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L78S15C Fiches technique(PDF) 11 Page - STMicroelectronics

No de pièce L78S15C
Description  2 A positive voltage regulators
Download  39 Pages
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Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L78S15C Fiches technique(HTML) 11 Page - STMicroelectronics

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L78Sxx, L78SxxC
Electrical characteristics
Doc ID 2148 Rev 4
11/39
Refer to the test circuits, TJ = 25 °C, VI = 15 V, IO = 500 mA, unless otherwise specified.
Refer to the test circuits, TJ = 25 °C, VI = 19 V, IO = 500 mA, unless otherwise specified.
Table 7.
Electrical characteristics of L78S10
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit
VO
Output voltage
9.5
10
10.5
V
VO
Output voltage
IO = 1 A, VI = 12.5 V
9.4
10
10.6
V
ΔVO
Line regulation
VI = 12.5 to 30 V
200
mV
VI = 14 to 22 V
100
ΔVO
Load regulation
IO = 20 mA to 2 A
150
mV
IQ
Quiescent current
8
mA
ΔIQ
Quiescent current change
IO = 20 mA to 1A
0.5
mA
VI = 12.5 to 30 V, IO = 20 mA
1
ΔVO/ΔT Output voltage drift
IO = 5 mA, TJ = -55 °C to 150 °C
-1
mV/°C
eN
Output noise voltage
B =10 Hz to 100 kHz
65
µV
SVR
Supply voltage rejection
f = 120 Hz
53
dB
VI
Operating input voltage
IO 1.5 A
13
V
RO
Output resistance
f = 1 kHz
17
m
Ω
Isc
Short circuit current
VI = 27 V
500
mA
Iscp
Short circuit peak current
3
A
Table 8.
Electrical characteristics of L78S12
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit
VO
Output voltage
11.5
12
12.5
V
VO
Output voltage
IO = 1 A, VI = 14.5 V
11.4
12
12.6
V
ΔVO
Line regulation
VI = 14.5 to 30 V
240
mV
VI = 16 to 22 V
120
ΔVO
Load regulation
IO = 20 mA to 2 A
160
mV
IQ
Quiescent current
8
mA
ΔIQ
Quiescent current change
IO = 20 mA to 1 A
0.5
mA
VI = 14.5 to 30 V, IO = 20 mA
1
ΔVO/ΔT Output voltage drift
IO = 5 mA, TJ = -55 °C to 150 °C
-1
mV/°C
eN
Output noise voltage
B =10 Hz to 100 kHz
75
µV
SVR
Supply voltage rejection
f = 120 Hz
53
dB
VI
Operating input voltage
IO 1.5 A
15
V
RO
Output resistance
f = 1 kHz
18
m
Ω
Isc
Short circuit current
VI = 27 V
500
mA
Iscp
Short circuit peak current
3
A


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