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PDF LM317 Data sheet ( Hoja de datos )
| Número de pieza | LM317 | |
| Descripción | 1.2V TO 37V VOLTAGE REGULATOR | |
| Fabricantes | STMicroelectronics | |
| Logotipo |  |
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 1. Positive Adjustable Regulator - Linear  Hay una vista previa y un enlace de descarga de LM317 (archivo pdf) en la parte inferior de esta página. Total 25 Páginas | ||
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LM217, LM317
1.2 V to 37 V adjustable voltage regulators
TO-220
TO-220FP
D²PAK
Datasheet - production data
Description
The LM217, LM317 are monolithic integrated
circuits in TO-220, TO-220FP and D²PAK
packages intended for use as positive adjustable
voltage regulators. They are designed to supply
more than 1.5 A of load current with an output
voltage adjustable over a 1.2 to 37 V range. The
nominal output voltage is selected by means of a
resistive divider, making the device exceptionally
easy to use and eliminating the stocking of many
fixed regulators.
Features
• Output voltage range: 1.2 to 37 V
• Output current in excess of 1.5 A
• 0.1 % line and load regulation
• Floating operation for high voltages
• Complete series of protections: current limiting,
thermal shutdown and SOA control
Table 1. Device summary
Order codes
TO-220 (single gauge) TO-220 (double gauge)
LM217T
LM317T
LM317BT
LM217T-DG
LM317T-DG
D²PAK (tape and reel)
LM217D2T-TR
LM317D2T-TR
TO-220FP
LM317P
March 2014
This is information on a product in full production.
DocID2154 Rev 19
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www.st.com
1 page  
LM217, LM317
3 Diagram
Figure 2. Schematic diagram
Diagram
DocID2154 Rev 19
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LM217, LM317
Application information
Figure 8. Slow turn-on 15 V regulator
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Figure 9. Current regulator
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IO = (VREF / R1) + IADJ = 1.25 V / R1
Figure 10. 5 V electronic shut-down regulator
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DocID2154 Rev 19
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25
11 Page | ||
| Páginas | Total 25 Páginas | |
| PDF Descargar | [ Datasheet LM317.PDF ] | |
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