LM78M00 데이터 시트보기 (PDF) - First Components International
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LM78M00 Datasheet PDF : 7 Pages
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LM78M00Series-Terminal Low Current
Positive Voltage Regulators
LM78M20 ELECTRICAL CHARACTERISTICS AT SPECIFIED VIRTUAL JUNCTION
TEMPERATURE, VI=29V,I =350mA (unless otherwise noted)
PARAMETER
Output voltage**
TEST CONDITIONS*
25
LM78M20
MIN TYP MAX
19.2
20
20.8
UNIT
V
I = 5mA to 350mA,
0 to 125
19
20
21
VI= 21V to 35V,
Input regulation
P 15W
VI= 23V to 35V,I = 200mA 25
18
100
mV
Ripple rejection
Output regulation
Temperature coefficient of
output voltage
Output noise voltage
Dropout voltage
Bias current
Bias current change
VI= 24V to 35V, I = 200mA
VI= 24V to 34V, I = 100mA 0 to 125
f= 120Hz
I = 300mA 25
I = 5mA to 500mA
25
I = 5mA to 200mA
I = 5mA
0 to 125
f=10Hz to 100KHz
VI= 23V to 35V, I = 200mA
I = 5mA to 350mA
25
25
25
0 to 125
7
50
53
53
70
25
400
10
200
-1.2
110
2.0
4.9
6
0.8
0.5
dB
mV
mV/
V
V
mA
Short-circuit output current
Peak output current
25
240
25
0.7
A
LM78M24 ELECTRICAL CHARACTERISTICS AT SPECIFIED VIRTUAL JUNCTION
TEMPERATURE, VI=33V,I =350mA (unless otherwise noted)
PARAMETER
TEST CONDITIONS*
LM78M24
MIN TYP MAX
UNIT
Output voltage**
25
23
24
25
V
I = 5mA to 350mA,
0 to 125
22.8
24
25.2
VI= 27V to 38V,
P 15W
Input regulation
VI= 27V to 38V,I = 200mA 25
10
100
mV
VI= 28V to 38V, I = 200mA
5
50
Ripple rejection
VI= 28V to 38V, I = 100mA 0 to 125
50
dB
f= 120Hz
I = 300mA 25
50
70
Output regulation
I = 5mA to 500mA
25
25
480
mV
I = 5mA to 200mA
10
240
Temperature coefficient of
I = 5mA
0 to 125
-1.2
mV/
output voltage
Output noise voltage
f=10Hz to 100KHz
25
170
V
Dropout voltage
25
2.0
V
Bias current
25
5
6
mA
Bias current change
VI= 27V to 38V, I = 200mA 0 to 125
0.8
I = 5mA to 350mA
0.5
Short-circuit output current
25
240
Peak output current
25
0.7
A
* Pulse testing techniques are used to maintain the junction temperature as close to the ambient temperature as possible.
Thermal effects must be taken into account separately.
** This specification applies only for dc power dissipation permitted by absolute maximum ratings.
P6
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