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LM333K Datasheet(PDF) 1 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part No. LM333K
Description  3-Ampere Adjustable Negative Regulators
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Maker  NSC [National Semiconductor (TI)]
Homepage  http://www.national.com
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LM133/LM333
3-Ampere Adjustable Negative Regulators
General Description
The LM133/LM333 are adjustable 3-terminal negative volt-
age regulators capable of supplying in excess of −3.0A over
an output voltage range of −1.2V to −32V. These regulators
are exceptionally easy to apply, requiring only 2 external re-
sistors to set the output voltage and 1 output capacitor for
frequency compensation. The circuit design has been opti-
mized for excellent regulation and low thermal transients.
Further, the LM133 series features internal current limiting,
thermal shutdown and safe-area compensation, making
them substantially immune to failure from overloads.
The LM133/LM333 serve a wide variety of applications in-
cluding local on-card regulation, programmable-output volt-
age regulation or precision current regulation. The LM133/
LM333 are ideal complements to the LM150/LM350
adjustable positive regulators.
Features
n Output voltage adjustable from −1.2V to −32V
n 3.0A output current guaranteed, −55˚C to +150˚C
n Line regulation typically 0.01%/V
n Load regulation typically 0.2%
n Excellent rejection of thermal transients
n 50 ppm/˚C temperature coefficient
n Temperature-independent current limit
n Internal thermal overload protection
n P
+ Product Enhancement tested
n Standard 3-lead transistor package
n Output is short circuit protected
Connection Diagrams
TO-3
Metal Can Package
DS009065-1
Bottom View
Steel TO-3 Metal Can Package (K STEEL)
Order Number LM133K STEEL or
LM333K STEEL
See NS Package Number K02A
TO-220
Plastic Package
DS009065-2
Front View
3-Lead TO-220 Plastic Package (T)
Order Number LM333T
See NS Package Number T03B
May 1998
© 1999 National Semiconductor Corporation
DS009065
www.national.com




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