Micro Dc/Dc V MAX. in XDL601/02 5.5V 5.5V 1.5A ... Micro Dc/Dc XDL601/02 5.5V 1.5A Step-Down Micro...

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Transcript of Micro Dc/Dc V MAX. in XDL601/02 5.5V 5.5V 1.5A ... Micro Dc/Dc XDL601/02 5.5V 1.5A Step-Down Micro...

  • Micro Dc/Dc

    XDL601/02 5.5V 1.5A Step-Down Micro Dc/Dc Vin Max.

    5.5V

    SEriES XDL601 XDL602

    Output Current 1.5A

    ON Resistance

    N-Ch 0.10Ω (typ)

    P-Ch 0.14Ω (typ)

    Input Voltage Range 2.5V ~ 5.5V

    Output Voltage Range 0.8V ~ 3.3V

    Switching Frequency 3.0MHz

    Quiescent Current (typ.) 400µA 25µA

    Control Method

    Hi-SAT COT

    Fixed PWM Control

    PWM/PFM Auto-switching

    Max Duty Cycle 100%

    Protection Circuits Current Limit Circuit, Short Circuit Protection,

    UVLO (2.0V), Thermal Shutdown

    Additional Features Integral Soft-start

    Optional CL Discharge

    Op. Amb. Temperature -40ºC ~ +105ºC

    Package DFN3625-11A (Wettable Flank)

    0 10 20 30 40 50 60 70 80 90

    100

    0.1 1 10 100 10000 1000

    E ffi

    ci en

    cy : E

    FF I (

    % )

    Output Current : IOUT (mA)

    VIN=5.0V, CIN =10µF(C2012X7R1A106M) CL =10µF(C2012X7R1A106M)

    XDL601A333 / XDL602A333

    XDL601 XDL602

    0 10 20 30 40 50 60 70 80 90

    100

    0.1 1 10 100 10000 1000

    R ip

    pl e

    V ol

    ta ge

    : V r(

    m V

    )

    Output Current : IOUT (mA)

    VIN=5.0V, CIN =10µF(C2012X7R1A106M) CL =10µF(C2012X7R1A106M)

    XDL601A333 / XDL602A333

    XDL601 XDL602

    1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0

    0 250 500 750 150012501000

    O sc

    ill at

    io n

    Fr eq

    ue nc

    y: f O

    S C (M

    H z)

    Output Current : IOUT (mA)

    XDL601A333

    VIN = 5.5V VIN = 5.0V VIN = 4.2V

    3.00

    3.10

    3.20

    3.30

    3.40

    3.50

    3.60

    0.1 1 10 100 10000 1000

    O ut

    pu t V

    ol ta

    ge : V

    O U

    T ( V

    )

    Output Current : IOUT (mA)

    VIN=5.0V, CIN =10µF(C2012X7R1A106M) CL =10µF(C2012X7R1A106M)

    XDL601A333

    CIN

    VIN VIN

    CEVOUT

    L2

    L1 Lx

    AGND PGND

    CL

    VOUT

    EfficiEncy VS. output currEnt output rippLE VS. output currEnt

    StAbLE oSciLLAtion frEquEncy SupErior LoAD rEguLAtion typicAL AppLicAtion circuit

    Time [100µ s./div]

    O ut

    pu t V

    ol ta

    ge : V

    O U

    T [ V

    ]

    O ut

    pu t C

    ur re

    nt : I

    O U

    T [ A

    ]

    1.60

    1.65

    1.70

    1.75

    1.80

    1.85

    1.90

    0

    0.5

    1.0

    1.5

    2.0

    2.5

    3.0

    O ut

    pu t V

    ol ta

    ge : V

    O U

    T [ V

    ]

    O ut

    pu t C

    ur re

    nt : I

    O U

    T [ A

    ]

    1.60

    1.65

    1.70

    1.75

    1.80

    1.85

    1.90

    0

    0.5

    1.0

    1.5

    2.0

    2.5

    3.0

    Time [100µ s./div]

    VIN = 3.6, VOUT = 1.8V, TRISE = TFALL = 2µs, Ta = 25ºC XDL601A18362-Q : CIN = CL = 10µF, XC9235A18DMR : CIN = 4.7µF, CL = 10µF

    VOUT (XDL601) VOUT (XC9235) IOUT

    fASt trAnSiEnt rESponSE

    AEc-q100 grade 2

    TA(max): 105°C

    z integrated coil Structure • More than 50% of PCB Area Savings • Minimised Radiated Noise (EMI)

    z High Efficiency at 3.0MHz operation • 93% (at VIN=5.0V, VOUT=3.3V/500mA)

    z Enhanced cot technology • Fast Transient Response • Stable Frequency Operation • Superior Load Regulation

    z High reliability • Wettable Flanks Package • High Thermal Performance

    fast transient response without the weaknesses of the conventional cot technology

    Stable oscillation frequency Superior Load regulation

    Dfn3625-11A

    inductor

    Dc/Dc chip

    2.5 mm

    3.6mm

    4 5Find out more www.torex-europe.comFind out more www.torex-europe.com