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Numéro de référence | NCV317L | ||
Description | Positive Voltage Regulator | ||
Fabricant | ON Semiconductor | ||
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1 Page
LM317L, NCV317L
100 mA Adjustable Output,
Positive Voltage Regulator
The LM317L is an adjustable 3−terminal positive voltage regulator
capable of supplying in excess of 100 mA over an output voltage range
of 1.2 V to 37 V. This voltage regulator is exceptionally easy to use
and requires only two external resistors to set the output voltage.
Further, it employs internal current limiting, thermal shutdown and
safe area compensation, making them essentially blow−out proof.
The LM317L serves a wide variety of applications including local,
on card regulation. This device can also be used to make a
programmable output regulator, or by connecting a fixed resistor
between the adjustment and output, the LM317L can be used as a
precision current regulator.
Features
Output Current in Excess of 100 mA
Output Adjustable Between 1.2 V and 37 V
Internal Thermal Overload Protection
Internal Short Circuit Current Limiting
Output Transistor Safe−Area Compensation
Floating Operation for High Voltage Applications
Standard 3−Lead Transistor Package
Eliminates Stocking Many Fixed Voltages
NCV Prefix for Automotive and Other Applications Requiring
Unique Site and Control Change Requirements; AEC−Q100
Qualified and PPAP Capable
These are Pb−Free Devices
Simplified Application
Vin
Cin*
0.1mF
LM317L
IAdj
Adjust
Vout
R1
240
+ CO**
1.0mF
R2
http://onsemi.com
LOW CURRENT
THREE−TERMINAL
ADJUSTABLE POSITIVE
VOLTAGE REGULATOR
8
1
SOIC−8
D SUFFIX
CASE 751
Pin 1. Vin
2. Vout
3. Vout
4. Adjust
5. N.C.
6. Vout
7. Vout
8. N.C.
123
STRAIGHT LEAD
BULK PACK
TO−92
Z SUFFIX
CASE 29
12 3
BENT LEAD
TAPE & REEL
AMMO PACK
Pin 1. Adjust
2. Vout
3. Vin
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 9 of this data sheet.
* Cin is required if regulator is located an appreciable
** distance from power supply filter.
** CO is not needed for stability, however,
** it does improve transient response.
ǒ ǓVout + 1.25 V
1
)
R2
R1
) IAdj R2
Since IAdj is controlled to less than 100 mA, the error
associated with this term is negligible in most applications.
Semiconductor Components Industries, LLC, 2013
May, 2013 − Rev. 12
1
Publication Order Number:
LM317L/D
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Pages | Pages 11 | ||
Télécharger | [ NCV317L ] |
No | Description détaillée | Fabricant |
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