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LM317KTTR датащи(PDF) 5 Page - Texas Instruments

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номер детали LM317KTTR
подробное описание детали  3-Terminal Adjustable Regulator
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производитель  TI1 [Texas Instruments]
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LM317KTTR датащи(HTML) 5 Page - Texas Instruments

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LM317
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SLVS044W – SEPTEMBER 1997 – REVISED OCTOBER 2014
7.5 Electrical Characteristics
over recommended ranges of operating virtual junction temperature (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
TJ = 0°C to 125°C
0.02
0.07
VO ≤ 5 V
25
mV
CADJ
(3) = 10 μF,
TJ = 25°C
VO ≥ 5 V
0.1
0.5
%VO
Load regulation
IO = 10 mA to 1500 mA
VO ≤ 5 V
20
70
mV
TJ = 0°C to 125°C
VO ≥ 5 V
0.3
1.5
%VO
Thermal regulation
20-ms pulse,
TJ = 25°C
0.03
0.07
%VO/W
ADJUST terminal current
50
100
μA
Change in
VI – VO = 2.5 V to 40 V, PD ≤ 20 W, IO = 10 mA to 1500 mA
0.2
5
μA
ADJUST terminal current
Reference voltage
VI – VO = 3 V to 40 V, PD ≤ 20 W, IO = 10 mA to 1500 mA
1.2
1.25
1.3
V
Output-voltage
TJ = 0°C to 125°C
0.7
%VO
temperature stability
Minimum load current
VI – VO = 40 V
3.5
10
mA
to maintain regulation
VI – VO ≤ 15 V,
PD < PMAX
(4)
1.5
2.2
Maximum output current
A
VI – VO ≤ 40 V,
PD < PMAX
(4),
TJ = 25°C
0.15
0.4
RMS output noise voltage
f = 10 Hz to 10 kHz,
TJ = 25°C
0.003
%VO
(% of VO)
CADJ = 0 μF
(3)
57
Ripple rejection
VO = 10 V,
f = 120 Hz
dB
CADJ = 10 μF
(3)
62
64
Long-term stability
TJ = 25°C
0.3
1
%/1k hr
(1)
Unless otherwise noted, the following test conditions apply: |VI – VO| = 5 V and IOMAX = 1.5 A, TJ = 0°C to 125°C. Pulse testing
techniques are used to maintain the junction temperature as close to the ambient temperature as possible.
(2)
Line 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 GND.
(4)
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.
Copyright © 1997–2014, Texas Instruments Incorporated
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