LM217MX PDF даташит
Спецификация LM217MX изготовлена «STMicroelectronics» и имеет функцию, называемую «MEDIUM CURRENT 1.2 TO 37V ADJUSTABLE VOLTAGE REGULATOR». |
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Детали детали
Номер произв | LM217MX |
Описание | MEDIUM CURRENT 1.2 TO 37V ADJUSTABLE VOLTAGE REGULATOR |
Производители | STMicroelectronics |
логотип |
11 Pages
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LM217M
LM317M
MEDIUM CURRENT
1.2 TO 37V ADJUSTABLE VOLTAGE REGULATOR
s OUTPUT VOLTAGE RANGE : 1.2 TO 37V
s OUTPUT CURRENT IN EXCESS OF 500 mA
s LINE REGULATION TYP. 0.01%
s LOAD REGULATION TYP. 0.1%
s THERMAL OVERLOAD PROTECTION
s SHORT CIRCUIT PROTECTION
s OUTPUT TRANSISTOR SAFE AREA
COMPENSATION
s FLOATING OPERATION FOR HIGH
VOLTAGE APPLICATIONS
DESCRIPTION
The LM217M/LM317M are monolithic integrated
circuits in TO-220, DPAK, SOT-82 and SOT-194
packages intended for use as positive adjustable
voltage regulators.
They are designed to supply until 500 mA of load
current with an output voltage adjustable over a
1.2 to 37V range.
The nominal output voltage is selected by means
of only a resistive divider, making the device
exceptionally easy to use and eliminating the
stocking of many fixed regulators.
SCHEMATIC DIAGRAM
TO-220
SOT-82
DPAK
TO-252
SOT-194
September 1997
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LM217M/LM317M
ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
Vi - Vo Input-Output Differential Voltage
Pd Power Dissipation
To pr Operating Junction Temperature Range (*) for LM217M
for LM317M
Tstg Storage Temperature Range
(*) Re-Boot is not guaranteed for Tj ≥ 85 oC
THERMAL DATA
Symbol
Parameter
Rthj-ca se Thermal Resistance Junction-case
Rthj-a mb Thermal Resistance Junction-ambient
Value
40
Internally Limited
-40 to 125
0 to 125
-55 to 150
Unit
V
oC
oC
oC
Max
Max
SOT-82
SOT-194
DPAK
8
100
TO-220
Unit
3 oC/W
50 oC/W
PIN CONNECTION AND ORDERING NUMBERS
TO-220
SOT-82
DPAK
SOT-194
Type
LM217M
LM317M
TEST CIRCUIT
TO-220
LM217MT
LM317MT
DPAK
LM217MDT
LM317MDT
SOT-82
LM217MX
LM317MX
SOT-194
LM217MS
LM317MS
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LM217M/LM317M
ELECTRICAL CHARACTERISTICS FOR LM217M (Refer to the test circuits, -40 ≤ Tj ≤ 125 oC
Vi - Vo = 5 V, Io = 100 mA, Pd ≤ 7.5W, unless otherwise specified)
Symbol
Parameter
∆Vo Line Regulation
Test Conditions
Vi - Vo = 3 to 40 V
Tj = 25 oC
Min.
Typ.
0 .0 1
Max.
0 .0 2
∆Vo Load Regulation
Vo ≤ 5V
Io = 10 mA to 500 mA
Vo ≥ 5V
Io = 10 mA to 500 mA
Tj = 25 oC
Tj = 25 oC
0 .0 2
5
20
0.1
0.3
0 .0 5
15
50
0.3
1
IADJ Adjustment Pin Current
50 100
∆IADJ Adjustment Pin Current
VREF Reference Voltage
∆Vo Output Voltage Temperature
Vo Stability
Vi - Vo = 3 to 40 V
Io = 10 mA to 500 mA
Vi - Vo = 3 to 40 V
Io = 10 mA to 500 mA
0.2 5
1.2 1.25 1.3
0.7
Io(min) Minimum Load Current
Vi - Vo = 40 V
3.5 5
Io( max) Maximum Output Current
Vi - Vo ≤15V
Vi - Vo =40V, Pd < PdMAX, Tj =25oC
500 1000
2 00
eN
SVR
Output Noise Voltage
(percentance of VO)
Supply Voltage Rejection (*)
B = 10Hz to 10KHz
Tj = 25 oC
Tj = 25 oC
f = 120 Hz
0. 003
C ADJ =0
C ADJ = 10µ F
66
65
80
(*) CADJ is connected between Adjust pin and Ground.
Unit
% /V
% /V
mV
mV
%/Vo
%/Vo
µA
µA
V
%
mA
mA
%
dB
dB
ELECTRICAL CHARACTERISTICS FOR LM317M (Refer to the test circuits, 0 ≤ Tj ≤ 125 oC
Vi - Vo = 5 V, Io = 100 mA, Pd ≤ 7.5W, unless otherwise specified)
Symbol
Parameter
∆Vo Line Regulation
Test Conditions
Vi - Vo = 3 to 40 V
Tj = 25 oC
Min.
Typ.
0 .0 1
Max.
0 .0 4
∆Vo Load Regulation
Vo ≤ 5V
Io = 10 mA to 500 mA
Vo ≥ 5V
Io = 10 mA to 500 mA
Tj = 25 oC
Tj = 25 oC
0 .0 2
5
20
0.1
0.3
0 .0 7
25
70
0.5
1.5
IADJ Adjustment Pin Current
50 100
∆IADJ Adjustment Pin Current
VREF Reference Voltage
∆Vo Output Voltage Temperature
Vo Stability
Vi - Vo = 3 to 40 V
Io = 10 mA to 500 mA
Vi - Vo = 3 to 40 V
Io = 10 mA to 500 mA
0.2 5
1.2 1.25 1.3
0.7
Io(min) Minimum Load Current
Io( max) Maximum Output Current
Vi - Vo = 40 V
Vi - Vo ≤15V
Vi - Vo =40V, Pd < PdMAX, Tj =25oC
3.5
500 1000
2 00
10
eN
SVR
Output Noise Voltage
(percentance of VO)
Supply Voltage Rejection (*)
B = 10Hz to 10KHz
Tj = 25 oC
Tj = 25 oC
f = 120 Hz
0. 003
C ADJ =0
C ADJ = 10µ F
66
65
80
(*) CADJ is connected between Adjust pin and Ground.
Unit
% /V
% /V
mV
mV
%/Vo
%/Vo
µA
µA
V
%
mA
mA
%
dB
dB
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Номер в каталоге | Описание | Производители |
LM217M | MEDIUM CURRENT 1.2 TO 37V ADJUSTABLE VOLTAGE REGULATOR | STMicroelectronics |
LM217MDT | MEDIUM CURRENT 1.2 TO 37V ADJUSTABLE VOLTAGE REGULATOR | STMicroelectronics |
LM217MS | MEDIUM CURRENT 1.2 TO 37V ADJUSTABLE VOLTAGE REGULATOR | STMicroelectronics |
LM217MT | MEDIUM CURRENT 1.2 TO 37V ADJUSTABLE VOLTAGE REGULATOR | STMicroelectronics |
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