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LM317LZRA 数据表(PDF) 3 Page - ON Semiconductor

部件名 LM317LZRA
功能描述  100 mA Adjustable Output, Positive Voltage Regulator
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制造商  ONSEMI [ON Semiconductor]
网页  http://www.onsemi.com
标志 ONSEMI - ON Semiconductor

LM317LZRA 数据表(HTML) 3 Page - ON Semiconductor

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LM317L, NCV317LB
http://onsemi.com
3
ELECTRICAL CHARACTERISTICS (VI-VO = 5.0 V; IO = 40 mA; TJ = Tlow to Thigh (Note 3); Imax and Pmax (Note 4);
unless otherwise noted.)
LM317L, LB, NCV317LB
Characteristics
Figure
Symbol
Min
Typ
Max
Unit
Line Regulation (Note 5)
TA = 25°C, 3.0 V ≤ VI - VO ≤ 40 V
1
Regline
-
0.01
0.04
%/V
Load Regulation (Note 5), TA = 25°C
10 mA
≤ IO ≤ Imax - LM317L
VO ≤ 5.0 V
VO ≥ 5.0 V
2
Regload
-
-
5.0
0.1
25
0.5
mV
% VO
Adjustment Pin Current
3
IAdj
-
50
100
mA
Adjustment Pin Current Change
2.5 V
≤ VI - VO ≤ 40 V, PD ≤ Pmax
10 mA
≤ IO ≤ Imax - LM317L
1, 2
DIAdj
-
0.2
5.0
mA
Reference Voltage
3.0 V
≤ VI - VO ≤ 40 V, PD ≤ Pmax
10 mA
≤ IO ≤ Imax - LM317L
3
Vref
1.20
1.25
1.30
V
Line Regulation (Note 5), 3.0 V
≤ VI - VO ≤ 40 V
1
Regline
-
0.02
0.07
%/V
Load Regulation (Note 5)
10 mA
≤ IO ≤ Imax - LM317L
VO ≤ 5.0 V
VO ≥ 5.0 V
2
Regload
-
-
20
0.3
70
1.5
mV
% VO
Temperature Stability (Tlow ≤ TJ ≤ Thigh)
3
TS
-
0.7
-
% VO
Minimum Load Current to Maintain Regulation (VI - VO = 40 V)
3
ILmin
-
3.5
10
mA
Maximum Output Current
VI - VO ≤ 6.25 V, PD ≤ Pmax, Z Package
VI - VO ≤ 40 V, PD ≤ Pmax, TA = 25°C, Z Package
3
Imax
100
-
200
20
-
-
mA
RMS Noise, % of VO
TA = 25°C, 10 Hz ≤ f ≤ 10 kHz
-
N
-
0.003
-
% VO
Ripple Rejection (Note 6)
VO = 1.2 V, f = 120 Hz
CAdj = 10 mF, VO = 10.0 V
4
RR
60
-
80
80
-
-
dB
Thermal Shutdown (Note 7)
-
-
-
180
-
°C
Long Term Stability, TJ = Thigh (Note 8)
TA = 25°C for Endpoint Measurements
3
S
-
0.3
1.0
%/1.0 k
Hrs.
3. Tlow to Thigh = 0° to +125°C for LM317L
-40
° to +125°C for LM317LB, NCV317LB
4. Imax = 100 mAPmax = 625 mW
5. Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must be taken into account
separately. Pulse testing with low duty cycle is used.
6. CAdj, when used, is connected between the adjustment pin and ground.
7. Thermal characteristics are not subject to production test.
8. Since Long-Term Stability cannot be measured on each device before shipment, this specification is an engineering estimate of average
stability from lot to lot.


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