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LM317MDT-TR Datasheet(PDF) 6 Page - STMicroelectronics

Part # LM317MDT-TR
Description  Medium current 1.2 to 37 V adjustable voltage regulator
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

LM317MDT-TR Datasheet(HTML) 6 Page - STMicroelectronics

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Electrical characteristics
LM217M - LM317M
6/21
4
Electrical characteristics
Table 4.
Electrical characteristics of LM217M (refer to the test circuits, TJ = - 40 to 125 °C,
VI - VO = 5 V, IO = 100 mA, PD 7.5 W, unless otherwise specified)
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit
ΔVO
Line regulation
VI - VO = 3 to 40 V
TJ = 25°C
0.01
0.02
%/V
0.02
0.05
ΔVO
Load regulation
VO ≤5 V
IO = 10 to 500mA
TJ = 25°C
5
15
mV
20
50
VO ≥ 5 V
IO = 10 to 500mA
TJ = 25°C
0.1
0.3
%/VO
0.3
1
IADJ
Adjustment pin current
50
100
µA
ΔIADJ Adjustment pin current
VI - VO = 3 to 40 V, IO = 10 to 500 mA
0.2
5
µA
VREF
Reference voltage
VI - VO = 3 to 40 V, IO = 10 to 500 mA
1.2
1.25
1.3
V
ΔVO/VO
Output voltage
temperature stability
0.7
%
IO(min)
Minimum load current
VI - VO = 40 V
3.5
5
mA
IO(max) Maximum output current
VI - VO ≤15 V
500
1000
mA
VI - VO = 40 V, Pd < PDMAX, TJ = 25°C
200
eN
Output noise voltage
(percentage of VO)
B = 10 Hz to 100 kHz, TJ = 25°C
0.003
%
SVR
Supply voltage rejection (1)
1.
CADJ is connected between Adjust pin and Ground.
TJ = 25°C
f = 120 Hz
CADJ = 0
65
dB
CADJ = 10 µF
66
80


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