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LP2951: Part availability/replacement

Part Number: LP2951
Other Parts Discussed in Thread: LP2954, ,

Is there a drop-in replacement for the LP2951CMX/NOPB (8SOIC) or is there another similar device, with inventory, that we could design in it's place?

  • David,

    LP2954 is p2p replacement.

      LP2951 LP2954
    AEC Q100 NO NO
    Output Options Adjustable Output, Fixed Output Adjustable Output, Fixed Output
    Iout (Max) (A) 0.1 0.25
    Vin (Max) (V) 30 30
    Vin (Min) (V) 2 -20
    Vout (Max) (V) 29 29
    Vout (Min) (V) 1.2 1.23
    Fixed Output Options (V) 3, 3.3, 5 5
    Enable YES YES
    Power Good YES YES
    Output Capacitor Type Non-Ceramic Non-Ceramic
    PSRR @ 100KHz (dB) 57 14
    Noise (uVrms) 160 80
    Accuracy (%) 3 3
    Vdo (Typ) (mV) 380 800
    Iq (Typ) (mA) 0.075 0.21
    Thermal Resistance θJA (°C/W) 52 44
    Min Package Area (mm2) 9 19.159
    Package Type SOIC, SON DDPAK/TO-263, SOIC, TO-220
  • I found out that the shutdown pin is the opposite polarity between the 2951 and 2954.

  • David,

    Apologize for missing that. LP2951-N will be the only alternative.

      LP2951 LP2951-N
    AEC Q100 NO NO
    Output Options Adjustable Output, Fixed Output Adjustable Output, Fixed Output
    Iout (Max) (A) 0.1 0.1
    Vin (Max) (V) 30 30
    Vin (Min) (V) 2 2.3
    Vout (Max) (V) 29 29
    Vout (Min) (V) 1.2 1.24
    Fixed Output Options (V) 3, 3.3, 5 3, 3.3, 5
    Enable YES YES
    Power Good YES YES
    Output Capacitor Type Non-Ceramic Ceramic
    PSRR @ 100KHz (dB) 57 51
    Noise (uVrms) 160 160
    Accuracy (%) 3 2.5
    Vdo (Typ) (mV) 380 380
    Iq (Typ) (mA) 0.075 0.075
    Thermal Resistance θJA (°C/W) 52 43
    Min Package Area (mm2) 9 14.7
    Package Type SOIC, SON PDIP, SOIC, VSSOP, WSON

    Regards,

    Prakash L