LM317T 데이터 시트보기 (PDF) - Fairchild Semiconductor
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LM317T Datasheet PDF : 8 Pages
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LM317
Absolute Maximum Ratings
Parameter
Input-Output Voltage Differential
Lead Temperature
Power Dissipation
Operating Junction Temperature Range
Storage Temperature Range
Temperature Coefficient of Output Voltage
Symbol
VI - VO
TLEAD
PD
Tj
TSTG
∆Vo/∆T
Value
40
230
Internally limited
0 ~ +125
-65 ~+125
±0.02
Unit
V
°C
W
°C
°C
%/°C
Electrical Characteristics
(VI-VO=5V, IO= 0.5A, 0°C ≤ TJ ≤ + 125°C, IMAX = 1.5A, PDMAX = 20W, unless otherwise specified)
Parameter
Line Regulation (Note1)
Load Regulation (Note1)
Adjustable Pin Current
Adjustable Pin Current Change
Reference Voltage
Temperature Stability
Minimum Load Current to Maintain
Regulation
Maximum Output Current
RMS Noise, % of VOUT
Ripple Rejection
Long-Term Stability, TJ = THIGH
Thermal Resistance Junction to
Case
Symbol
Rline
Rload
IADJ
∆IADJ
VREF
STT
IL(MIN)
IO(MAX)
eN
RR
ST
RθJC
Conditions
Min
TA = +25°C
3V ≤ VI - VO ≤ 40V
-
3V ≤ VI - VO ≤ 40V
-
TA = +25°C, 10mA ≤ IO ≤ IMAX
VO< 5V
-
VO ≥ 5V
10mA ≤ IO ≤ IMAX
VO < 5V
-
VO ≥ 5V
-
-
3V ≤ VI - VO ≤ 40V
10mA ≤ IO ≤ IMAX PD ≤ PMAX
-
3V ≤ VIN - VO ≤ 40V
10mA ≤ IO ≤ IMAX
PD ≤ PMAX
1.20
-
-
Typ.
0.01
0.02
18
0.4
40
0.8
46
2.0
1.25
0.7
VI - VO = 40V
- 3.5
VI - VO ≤ 15V, PD ≤ PMAX
VI - VO ≤ 40V, PD ≤ PMAX
TA=25°C
1.0
2.2
0.3
TA= +25°C, 10Hz ≤ f ≤ 10KHz - 0.003
VO = 10V, f = 120Hz
without CADJ
CADJ = 10µF (Note2)
66 60
75
TA = +25°C for end point
measurements, 1000HR
- 0.3
-
-
5
Max.
0.04
0.07
Unit
%/V
%/V
25 mV% / VO
0.5
70 mV% / VO
1.5
100
µA
5
µA
1.30
V
-
% / VO
12
mA
-
A
0.01 % / VO
-
dB
1
%
-
°C / W
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.
2
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