TAITRON LM317LS8-XX-AR 100ma adjustable positive voltage regulator Datasheet

100mA Adjustable Positive
Voltage Regulator
LM317L
100mA Adustable Positive Voltage Regulator
General Description
• The LM317L is a monolithic integrated circuit, designed to supply
100mA of output current with voltage adjustable from 1.25V ~ 37V.
• The LM317L is available in standard TO-92 and SOP-8 packages.
Features
SOP-8
Applications
• Output voltage adjustable from 1.25V ~ 37V
•
•
•
•
•
TO-92
Output current in excess of 100mA
Internal thermal overload protection
Internal short circuit current limiting
Output transistor safe area compensation
RoHS Compliance
• High Efficiency Linear Regulators
• Post Regulation for Switching Supplies
• Microprocessor Power Supply
• Mother Board I/O Power Supply
Ordering Information
TAITRON COMPONENTS INCORPORATED www.taitroncomponents.com
Tel:
Fax:
(800)-TAITRON (800)-824-8766
(800)-TAITFAX (800)-824-8329
(661)-257-6060
(661)-257-6415
Rev. A/DX 2007-06-04
Page 1 of 8
100mA Adjustable Positive Voltage Regulator
LM317L
Pin Configuration
Outline: Z
TO-92
Outline: S8
SOP-8
Block Diagram
Rev. A/DX 2007-06-04
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100mA Adjustable Positive Voltage Regulator
LM317L
Absolute Maximum Ratings (Ta=25° C, unless otherwise specified)
Symbol
Description
Ratings
Unit
VIN-VOUT
IO
Input - Output Voltage Differential
Max. Output Current
40
100
V
mA
PD
Power Dissipation
Internally Limited
mW
TJ
Operating Junction Temperature
125
°C
TOPR
TSTG
Operating Temperature Range
Storage Temperature Range
0 ~ 125
-40 ~ 150
°C
°C
Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged.
Absolute maximum ratings are stress ratings only and functional device operation is not implied.
Electrical Characteristics
(VIN-VOUT=5V, IOUT=40mA, Ta=25ºC, unless otherwise specified)
Symbol
Description
∆VOUT/VOUT Line Regulation
∆VOUT
Load Regulation
LM317L
Unit
Conditions
Min.
Typ.
Max.
-
0.01
0.04
%/V
-
5
25
%
5mA≤IOUT≤100mA, Vout≥5V
-
0.1
0.5
%
5mA≤IOUT≤101mA, Vout≤5V
3V≤VIN-VOUT≤40V,
IOUT≤20mA
IADJ
Adjustable Pin Current
-
50
100
µA
∆IADJ
Adjustable Pin Current
Change
-
0.2
5
µA
VREF
Reference Input Voltage
1.20
1.25
1.30
V
-
0.7
-
%/VOUT
TMIN ≤TJ≤TMAX
Temperature Stability
-
3V≤VIN-VOUT≤40V,
5mA≤IOUT≤100mA, Pd<625mW
3V≤VIN-VOUT≤15V,
5mA≤IOUT≤100mA, Pd<625mW
-
3.5
10
mA
VIN-VOUT=40V
IO(MAX)
Minimum Load Current for
Regulation
Maximum Output Current
-
50
-
mA
VIN-VOUT=40V, Pd≤625mW
eN
RMS Noise vs. % of Vout
-
0.003
0.01
%/Vout
10Hz ≤f≤10KHz
-
65
-
66
80
-
IL(MIN)
PSRR
Ripple Rejection
dB
VOUT=10V, f=120Hz, CADJ=0µF
VOUT=10V, f=120Hz, CADJ=10µF
Note: CADJ is connected between Adjust pin and Ground.
Rev. A/DX 2007-06-04
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Page 3 of 8
100mA Adjustable Positive Voltage Regulator
LM317L
Fig.2- Adjustment Current vs. Temperature
Fig.1- Load Regulation vs. Temperature
IADJ, Adjustment Current (µA)
∆VOUT, Output Voltage Deviation (%)
Typical Characteristics Curves
Temperature (° C)
Temperature (° C)
Fig.4- Minimum Operating Current
IOUT, Output Current (mA)
IOUT, Min. Output Current (mA)
Fig.3- Current Limit
VIN-VOUT (V)
VIN-VOUT (V)
Rev. A/DX 2007-06-04
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100mA Adjustable Positive Voltage Regulator
LM317L
Typical Application
Fig.5-Programmable Voltage Regulator
Fig.7- Soft Start Application
Fig.6- Regulator with On-off Control
Fig.8- Constant Current Application
Rev. A/DX 2007-06-04
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Page 5 of 8
100mA Adjustable Positive Voltage Regulator
LM317L
Dimensions in mm (inches)
TO-92
Rev. A/DX 2007-06-04
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Page 6 of 8
100mA Adjustable Positive Voltage Regulator
LM317L
Dimensions in mm (inches) (Continued)
SOP-8
Rev. A/DX 2007-06-04
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Page 7 of 8
100mA Adjustable Positive Voltage Regulator
LM317L
How to contact us:
US HEADQUARTERS
28040 WEST HARRISON PARKAWAY, VALENCIA, CA 91355-4162
Tel: (800) TAITRON (800) 824-8766 (661) 257-6060
Fax: (800) TAITFAX (800) 824-8329 (661) 257-6415
Email: [email protected]
Http://www.taitroncomponents.com
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42970 MEXICO
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TAITRON COMPONETS INCORPORATED, SHANGHAI REPRESENTATIVE OFFICE
CROSS REGION PLAZA, 899 LINGLING ROAD, SUITE 18C, SHANGHAI, 200030, CHINA
Tel: +86-21-5424-9942
Fax: +86-21-5424-9931
Rev. A/DX 2007-06-04
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Page 8 of 8
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