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LM137

Features: · Output voltage adjustable from −1.2V to −37V· 1.5A output current guaranteed, −55°C to +150°C· Line regulation typically 0.01%/V· Load regulation typically 0.3%· Excellent thermal regulation, 0.002%/W· 77 dB ripple rejection· Excellent rejection of thermal transients·...

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SeekIC No. : 004394639 Detail

LM137: Features: · Output voltage adjustable from −1.2V to −37V· 1.5A output current guaranteed, −55°C to +150°C· Line regulation typically 0.01%/V· Load regulation typically 0.3%· Excell...

LM137 Data Sheet

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Part Number:
LM137
Supply Ability:
5000

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  • 1~5000
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  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

· Output voltage adjustable from −1.2V to −37V
· 1.5A output current guaranteed, −55°C to +150°C
· Line regulation typically 0.01%/V
· Load regulation typically 0.3%
· Excellent thermal regulation, 0.002%/W
· 77 dB ripple rejection
· Excellent rejection of thermal transients
· 50 ppm/°C temperature coefficient
· Temperature-independent current limit
· Internal thermal overload protection
· P+ Product Enhancement tested
· Standard 3-lead transistor package
· Output is short circuit protected




Specifications

If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications.
Power Dissipation Internally Limited
Input-Output Voltage Differential 40V
Operating Junction Temperature Range
LM137−55 to +150
LM337 0 to +125
LM337I −40 to +125
Storage Temperature −65 to +150
Lead Temperature (Soldering, 10 sec.) 300
Plastic Package (Soldering, 4 sec.) 260
ESD Rating 2k Volts

Output Current 1500 mA
Output Min -37 Volt
Input Min Voltage -40 Volt
Input Max Voltage -4.2 Volt
Adjustable Output Yes
On/Off Pin No
Error Flag No
RegType Linear Regulator
Temperature Min -55 deg C
Temperature Max 150 deg C
Output Max -1.2 Volt
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Description

The LM137/LM337 are adjustable 3-terminal negative voltage regulators capable of supplying in excess of −1.5A over an output voltage range of −1.2V to −37V. These regulators are exceptionally easy to apply, requiring only 2 external resistors to set the output voltage and 1 output capacitor for frequency compensation. The circuit design has been optimized for excellent regulation and low thermal transients. Further, the LM137 series features internal current limiting, thermal shutdown and safe-area compensation, making them virtually blowout-proof against overloads.

The LM137/LM337 serve a wide variety of applications including local on-card regulation, programmable-output voltage regulation or precision current regulation. The LM137/ LM337 are ideal complements to the LM117/LM317 adjustable positive regulators.






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