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LM317LCPW Datasheet(PDF) 5 Page - Texas Instruments

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No. de pieza LM317LCPW
Descripción Electrónicos  3-Terminal Adjustable Regulator
Download  29 Pages
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Fabricante Electrónico  TI1 [Texas Instruments]
Página de inicio  http://www.ti.com
Logo TI1 - Texas Instruments

LM317LCPW Datasheet(HTML) 5 Page - Texas Instruments

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background image
0
1
2
±40
±15
10
35
60
85
110
Operating temperature (
ƒC)
ûIADJ
C001
LM317L
www.ti.com
SLCS144E – JULY 2004 – REVISED OCTOBER 2014
7.5 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,
Reference voltage (output to ADJUSTMENT)
IO = 2.5 mA to 100 mA,
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.
7.6 Typical Characteristics
Figure 1. Change in Adjustment Current Over Temperature
Copyright © 2004–2014, Texas Instruments Incorporated
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Product Folder Links: LM317L


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