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LM317MBDTG データシート(PDF) 2 Page - ON Semiconductor

部品番号 LM317MBDTG
部品情報  500 mA Adjustable Output, Positive Voltage Regulator
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メーカー  ONSEMI [ON Semiconductor]
ホームページ  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor

LM317MBDTG データシート(HTML) 2 Page - ON Semiconductor

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LM317M, NCV317MAB, NCV317MB
http://onsemi.com
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MAXIMUM RATINGS (TA = 25°C, unless otherwise noted.)
Rating
Symbol
Value
Unit
Input−Output Voltage Differential
VI−VO
40
Vdc
Power Dissipation (Package Limitation) (Note 1)
Plastic Package, T Suffix, Case 221A
TA = 25°C
Thermal Resistance, Junction−to−Air
Thermal Resistance, Junction−to−Case
Plastic Package, DT Suffix, Case 369C
TA = 25°C
Thermal Resistance, Junction−to−Air
Thermal Resistance, Junction−to−Case
Plastic Package, ST Suffix, Case 318E
TA = 25°C
Thermal Resistance, Junction−to−Air
Thermal Resistance, Junction−to−Case
PD
qJA
qJC
PD
qJA
qJC
PD
qJA
qJC
Internally Limited
70
5.0
Internally Limited
92
5.0
Internally Limited
245
15
°C/W
°C/W
°C/W
°C/W
°C/W
°C/W
Operating Junction Temperature Range
TJ
−40 to +150
°C
Storage Temperature Range
Tstg
−65 to +150
°C
Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the
Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect
device reliability.
1. Figure 25 provides thermal resistance versus PC board pad size.
ELECTRICAL CHARACTERISTICS (VI − VO = 5.0 V; IO = 0.1 A, TJ = Tlow to Thigh (Note 2), unless otherwise noted.)
Characteristics
Figure
Symbol
LM317M / LM317MB/NCV317MB
Unit
Min
Typ
Max
Line Regulation (Note 3) (TA = 25°C, 3.0 V ≤ VI − VO ≤ 40 V)
3
Regline
0.01
0.04
%/V
Load Regulation (Note 3)
TA = 25°C, 10 mA ≤ IO ≤ 0.5 A
VO ≤ 5.0 V
VO ≥ 5.0 V
4
Regload
5.0
0.1
25
0.5
mV
% VO
Adjustment Pin Current
5
IAdj
50
100
mA
Adjustment Pin Current Change
2.5 V ≤ VI − VO ≤ 40 V, 10 mA ≤ IL ≤ 0.5 A, PD ≤ Pmax
3, 4
DIAdj
0.2
5.0
mA
Reference Voltage
3.0 V ≤ VI − VO ≤ 40 V, 10 mA ≤ IL ≤ 0.5 A, PD ≤ Pmax
5
Vref
1.20
1.25
1.30
V
Line Regulation 3.0 V ≤ VI−VO ≤ 40 V (Note 3)
3
Regline
0.02
0.07
%/V
Load Regulation 10 mA ≤ IO ≤ 0.5 A (Note 3)
VO ≤ 5.0 V
VO ≥ 5.0 V
4
Regload
20
0.3
70
1.5
mV
% VO
Temperature Stability (Tlow ≤ TJ ≤ Thigh)
5
TS
0.7
% VO
Minimum Load Current to Maintain Regulation (VI − VO = 40 V)
5
ILmin
3.5
10
mA
Maximum Output Current
VI − VO ≤ 15 V, PD ≤ Pmax
VI − VO = 40 V, PD ≤ Pmax, TA = 25°C
5
Imax
0.5
0.15
0.9
0.25
A
RMS Noise, % of VO (TA = 25°C, 10 Hz ≤ f ≤ 10 kHz)
N
0.003
% VO
Ripple Rejection, VO = 10 V, f = 120 Hz (Note 4)
Without CAdj
CAdj = 10 mF
6
RR
66
65
80
dB
Thermal Shutdown (Note 5)
180
°C
Long−Term Stability, TJ = Thigh (Note 6)
TA= 25°C for End−point Measurements
5
S
0.3
1.0
%/1.0
kHrs.
2. Tlow to Thigh = 0° to +125°C for LM317M
Tlow to Thigh = −40° to +125°C for LM317MB, NCV317MB.
3. 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.
4. CAdj, when used, is connected between the adjustment pin and ground.
5. Thermal characteristics are not subject to production test.
6. 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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