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L78L00 数据表(PDF) 13 Page - STMicroelectronics

部件名 L78L00
功能描述  POSITIVE VOLTAGE REGULATORS
PDF  24 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

L78L00 数据表(HTML) 13 Page - STMicroelectronics

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L78L00 SERIES
13/24
ELECTRICAL CHARACTERISTICS OF L78L15AB AND L78L15AC
(refer to the test circuits, VI = 19V, IO =40mA, CI =0.33 µF, CO =0.1 µF,
TJ = 0 to 125°C for L78L15AC, TJ = -40 to 125°C for L78L15AB, unless otherwise specified)
ELECTRICAL CHARACTERISTICS OF L78L18AB AND L78L18AC
(refer to the test circuits, VI = 27V, IO =40mA, CI =0.33 µF, CO =0.1 µF,
TJ = 0 to 125°C for L78L18AC, TJ = -40 to 125°C for L78L18AB, unless otherwise specified)
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
VO
Output Voltage
TJ = 25°C
14.4
15
15.6
V
VO
Output Voltage
IO = 1 to 40 mA
VI = 17.5 to 30 V
14.25
15.75
V
IO = 1 to 70 mA
VI = 23 V
14.25
15.75
∆V
O
Line Regulation
VI = 17.5 to 30 V
TJ = 25°C
300
mV
VI =20 to30 V
TJ = 25°C
250
∆V
O
Load Regulation
IO = 1 to 100 mA
TJ = 25°C
150
mV
IO =1to 40mA
TJ = 25°C
75
Id
Quiescent Current
TJ = 25°C
6.5
mA
TJ = 125°C
6
mA
∆I
d
Quiescent Current Change
IO =1to 40mA
0.1
mA
VI =20 to30 V
1.5
eN
Output Noise Voltage
B =10Hz to 100KHz
TJ = 25°C
90
µV
SVR
Supply Voltage Rejection
VI = 18.5 to 28.5 V f = 120Hz
IO =40 mA
TJ = 25°C
34
39
dB
Vd
Dropout Voltage
1.7
V
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
VO
Output Voltage
TJ = 25°C
17.3
18
18.7
V
VO
Output Voltage
IO = 1 to 40 mA
VI =22to33V
17.1
18.9
V
IO = 1 to 70 mA
VI = 27 V
17.1
18.9
∆V
O
Line Regulation
VI =22 to33 V
TJ = 25°C
320
mV
VI =22 to33 V
TJ = 25°C
270
∆V
O
Load Regulation
IO = 1 to 100 mA
TJ = 25°C
170
mV
IO =1to 40mA
TJ = 25°C
85
Id
Quiescent Current
TJ = 25°C
6.5
mA
TJ = 125°C
6
mA
∆I
d
Quiescent Current Change
IO =1to 40mA
0.1
mA
VI =23 to33 V
1.5
eN
Output Noise Voltage
B =10Hz to 100KHz
TJ = 25°C
120
µV
SVR
Supply Voltage Rejection
VI = 23 to 33 V
f = 120Hz
IO =40 mA
TJ = 25°C
33
38
dB
Vd
Dropout Voltage
1.7
V



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