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LM317LM 데이터시트(PDF) 3 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
부품명 LM317LM
상세설명  3-Terminal Adjustable Regulator
Download  17 Pages
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제조업체  NSC [National Semiconductor (TI)]
홈페이지  http://www.national.com
Logo NSC - National Semiconductor (TI)

LM317LM 데이터시트(HTML) 3 Page - National Semiconductor (TI)

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Absolute Maximum Ratings (Note 1)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Power Dissipation
Internally Limited
Input-Output Voltage Differential
40V
Operating Junction Temperature
Range
−40˚C to +125˚C
Storage Temperature
−55˚C to +150˚C
Lead Temperature
(Soldering, 4 seconds)
260˚C
Output is Short Circuit Protected
ESD rating to be determined.
Electrical Characteristics (Note 2)
Parameter
Conditions
Min
Typ
Max
Units
Line Regulation
T
J = 25˚C, 3V ≤ (VIN −VOUT) ≤ 40V, IL ≤ 20mA (Note 3)
0.01
0.04
%/V
Load Regulation
T
J = 25˚C, 5mA ≤ IOUT ≤ IMAX, (Note 3)
0.1
0.5
%
Thermal Regulation
T
J = 25˚C, 10ms Pulse
0.04
0.2
%/W
Adjustment Pin Current
50
100
µA
Adjustment Pin Current
5mA
≤ I
L ≤ 100mA
0.2
5
µA
Change
3V
≤ (V
IN −VOUT) ≤ 40V, P ≤ 625mW
Reference Voltage
3V
≤ (V
IN −VOUT) ≤ 40V, (Note 4)
1.20
1.25
1.30
V
5mA
≤ I
OUT ≤ 100mA, P ≤ 625mW
Line Regulation
3V
≤ (V
IN −VOUT) ≤ 40V, IL ≤ 20mA (Note 3)
0.02
0.07
%/V
Load Regulation
5mA
≤ I
OUT ≤ 100mA, (Note 3)
0.3
1.5
%
Temperature Stability
T
MIN ≤ TJ ≤ TMax
0.65
%
Minimum Load Current
(V
IN −VOUT) ≤ 40V
3.5
5
mA
3V
≤ (V
IN −VOUT) ≤ 15V
1.5
2.5
Current Limit
3V
≤ (V
IN −VOUT) ≤ 13V
100
200
300
mA
(V
IN −VOUT) = 40V
25
50
150
mA
Rms Output Noise, % of V
OUT
T
J = 25˚C, 10Hz ≤ f ≤ 10kHz
0.003
%
Ripple Rejection Ratio
V
OUT = 10V, f = 120Hz, CADJ = 0
65
dB
C
ADJ = 10µF
66
80
dB
Long-Term Stability
T
J = 125˚C, 1000 Hours
0.3
1
%
Thermal Resistance
Z Package 0.4" Leads
180
˚C/W
Junction to Ambient
Z Package 0.125 Leads
160
˚C/W
SO-8 Package
165
˚C/W
6-Bump micro SMD
290
˚C/W
Thermal Rating of SO
Package
165
˚C/W
Note 1: “Absolute Maximum Ratings” indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for which the device is
functional, but do not guarantee specific performance limits.
Note 2: Unless otherwise noted, these specifications apply: −25˚C
≤ Tj ≤ 125˚C for the LM317L; VIN −VOUT = 5V and IOUT = 40 mA. Although power dissipation
is internally limited, these specifications are applicable for power dissipations up to 625 mW. IMAX is 100 mA.
Note 3: Regulation is measured at constant junction temperature, using pulse testing with a low duty cycle. Changes in output voltage due to heating effects are cov-
ered under the specification for thermal regulation.
Note 4: Thermal resistance of the TO-92 package is 180˚C/W junction to ambient with 0.4" leads from a PC board and 160˚C/W junction to ambient with 0.125" lead
length to PC board.
www.national.com
3


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