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PDF LM133 Data sheet ( Hoja de datos )
| Número de pieza | LM133 | |
| Descripción | 3-Ampere Adjustable Negative Regulators | |
| Fabricantes | National Semiconductor | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de LM133 (archivo pdf) en la parte inferior de esta página. Total 10 Páginas | ||
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May 1998
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
TO-220
Plastic 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
DS009065-2
Front View
3-Lead TO-220 Plastic Package (T)
Order Number LM333T
See NS Package Number T03B
© 1999 National Semiconductor Corporation DS009065
www.national.com
1 page  
Typical Applications (Continued)
High-Performance 9-Ampere Adjustable Regulator
DS009065-8
*Wire R1 and R4 to the regulator that provides the highest VOUT with a 3A load.
**Full output current requires 5V≤|VIN–VOUT|≤10V. At higher input-output voltages, load current will be less (see guaranteed curves)
Current Regulator
High Stability 10V Regulator
*0.4Ω ≤ R1 ≤ 120Ω
DS009065-9
DS009065-10
5 www.national.com
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet LM133.PDF ] | |
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