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TPS7A47: 5Vin/2A-3A (>28V rating)

Brian Wang0928
Genius 13020 points
Part Number: TPS7A47
Other Parts Discussed in Thread: LM1084

Tool/software:

Customer is looking for a LDO to meet below condition and >28V rating for FuSa SIL3 motor drive power

Condition: 5.5Vin to 5.0Vout/2A or 3A ; Since it's for safety power, the input voltage derating has to be > 28Vin. 

Could you help to suggest a suited one! Very thanks. 

Regards

Brian

  • 0
    TI__Expert 5070 points

    Hi Brian,

    I think LM1084 would be a good fit here since it is both adjustable and has a fixed 5Vout version and can handle up to 29Vin and 5.5A Iout.

    Adjustable version: LM1084ISX-ADJ/NOPB

    5Vout version: LM1084ISX-5.0/NOPB

      LM1084
    Iout(Max)(A) 5.5
    Vin(Max)(V) 29
    Vin(Min)(V) 2.6
    Vout(Max)(V) 27.5
    Vout(Min)(V) 1.25
    Fixed output options(V) 3.3, 5
    PSRR @ 100
    KHz(dB)    		 30
    Noise(uVrms) 38
    Accuracy(%) 1.5
    Dropout voltage
    (Vdo)(Typ)(mV)    		 1300
    Iq(Typ)
    (mA)    		 5
    Output capacitor type      Non-Ceramic
    Thermal resistance
    θJA(°C/W)    		 23
    Operating temperature
    range(C)    		 -40 to 125
    Package size: mm2 155 mm2: 15.24 x 10.16 (DDPAK/TO-263|3), 47 mm2: 4.58 x 10.16 (TO-220|3)
    Rating Catalog

    Regards,

    Andres