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L78L08ABUTR Datasheet(PDF) 12 Page - STMicroelectronics

Part # L78L08ABUTR
Description  Positive voltage regulators
PDF  29 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L78L08ABUTR Datasheet(HTML) 12 Page - STMicroelectronics

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Electrical characteristics
L78LxxAB - L78LxxAC - L78LxxC
12/29
Table 15.
Electrical characteristics of L78L06AB and L78L06AC (refer to the test circuits,
VI = 12 V, IO = 40 mA, CI = 0.33 µF, CO = 0.1 µF, TJ = 0 to 125°C for L78L06AC,
TJ = -40 to 125°C for L78L06AB, unless otherwise specified)
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit
VO
Output voltage
TJ = 25°C
5.76
6
6.24
V
VO
Output voltage
IO = 1 to 40 mA, VI = 8.5 to 20 V
5.7
6.3
V
IO = 1 to 70 mA, VI = 12 V
5.7
6.3
ΔVO
Line regulation
VI = 8.5 to 20 V, TJ = 25°C
150
mV
VI = 9 to 20 V, TJ = 25°C
100
ΔVO
Load regulation
IO = 1 to 100 mA, TJ = 25°C
60
mV
IO = 1 to 40 mA, TJ = 25°C
30
Id
Quiescent current
TJ = 25°C
6
mA
TJ = 125°C
5.5
mA
ΔId
Quiescent current change
IO = 1 to 40 mA
0.1
mA
VI = 9 to 20 V
1.5
eN
Output noise voltage
B =10 Hz to 100 kHz, TJ = 25°C
50
µV
SVR
Supply voltage rejection
VI = 9 to 20 V, f = 120 Hz
IO = 40 mA, TJ = 25°C
39
46
dB
Vd
Dropout voltage
1.7
V
Table 16.
Electrical characteristics of L78L08AB and L78L08AC (refer to the test circuits,
VI = 14 V, IO = 40 mA, CI = 0.33 µF, CO = 0.1 µF, TJ = 0 to 125°C for L78L08AC,
TJ = -40 to 125°C for L78L08AB, unless otherwise specified)
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit
VO
Output voltage
TJ = 25°C
7.68
8
8.32
V
VO
Output voltage
IO = 1 to 40 mA, VI = 10.5 to 23 V
7.6
8.4
V
IO = 1 to 70 mA, VI = 14 V
7.6
8.4
ΔVO
Line regulation
VI = 10.5 to 23 V, TJ = 25°C
175
mV
VI = 11 to 23 V, TJ = 25°C
125
ΔVO
Load regulation
IO = 1 to 100 mA, TJ = 25°C
80
mV
IO = 1 to 40 mA, TJ = 25°C
40
Id
Quiescent current
TJ = 25°C
6
mA
TJ = 125°C
5.5
mA
ΔId
Quiescent current change
IO = 1 to 40 mA
0.1
mA
VI = 11 to 23 V
1.5
eN
Output noise voltage
B =10 Hz to 100 kHz, TJ = 25°C
60
µV
SVR
Supply voltage rejection
VI = 12 to 23 V, f = 120 Hz
IO = 40 mA, TJ = 25°C
37
45
dB
Vd
Dropout voltage
1.7
V



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