78L24A 데이터 시트보기 (PDF) - Unspecified
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78L24A Datasheet PDF : 7 Pages
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78LXX
Electrical Characteristics 78L15A
Electrical characteristics at specified virtual junction temperature, VI= 23V, IO = 40mA (unless otherwise noted)
Parameter
Test Conditions*
78L15A
Min
Typ
Max
Output voltage**
25°C
14.4
15
15.6
Input regulation
Ripple rejection
IO= 1mA to 40mA,
VI= 17.5V to 30V
IO= 1mA to 70mA
VI= 17.5V to 30V
VI= 19V to 30V
VI= 18.5V to 28.5V, f= 120Hz
0°C to 125°C 14.25
15
15.75
14.25
15
15.75
25°C
65
300
58
250
0°C to 125°C
34
39
Output regulation
Output noise voltage
IO= 1mA to 100mA
IO= 1mA to 40mA
f= 10Hz to 100KHz
25°C
25°C
25
150
15
75
82
Dropout voltage
25°C
1.7
Bias current
25°C
4.6
6.5
125°C
6
Bias current change
VI= 19V to 30V
0°C to 125°C
1.5
IO= 1mA to 40mA
0.1
Units
V
mV
dB
mV
µV
V
mA
Electrical Characteristics 78L18A
Electrical characteristics at specified virtual junction temperature, VI= 26V, IO = 40mA (unless otherwise noted)
Parameter
Test Conditions*
78L18A
Min
Typ
Max
Output voltage**
25°C
17.3
18
18.7
Input regulation
Ripple rejection
IO= 1mA to 40mA,
VI= 20.5V to 33V
IO= 1mA to 70mA
VI= 20.5V to 33V
VI= 22V to 33V
VI= 21.5V to 31.5V,
f= 120Hz
0°C to 125°C
17.1
17.1
25°C
0°C to 125°C
32
18
18.9
18
18.9
70
360
64
300
36
Output regulation
Output noise voltage
IO= 1mA to 100mA
IO= 1mA to 40mA
f= 10Hz to 100 KHz
25°C
25°C
27
180
19
90
89
Dropout voltage
25°C
1.7
Bias current
25°C
4.7
6.5
125°C
6
Bias current change
VI= 22V to 33V
0°C to 125°C
1.5
IO= 1mA to 40mA
0.1
Units
V
mV
dB
mV
µV
V
mA
* 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. All characteristics are measured with a 0.33µF capacitor across the input and a 0.1µF
capacitor across the output.
** This specification applies only for dc power dissipation permitted by absolute maximum ratings.
BEIJING ESTEK ELECTRONICS CO.,LTD
6
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