UTC LM317M Medium current 1.2v to 37v adjustable voltage regulator Datasheet

UNISONIC TECHNOLOGIES CO., LTD
LM317M
LINEAR INTEGRATED CIRCUIT
MEDIUM CURRENT 1.2V TO
37V ADJUSTABLE VOLTAGE
REGULATOR
„
DESCRIPTION
The UTC LM317M is an adjustable 3-terminal positive
voltage regulator, designed to supply 500mA of output current
with voltage adjustable from 1.2V ~ 37V.
„
FEATURES
*Output Voltage Adjustable From 1.2V ~ 37V
*Output Current In Excess of 500mA
*Internal Thermal Overload Protection
*Internal Short Circuit Current Limiting
*Output Transistor Safe Area Compensation
„
ORDERING INFORMATION
Ordering Number
Lead Free
Halogen Free
LM317ML-AA3-R
LM317MG-AA3-R
LM317ML-S08-R
LM317MG-S08-R
LM317ML-S08-T
LM317MG-S08-T
LM317ML-TA3-T
LM317MG-TA3-T
LM317ML-TN3-R
LM317MG-TN3-R
LM317ML-TN3-T
LM317MG-TN3-T
Note: Pin Assignment: I:VIN O:VOUT
x: NC
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Copyright © 2011 Unisonic Technologies Co., Ltd
Package
1
SOT-223 ADJ
SOP-8
I
SOP-8
I
TO-220 ADJ
TO-252 ADJ
TO-252 ADJ
2
O
O
O
O
O
O
Pin Assignment
3
4
5
6
I
O ADJ x
O
O ADJ x
O
I
I
I
-
7
O
O
-
8
x
x
-
Packing
Tape Reel
Tape Reel
Tube
Tube
Tape Reel
Tube
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QW-R101-014,H
LM317M
„
LINEAR INTEGRATED CIRCUIT
BLOCK DIAGRAM
UNISONIC TECHNOLOGIES CO., LTD
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QW-R101-014,H
LM317M
„
LINEAR INTEGRATED CIRCUIT
ABSOLUTE MAXIMUM RATINGS
PARAMETER
SYMBOL
RATINGS
UNIT
Input-Output Voltage Differential
VIN-VOUT
40
V
Power Dissipation
PD
Internally Limited
W
Junction Temperature
TJ
+125
℃
Operating Temperature
TOPR
-40 ~ +85
℃
Storage Temperature
TSTG
-40 ~ +150
℃
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.
„
THERMAL DATA
PARAMETER
Junction to Ambient
Junction to Case
„
SYMBOL
SOT-223
SOP-8
TO-220
TO-252
SOT-223
SOP-8
TO-220
TO-252
θJA
θJC
RATINGS
150
165
70
92
15
20
5
5
UNIT
℃/W
℃/W
ELECTRICAL CHARACTERISTICS
(VIN-VOUT=5V, IOUT=0.1A, TA=25℃, unless otherwise specified.)
PARAMETER
SYMBOL
TEST CONDITIONS
Line Regulation
ΔVOUT/VOUT 3V≦VIN-VOUT≦40V
VOUT≦5V
Load Regulation
ΔVOUT 10mA≦IOUT≦0.5A
VOUT≧5V
Adjustable Pin Current
IADJ
Adjustable Pin Current Change
ΔIADJ
Reference Voltage
VREF
Temperature Stability
Minimum Load Current for Regulation
Maximum Output Current
RMS Noise vs. %of VOUT
3V≦VIN-VOUT≦40V,
10mA≦IOUT≦0.5A, PD<7.5W
3V≦VIN-VOUT≦40V,
10mA≦IOUT≦0.5A, PD<7.5W
TMIN≦TJ≦TMAX
VIN-VOUT=40V
VIN-VOUT=40V, PD≦7.5W
10HZ≦f≦10KHZ
CADJ=0
Ripple Rejection
RR
VOUT=10V,f=120HZ
CADJ=10μF
Note: CADJ is connected between Adjust pin and Ground.
IL(MIN)
IO(MAX)
eN
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MIN
1.20
0.1
66
TYP MAX
0.01 0.04
5
25
0.1
0.5
50
100
UNIT
%/V
mV
%
μA
0.2
5
μA
1.25
1.30
V
0.7
3.5
0.2
0.003
65
80
10
%/VOUT
mA
A
%/VOUT
dB
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QW-R101-014,H
LM317M
„
LINEAR INTEGRATED CIRCUIT
APPLICATION CIRCUITS
VIN
3
VOUT
UTC LM317M 2
1
VADJ
240
D1
1N4001
VIN
3
R1
UTC LM317M 2
IOUT
VoUT
1
IADJ
50k
R2
10 F
R2
IO(MAX)=(
IO(MIN)=(
1.25V
VREF
)+IADJ=
R1
R1
VREF
1.25V
)+IADJ=
R1+R2
R1+R2
5mA<IOUT<100mA
Fig.3 Soft Start Application
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Fig.4 Constant Current Application
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QW-R101-014,H
LM317M
LINEAR INTEGRATED CIRCUIT
TYPICAL CHARACTERISTICS
„
Load Regulation vs. temperature
Adjustment Current vs. Temperature
60
0.0
Adjustment Current, IADJ (μA)
Output Voltage Deviation, ∆VOUT (%)
0.2
-0.2
-0.4
-0.6
-0.8
VIN=15V
VOUT=10V
-1.0
0
25
50
75
100
55
50
45
40
35
-50
125
0
25
50
75
100
125
Temperature
Output Current, IOUT (A)
Min Output Current, IOUT (mA)
Temperature
-25
UTC assumes no responsibility for equipment failures that result from using products at values that
exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or
other parameters) listed in products specifications of any and all UTC products described or contained
herein. UTC products are not designed for use in life support appliances, devices or systems where
malfunction of these products can be reasonably expected to result in personal injury. Reproduction in
whole or in part is prohibited without the prior written consent of the copyright owner. The information
presented in this document does not form part of any quotation or contract, is believed to be accurate
and reliable and may be changed without notice.
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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QW-R101-014,H
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