LM3171 查看數據表（PDF） - Fairchild Semiconductor
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LM3171 Datasheet PDF : 8 Pages
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LM317L
Absolute Maximum Ratings
Parameter
Input-Output Voltage Differential
Power Dissipation
Operating Junction Temperature Range
Storage Temperature Range
Symbol
VI - VO
PD
Tj
TSTG
Value
40
Internally limited
0 ~ +125
-65 ~+125
Unit
V
W
°C
°C
Electrical Characteristics
(VI - VO = 5V, IO = 40mA, 0°C ≤ TJ ≤ +125°C, PDMAX = 625mW, unless otherwise specified)
Parameter
*Line Regulation
*Load Regulation
Adjustment Pin Current
Adjustment 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
Symbol
Rline
Rloal
IADJ
∆IADJ
VREF
STT
Conditions
TA = +25°C
3V ≤ VI − VO ≤ 40V
3V ≤ VI − VO ≤ 40V
TA = +25°C
10mA ≤ IO ≤100mA
VO ≤ 5V
VO ≥5V
10mA ≤ IO ≤ 100mA
VO ≤ 5V
VO ≥ 5V
-
3V ≤ VI - VO ≤ 40V
10mA ≤ IO ≤ 100mA
PD < PDMAX
3V < VI - VO <40V
10mA ≤ IO ≤100mA
PD ≤ PDMAX
-
IL(MIN) VI - VO = 40V
IO(MAX)
eN
RR
ST
VI - VO ≤ 15V
PD < PDMAX
VI - VO ≤ 40V
PD < PDMAX, TA = +25°C
TA =+ 25°C
10Hz < f <10KHz
VO = 10V, f = 120Hz
without CADJ
CADJ = 10uF
TJ = +125 °C, 1000 Hours
Min. Typ. Max. Unit
-
0.01 0.04 %/V
-
0.02 0.07
-
5
25 mV
0.1 0.5 %/ VO
-
20
70
mV
0.3 1.5 %/ VO
-
50 100 µA
-
0.2
5
µA
1.20 1.25 1.30
V
-
0.7
-
%
-
3.5
10
mA
100 200
-
mA
25
50
-
- 0.003 - %/ VO
66
65
80
-
dB
-
0.3
-
%
• Load and Line regulation are specified at constant junction temperature. Change in VO due to heating effects must be taken
into account separately. Pulse testing with low duty cycle is used.
2
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