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LM317AHVT Scheda tecnica(PDF) 2 Page - Fairchild Semiconductor

Il numero della parte LM317AHVT
Spiegazioni elettronici  3-Terminal Positive Adjustable Regulator
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Produttore elettronici  FAIRCHILD [Fairchild Semiconductor]
Homepage  http://www.fairchildsemi.com
Logo FAIRCHILD - Fairchild Semiconductor

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LM317AHV
2
Absolute Maximum Ratings
Electrical Characteristics
(VI-VO=5V, IO= 0.5A, 0°C ≤ TJ ≤ + 125°C, IMAX = 1.5A, PDMAX = 20W, unless otherwise specified)
Note :
1. Load and line regulation are specified at constant junction temperature. Change in VD due to heating effects must be taken
into account separately. Pulse testing with low duty is used. (PMAX = 20W)
2. CADJ, when used, is connected between the adjustment pin and ground.
Parameter
Symbol
Value
Unit
Input-Output Voltage Differential
VI - VO
60
V
Lead Temperature
TLEAD
230
°C
Power Dissipation
PD
Internally limited
W
Operating Junction Temperature Range
Tj
0 ~ +125
°C
Storage Temperature Range
TSTG
-65 ~ +125
°C
Temperature Coefficient of Output Voltage
ΔVo/ΔT
±0.02
%/
°C
Parameter
Symbol
Conditions
Min.
Typ.
Max.
Unit
Line Regulation (Note1)
Rline
TA = +25°C
3V
≤ VI - VO ≤ 60V
-
0.01
0.04
%/V
3V
≤ VI - VO ≤ 60V
-
0.02
0.07
%/V
Load Regulation (Note1)
Rload
TA = +25°C, 10mA ≤IO ≤IMAX
VO< 5V
VO ≥ 5V
-18
0.4
25
0.5
mV
%/VO
10mA
≤ IO ≤ IMAX
VO < 5V
VO ≥ 5V
-40
0.8
70
1.5
mV
%/VO
Adjustable Pin Current
IADJ
--
46
100
μA
Adjustable Pin Current Change
ΔIADJ
3V
≤ VI - VO ≤60V
10mA
≤ IO ≤ IMAX, PD ≤ PMAX
-2.0
5
μA
Reference Voltage
VREF
3V
≤ VIN - VO ≤60V
10mA
≤ IO ≤ IMAX, PD ≤ PMAX
1.20
1.25
1.30
V
Temperature Stability
STT
--
0.7
-
%/VO
Minimum Load Current to Maintain
Regulation
IL(MIN)
VI - VO = 60V
-
3.5
12
mA
Maximum Output Current
IO(MAX)
VI - VO ≤ 15V, PD ≤ PMAX
VI - VO ≤ 60V, PD ≤ PMAX
TA = 25°C
1.0
2.2
0.3
-A
RMS Noise, % of VOUT
eN
TA= +25°C, 10Hz ≤ f ≤ 10kHz
-
0.003
0.01
%/VO
Ripple Rejection
RR
VO = 10V, f = 120Hz
without CADJ
CADJ = 10μF (Note2)
66
60
75
-dB
Long-Term Stability, TJ = THIGH
ST
TA = +25°C for end point
measurements, 1000HR
-0.3
1
%
Thermal Resistance Junction to Case
R
θJC
-
-5
-
°C/W


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