The LM137 and LM337-N are adjustable 3-terminal negative voltage regulators capable ofsupplying–1.5 A or more currents over an output voltage range of –1.25 V to –37 V. It requires onlytwo external resistors to set the output voltage and one output capacitor for frequencycompensation. The circuit design has been optimized for excellent regulation and low thermaltransients. Further, the LM137 and LM337-N feature internal current limiting, thermal shutdown andsafe-area compensation, making it virtually blowout-proof against overloads.

The LM137 and LM337-N are ideal complements to the LM117 and LM317 adjustable positiveregulators. The LM137 has a wider operating temperature range than the LM337-N and is also offeredin military and space qualified versions.

  • 1.5-A Output Current
  • Line Regulation 0.01%/V (Typical)
  • Load Regulation 0.3% (Typical)
  • 77-dB Ripple Rejection
  • 50 ppm/°C Temperature Coefficient
  • Thermal Overload Protection
  • Internal Short-Circuit Current Limiting
    Protections

Part number立即下单Output optionsIout(Max)(A)Vin(Max)(V)Vin(Min)(V)Vout(Max)(V)Vout(Min)(V)Fixed output options(V)Package GroupFeaturesRegulated outputs(#)Operating temperature range(C)Thermal resistance θJA(°C/W)Noise(uVrms)Approx. price(US$)RatingPSRR @ 100 KHz(dB)Accuracy(%)Dropout voltage (Vdo)(Typ)(mV)Iq(Typ)(mA)Package size: mm2:W x L (PKG)
LM137立即下单Adjustable Output
Negative Output  
1.5  -4.2  -40  -1.2  -37   TO | 3    1  -55 to 150  137  1110  8.16|1ku  Catalog  30  4  3000  0.065  3TO: 92 mm2: 9.14 x 10.03 (TO | 3)  
LM120无样片Fixed Output
Negative Output  
1.5  -7  -25  -5  -15  -5
-12
-15  
TO | 3    1  -55 to 150  35  150  8.92|1ku  Catalog  23  2  3000  1  3TO: 92 mm2: 9.14 x 10.03 (TO | 3)  
LM337-N立即下单Adjustable Output
Negative Output  
1.5  -4.2  -40  -1.2  -37   SOT-223|4
TO-220|3
TO-220|3  
  1  -40 to 125
0 to 125
0 to125  
23  38  0.54|1ku  Catalog  35  2.4  2400  0.065  4SOT-223: 46 mm2: 7 x 6.5 (SOT-223|4)
3TO-220: 47 mm2: 4.58 x 10.16 (TO-220|3)
3TO-220: 194 mm2: 19.05 x 10.16 (TO-220|3)  
LM337L立即下单Adjustable Output
Negative Output  
0.1  -4.2  -40  -1.2  -37   SOIC|8
TO-92|3  
  1  -25 to 100  111  38  0.21|1ku  Catalog   1.4  2200  0.05  8SOIC: 19 mm2: 3.91 x 4.9 (SOIC|8)
3TO-92: 19 mm2: 3.68 x 5.2 (TO-92|3)  

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