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LM317LIPWR Datenblatt(PDF) 3 Page - Texas Instruments

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Teilenummer LM317LIPWR
Bauteilbeschribung  3-TERMINAL ADJUSTABLE REGULATOR
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Hersteller  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
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LM317L
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SLCS144D
– JULY 2004 – REVISED OCTOBER 2011
Absolute Maximum Ratings
(1)
over operating temperature range (unless otherwise noted)
MIN
MAX
UNIT
Vl – VO
Input-to-output differential voltage
35
V
D package(3)
97.1
LP package(3)
139.5
θJA
Package thermal impedance(2)
°C/W
PK package(4)
51.5
PW package(3)
149.4
TJ
Operating virtual-junction temperature
150
°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.
(2)
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.
(3)
The package thermal impedance is calculated in accordance with JESD 51-7.
(4)
The package thermal impedance is calculated in accordance with JESD 51-5.
Recommended Operating Conditions
MIN
MAX
UNIT
VI – VO
Input-to-output voltage differential
35
V
IO
Output current
2.5
100
mA
LM317LC
0
125
TJ
Operating virtual-junction temperature
°C
LM317LI
–40
125
Electrical Characteristics
over recommended operating virtual-junction temperature range (unless otherwise noted)
PARAMETER
TEST CONDITIONS(1)
MIN
TYP
MAX
UNIT
TJ = 25°C
0.01
0.02
Input voltage regulation(2)
VI – VO = 5 V to 35 V
%V
IO = 2.5 mA to 100 mA
0.02
0.05
VO = 10 V,
f = 120 Hz
65
Ripple regulation
dB
VO = 10 V,
66
80
10-
μF capacitor between ADJUSTMENT and ground
VO ≤ 5 V
25
mV
VI = 5 V to 35 V, TJ = 25°C,
IO = 2.5 mA to 100 mA,
VO ≥ 5 V
5
mV/V
Output voltage regulation
VO ≤ 5 V
50
mV
VI = 5 V to 35 V,
IO = 2.5 mA to 100 mA
VO ≥ 5 V
10
mV/V
Output voltage change with temperature
TJ = 0°C to 125°C
10
mV/V
Output voltage long-term drift
After 1000 hours at TJ = 125°C and VI – VO = 35 V
3
10
mV/V
Output noise voltage
f = 10 Hz to 10 kHz,
TJ = 25°C
30
μV/V
Minimum output current to maintain regulation
VI – VO = 35 V
1.5
2.5
mA
Peak output current
VI – VO ≤ 35 V
100
200
mA
ADJUSTMENT current
50
100
μA
Change in ADJUSTMENT current
VI – VO = 2.5 V to 35 V,
IO = 2.5 mA to 100 mA
0.2
5
μA
VI – VO = 5 V to 35 V,
IO = 2.5 mA to 100 mA,
Reference voltage (output to ADJUSTMENT)
1.2
1.25
1.3
V
P
≤ rated dissipation
(1)
Unless otherwise noted, these specifications apply for the following test conditions: VI – VO = 5 V and IO = 40 mA. Pulse-testing
techniques must be used that maintain the junction temperature as close to the ambient temperature as possible. All characteristics are
measured with a 0.1-
μF capacitor across the input and a 1-μF capacitor across the output.
(2)
Input voltage regulation is expressed here as the percentage change in output voltage per 1-V change at the input.
Copyright
© 2004–2011, Texas Instruments Incorporated
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