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LM2941C: LM2491C TI replacement

Vanessa Blanco
Prodigy 10 points

Part Number: LM2941C
Other Parts Discussed in Thread: TPS7A47

Hi TI team,

We currently use the LM2941C 1A Low Dropout Adjustable Regulator with package TO263, do you have a replacement or could you recommend us the better TI solution, please?

Thanks in advance!

  • 0
    TI__Expert 5656 points

    Vanessa,

    We don't have a drop-in replacement at this time. We recommend https://www.ti.com/product/TPS7A47 if you can use a different package. However, it does not support negative Vin.

      LM2941C TPS7A47
    Iout(Max)(A) 1 1
    Vin(Max)(V) 26 36
    Vin(Min)(V) -15 3
    Vout(Max)(V) 20 34
    Vout(Min)(V) 5 1.4
    Fixed output options(V) --- ---
    PSRR @ 100
    KHz(dB)    		 67 60
    Noise(uVrms) 38 4
    Accuracy(%) 2.8 2.5
    Dropout voltage
    (Vdo)(Typ)(mV)    		 500 307
    Iq(Typ)
    (mA)    		 10 0.58
    Output capacitor type      Non-Ceramic Ceramic
    Thermal resistance
    θJA(°C/W)    		 32 33
    Operating temperature
    range(C)    		 0 to 125 -40 to 125
    Package size: mm2 155 mm2: 15.24 x 10.16 (DDPAK/TO-263|5), 86 mm2: 8.47 x 10.16 (TO-220|5), 86 mm2: 8.51 x 10.16 (TO-220|5) 25 mm2: 5 x 5 (VQFN|20)
    Packages DDPAK/TO-263|5, TO-220|5, TO-220|5 VQFN|20

    Regards,

    Prakash L