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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 Regulator
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Maker  NSC [National Semiconductor (TI)]
Homepage  http://www.national.com
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LM333
3-Ampere Adjustable Negative Regulator
General Description
The LM333 is an adjustable 3-terminal negative voltage
regulator capable of supplying in excess of −3.0A over an
output voltage range of −1.2V to −32V. This regulator is
exceptionally easy to apply, requiring only 2 external resis-
tors 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 LM333 features internal current limiting, thermal
shutdown and safe-area compensation, making them sub-
stantially immune to failure from overloads.
The LM333 serves a wide variety of applications including
local on-card regulation, programmable-output voltage regu-
lation or precision current regulation. The LM333 is an ideal
complement to the LM150/LM350 adjustable positive regu-
lators.
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
Standard 3-lead transistor package
n
Output is short circuit protected
Connection Diagram
Typical Application
TO-3
Metal Can Package
DS009065-1
Bottom View
Steel TO-3 Metal Can Package (K STEEL)
Order Number LM333K STEEL
See NS Package Number K02A
−5.2V Regulator with Electronic Shutdown
DS009065-6
December 2000
© 2000 National Semiconductor Corporation
DS009065
www.national.com




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