    None

    Module 2.5x4 6L -  Details
    1.1 x 2.5 x 4mm,  TAPE REEL

    PDF Module 2.5x4 6L  Drawing
    Last Update: Jan 2015 PDF MICROMODULE, Packing Drawing
    Last Update: Jun 2013
    Line 1$Y (Fairchild logo)
    &Z (Plant Code)
    &2 (2-Digit Date Code)
    &K

    Line 24603 12

    ESD (CDM) 2000V

    ESD (HBM) 6000V

    Moisture Sensitivity Level (MSL) 1

    Max Reflow Temp 260

    2 FAN4603MM15X Obsolete as of 11-Dec-2012
    Green as of Jul 2010
    None

    Module 2.5x4 6L -  Details
    1.1 x 2.5 x 4mm,  TAPE REEL

    PDF Module 2.5x4 6L  Drawing
    Last Update: Jan 2015 PDF MICROMODULE, Packing Drawing
    Last Update: Jun 2013
    Line 1$Y (Fairchild logo)
    &Z (Plant Code)
    &2 (2-Digit Date Code)
    &K

    Line 24603 15

    ESD (CDM) 2000V

    ESD (HBM) 6000V

    Moisture Sensitivity Level (MSL) 1

    Max Reflow Temp 260

    2 FAN4603MM18X Obsolete as of 10-Jun-2013
    Green as of Oct 2009
    None

    Module 2.5x4 6L -  Details
    1.1 x 2.5 x 4mm,  TAPE REEL

    PDF Module 2.5x4 6L  Drawing
    Last Update: Jan 2015 PDF MICROMODULE, Packing Drawing
    Last Update: Jun 2013
    Line 1$Y (Fairchild logo)
    &Z (Plant Code)
    &2 (2-Digit Date Code)
    &K

    Line 24603 18

    ESD (CDM) 2000V

    ESD (HBM) 6000V

    Moisture Sensitivity Level (MSL) 1

    Max Reflow Temp 260

    2 FAN4603MM10X Obsolete as of 11-Dec-2012
    Green as of Jul 2010
    None

    Module 2.5x4 6L -  Details
    1.1 x 2.5 x 4mm,  TAPE REEL

    PDF Module 2.5x4 6L  Drawing
    Last Update: Jan 2015 PDF MICROMODULE, Packing Drawing
    Last Update: Jun 2013
    Line 1$Y (Fairchild logo)
    &Z (Plant Code)
    &2 (2-Digit Date Code)
    &K

    Line 24603 10

    ESD (CDM) 2000V

    ESD (HBM) 6000V

    Moisture Sensitivity Level (MSL) 1

    Max Reflow Temp 260

    • TBA
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