Datasheet

LM137, LM337-N
SNVS778D –MAY 1999–REVISED APRIL 2013 www.ti.com
ELECTRICAL CHARACTERISTICS
(1)
(continued)
Parameter Conditions LM137 LM337 Units
Min Typ Max Min Typ Max
Current Limit |V
IN
− V
OUT
| ≤ 15V
K, DCY and NDE Package 1.5 2.2 3.5 1.5 2.2 3.7 A
NDT Package 0.5 0.8 1.8 0.5 0.8 1.9 A
|V
IN
− V
OUT
| = 40V, T
j
= 25°C
K, DCY and NDE Package 0.24 0.4 0.15 0.4 A
NDT Package 0.15 0.17 0.10 0.17 A
RMS Output Noise, % of V
OUT
T
j
= 25°C, 10 Hz ≤ f ≤ 10 kHz 0.003 0.003 %
Ripple Rejection Ratio V
OUT
= −10V, f = 120 Hz 60 60 dB
C
ADJ
= 10 μF 66 77 66 77 dB
Long-Term Stability T
j
= 125°C, 1000 Hours 0.3 1 0.3 1 %
Thermal Resistance, Junction to NDT Package 12 15 12 15 °C/W
Case
K Package 2.3 3 2.3 3 °C/W
NDE Package 4 °C/W
Thermal Resistance, Junction to NDT Package 140 140 °C/W
Ambient (No Heat Sink)
K Package 35 35 °C/W
NDE Package 50 °C/W
DCY Package 170 °C/W
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