LM341 500 mA Fixed Output Linear Regulator / LDO | TI.com


500 mA Fixed Output Linear Regulator / LDO


Recommended alternative parts

  • LM78M  -  Equivalent device in surface mount package


The LM341 and LM78M05 three-pin positive voltage regulators employ built-in current limiting, thermal shutdown, and safe-operating area protection, which makes them virtually immune to damage from output overloads.

With adequate heat sinking, they can deliver in excess of 0.5-A output current. Typical applications would include local (on-card) regulators which can eliminate the noise and degraded performance associated with single-point regulation.


  • Output Current in Excess of 0.5 A
  • No External Components
  • Internal Thermal Overload Protection
  • Internal Short Circuit Current-Limiting
  • Output Transistor Safe-Area Compensation
  • Available in 3-Pin TO-220, TO-252, and TO packages
  • Output Voltages of 5 V and 15 V


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Part number Order Output options Iout (Max) (A) Vin (Max) (V) Vin (Min) (V) Vout (Max) (V) Vout (Min) (V) Fixed output options (V) Package Group Features Regulated outputs (#) Operating temperature range (C) Thermal resistance θJA (°C/W) Noise (uVrms) Approx. price (US$) Rating Output capacitor type PSRR @ 100 KHz (dB) Accuracy (%) Vdo (Typ) (mV) Iq (Typ) (mA) Package size: mm2:W x L (PKG)
LM341 Order now Fixed Output     0.5     35     7.5     15     5     5
TO-220 | 3    
1     -40 to 125     23     40     0.50 | 1ku     Catalog     Non-Ceramic     45     2.5     1800     4     See datasheet (TO-220)