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LM317M Datasheet(PDF) 2 Page - TI store

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Part No. LM317M
Description  3-TERMINAL ADJUSTABLE REGULATOR
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Maker  TI [TI store]
Homepage  http://www.ti.com
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Absolute Maximum Ratings
(1)
Package Thermal Data
(1)
Recommended Operating Conditions
Electrical Characteristics
LM317M
3-TERMINAL ADJUSTABLE REGULATOR
SLVS297O – APRIL 2000 – REVISED JULY 2006
over operating temperature range (unless otherwise noted)
MIN
MAX
UNIT
VI – VO
Input-to-output differential voltage
40
V
TJ
Operating virtual junction temperature
150
°C
Lead temperature (within 5 mils of the plastic body for 10 s)
KTP, DCY packages
260
°C
Tstg
Storage temperature range
–65
150
°C
(1)
Stresses beyond those listed under "absolute maximum ratings" may cause permanent damage to the device. These are stress ratings
only, and functional operation of the device at these or any other conditions beyond those indicated under "recommended operating
conditions" is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
PACKAGE
BOARD
θ
JC
θ
JCB
θ
JA
PowerFLEX (KTP)
High K, JESD 51-5
3
°C/W
28
°C/W
SOT-223 (DCY)
High K, JESD 51-7
30.6
°C/W
53
°C/W
TO-252 (KVU)
High K, JESD 51-5
30.3
°C/W
(1)
Maximum power dissipation is a function of TJ(max), θJA, and TA. The maximum allowable power dissipation at any allowable ambient
temperature is PD = (TJ(max) – TA)/θJA. Operating at the absolute maximum TJ of 150°C can affect reliability.
MIN
MAX
UNIT
VI – VO
Input-to-output voltage differential
37
V
IO
Output current
0.5
A
No suffix
0
125
TJ
Operating virtual junction temperature
°C
Q suffix
–40
125
over recommended operating virtual-junction temperature range, V
I – VO = 5 V, IO = 0.1 A (unless otherwise noted)
PARAMETER
TEST CONDITIONS(1)
MIN
TYP
MAX
UNIT
TJ = 25°C
0.01
0.04
Line regulation(2)
VI – VO = 3 V to 40 V
%/V
Full temperature range
0.02
0.07
TJ = 25°C
0.1
0.5
Load regulation
IO = 10 mA to 500 mA
%VO
Full temperature range
0.3
1.5
ADJUST terminal current
50
100
µA
Change in ADJUST terminal current
VI – VO = 3 V to 40 V,
IO = 10 mA to 500 mA
0.2
5
µA
Reference voltage
VI – VO = 3 V to 40 V,
IO = 10 mA to 500 mA
1.2
1.25
1.3
V
Output-voltage temperature stability
0.7
%
Minimum load current
3.5
10
mA
to maintain regulation
VI – VO ≤ 15 V
500
900
Maximum output current
mA
VI – VO = 40 V, PD ≤ PD(max),
TJ = 25°C
150
250
RMS output noise voltage (% of VO)
f = 10 Hz to 10 kHz,
TJ = 25°C
0.003
%VO
CADJ = 0(3)
65
VO = 10 V, f = 120 Hz,
Ripple rejection
dB
TJ = 25°C
CADJ = 10 µF(3)
66
80
Long-term stability
TJ = 25°C
0.3
1
%/1k hrs
(1)
Pulse-testing techniques are used to maintain the junction temperature as close to the ambient temperature as possible.
(2)
Line voltage regulation is expressed here as the percentage change in output voltage per 1-V change at the input.
(3)
CADJ is connected between the ADJUST terminal and ground.
2
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