UTC LM317G-TN3-R High current 1.3v to 37v adjustable voltage regulator Datasheet

UNISONIC TECHNOLOGIES CO., LTD
LM317
LINEAR INTEGRATED CIRCUIT
HIGH CURRENT 1.3V TO 37V
ADJUSTABLE VOLTAGE
REGULATOR
„
1
TO-220
DESCRIPTION
TO-263
TO-252
FEATURES
1
*Output voltage adjustable from 1.3V ~ 37V
*Output current in excess of 1A
*Internal short circuit protection.
*Internal over temperature protection.
*Output transistor safe area compensation
„
TO-220F
1
1
The UTC LM317 is an adjustable 3-terminal positive voltage
regulator, designed to supply 1A of output current with voltage
adjustable from 1.3V ~ 37V.
„
1
SOT-223
2
1
TO-3
Lead-free:
LM317K
Halogen-free: LM317G
ORDERING INFORMATION
Ordering Number
Normal
Lead Free
LM317-AA3-R
LM317K-AA3-R
LM317-TA3-T
LM317K-TA3-T
LM317-TF3-T
LM317K-TF3-T
LM317-TN3-R
LM317K-TN3-R
LM317-TN3-T
LM317K-TN3-T
LM317-TQ2-R
LM317K-TQ2-R
LM317-TQ2-T
LM317K-TQ2-T
LM317-T30-Y
LM317K-T30-Y
Note: 1. Pin Assignment: I:VIN O:VOUT
2. Pin 3 on TO-3 is case
Halogen Free
LM317G-AA3-R
LM317G-TA3-T
LM317G-TF3-T
LM317G-TN3-R
LM317G-TN3-T
LM317G-TQ2-R
LM317G-TQ2-T
LM317G-T30-Y
Package
SOT-223
TO-220
TO-220F
TO-252
TO-252
TO-263
TO-263
TO-3
Pin Assignment
1
2
3
ADJ
O
I
ADJ
O
I
ADJ
O
I
ADJ
O
I
ADJ
O
I
ADJ
O
I
ADJ
O
I
I
ADJ
O
Packing
Tape Reel
Tube
Tube
Tape Reel
Tube
Tape Reel
Tube
Tray
LM317K-AA3-R
(1)Packing Type
(1) R: Tape Reel, T: Tube, Y: Tray
(2)Package Type
(2) AA3: SOT-223, TA3: TO-220, TF3: TO-220F,
TN3: TO-252, TQ2: TO-263, T30: TO-3
(3) G: Halogen Free, K: Lead Free,
Blank: Pb/Sn
(3)Lead Plating
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Copyright © 2008 Unisonic Technologies Co., Ltd
1 of 5
QW-R101-009,K
LM317
„
LINEAR INTEGRATED CIRCUIT
BLOCK DIAGRAM
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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QW-R101-009,K
LM317
„
LINEAR INTEGRATED CIRCUIT
ABSOLUTE MAXIMUM RATINGS (Ta=25°C, unless otherwise specified)
PARAMETER
SYMBOL
RATINGS
UNIT
Input - Output Voltage Difference
VIN-VOUT
40
V
Power Dissipation
PD
Internal limited
Junction Temperature
TJ
+125
°C
Operating Temperature
TOPR
-40 ~ +85
°C
Storage Temperature
TSTG
-40 ~ +150
°C
Note:1. Absolute maximum ratings are stress ratings only and functional device operation is not implied. The device
could be damaged beyond Absolute maximum ratings.
„
THERMAL DATA
PARAMETER
Junction-to-Ambient
Junction-to-Case
„
SYMBOL
TO-252
TO-220/TO-220F
TO-263
SOT-223
TO-3
TO-252
TO-220/TO-220F
TO-263
SOT-223
TO-3
RATINGS
112
54
64
165
35
12
5
5
23
3
θJA
θJC
UNIT
℃/W
℃/W
ELECTRICAL CHARACTERISTICS
(VIN-VOUT=5V, IOUT=10mA, Ta=25°C, unless otherwise specified.)
PARAMETER
SYMBOL
TEST CONDITIONS
Line Regulation
ΔVOUT/VOUT 3V≦VIN-VOUT≦40V
VOUT≦5V
Load Regulation
ΔVOUT 10mA≦IOUT≦1A
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
Ripple Rejection
MIN
IL(MIN)
IO(MAX)
eN
RR
3V≦VIN-VOUT≦40V,
10mA≦IOUT≦1A, PD≦20W
3V≦VIN-VOUT≦40V,
10mA≦IOUT≦1A, PD≦20W
TMIN≦TJ≦TMAX
VIN-VOUT=40V
VIN-VOUT=40V, PD≦20W
10HZ≦f≦10KHZ
VOUT=10V,f=120HZ
1.20
0.2
CADJ=0
CADJ=10μF
66
TYP
0.01
5
0.1
50
MAX
0.04
25
0.5
100
UNIT
%/V
mV
%
μA
0.2
5
μA
1.25
1.30
V
0.7
3.5
0.3
0.003
65
80
10
%/VOUT
mA
A
%/VOUT
dB
Note: CADJ is connected between Adjust pin and Ground.
UNISONIC TECHNOLOGIES CO., LTD
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QW-R101-009,K
LM317
„
LINEAR INTEGRATED CIRCUIT
APPLICATION CIRCUITS
VIN
3
UTC LM317
1
VADJ
VOUT
2
240
D1
1N4001
VIN
3
UTC LM317
R1
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
UNISONIC TECHNOLOGIES CO., LTD
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Fig.4 Constant Current Application
4 of 5
QW-R101-009,K
LM317
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
125
Temperature
55
50
45
40
35
-50
-25
0
25
50
75
100
125
Temperature
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-R101-009,K
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