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Original question:

TPS7A21: 50mV step question

TPS7A21: 2.85V output in DSBGA package

Wenhui Liu
Prodigy 40 points
Part Number: TPS7A21
Other Parts Discussed in Thread: TPS7A20

Tool/software:

Hi Ti expert,

Is 2.85V output in DSBGA package of TPS7A21 family available? If it is available, what is the exact part number and where can it be ordered?

Thanks,

  • 0
    TI__Expert 6660 points

    Hello,

    There is no 2.85V version available of TPS7A21, however there is a lower current alternative in DSBGA with 2.85V available: TPS7A20285PYCKR

    Would this 300mA alternative work in your application?

    Quick spec comparison below:

      TPS7A21 TPS7A20
    Iout(Max)(A) 0.5 0.3
    Vin(Max)(V) 6 6
    Vin(Min)(V) 2 1.6
    Vout(Max)(V) 5.5 5.5
    Vout(Min)(V) 0.8 0.8
    Fixed output options(V) 2.8, 3.3, 3.45 0.9, 1.05, 1.2, 1.5, 1.8, 1.825, 1.85, 2.2, 2.4, 2.5, 2.7, 2.8, 2.85, 2.9, 3, 3.1, 3.2, 3.3, 3.6, 4, 4.2, 4.5, 5, 5.5
    PSRR @ 100
    KHz(dB)    		 61 60
    Noise(uVrms) 7.7 7
    Accuracy(%) 1.5 1.5
    Dropout voltage
    (Vdo)(Typ)(mV)    		 130 110
    Iq(Typ)
    (mA)    		 0.007 0.0065
    Output capacitor type      ceramic Ceramic
    Thermal resistance
    θJA(°C/W)    		 197.1 179.1
    Operating temperature
    range(C)    		 -40 to 125 -40 to 125
    Package size: mm2 0.4 mm2: .63 x .63 (DSBGA|4) 0.38 mm2: .616 x .616 (DSBGA|4), 8.12 mm2: 2.8 x 2.9 (SOT-23|5), 1 mm2: 1 x 1 (X2SON|4)
    Rating Catalog Catalog
    Features Enable, Output discharge Enable, Output discharge

    Regards,

    Andres