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L78L08ABZ 数据表(PDF) 14 Page - STMicroelectronics

部件名 L78L08ABZ
功能描述  Positive voltage regulators
PDF  29 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

L78L08ABZ 数据表(HTML) 14 Page - STMicroelectronics

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Electrical characteristics
L78LxxAB - L78LxxAC - L78LxxC
14/29
Table 19.
Electrical characteristics of L78L12AB and L78L12AC (refer to the test circuits,
VI = 19 V, IO = 40 mA, CI = 0.33 µF, CO = 0.1 µF, TJ = 0 to 125°C for L78L12AC,
TJ = -40 to 125°C for L78L12AB, unless otherwise specified)
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit
VO
Output voltage
TJ = 25°C
11.5
12
12.5
V
VO
Output voltage
IO = 1 to 40 mA, VI = 14.5 to 27 V
11.4
12.6
V
IO = 1 to 70 mA, VI = 19 V
11.4
12.6
ΔVO
Line regulation
VI = 14.5 to 27 V, TJ = 25°C
250
mV
VI = 16 to 27 V, TJ = 25°C
200
ΔVO
Load regulation
IO = 1 to 100 mA, TJ = 25°C
100
mV
IO = 1 to 40 mA, TJ = 25°C
50
Id
Quiescent current
TJ = 25°C
6.5
mA
TJ = 125°C
6
mA
ΔId
Quiescent current change
IO = 1 to 40 mA
0.1
mA
VI = 16 to 27 V
1.5
eN
Output noise voltage
B =10 Hz to 100 kHz, TJ = 25°C
80
µV
SVR
Supply voltage rejection
VI = 15 to 25 V, f = 120 Hz
IO = 40 mA, TJ = 25°C
37
42
dB
Vd
Dropout voltage
1.7
V
Table 20.
Electrical characteristics of L78L15AB and L78L15AC (refer to the test circuits,
VI = 23 V, IO = 40 mA, 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)
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
ΔVO
Line regulation
VI = 17.5 to 30 V, TJ = 25°C
300
mV
VI = 20 to 30 V, TJ = 25°C
250
ΔVO
Load regulation
IO = 1 to 100 mA, TJ = 25°C
150
mV
IO = 1 to 40 mA, TJ = 25°C
75
Id
Quiescent current
TJ = 25°C
6.5
mA
TJ = 125°C
6
mA
ΔId
Quiescent current change
IO = 1 to 40 mA
0.1
mA
VI = 20 to 30 V
1.5
eN
Output noise voltage
B =10 Hz to 100 kHz, TJ = 25°C
90
µV
SVR
Supply voltage rejection
VI = 18.5 to 28.5 V, f = 120 Hz
IO = 40 mA, TJ = 25°C
34
39
dB
Vd
Dropout voltage
1.7
V



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