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L78S05 Datasheet(PDF) 8 Page - STMicroelectronics

Part # L78S05
Description  2 A positive voltage regulators
PDF  31 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L78S05 Datasheet(HTML) 8 Page - STMicroelectronics

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Electrical characteristics
L78Sxx - L78SxxC
8/31
Table 5.
Electrical characteristics of L78S75 (refer to the test circuits, TJ = 25 °C, VI = 12.5 V,
IO = 500 mA, unless otherwise specified)
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit
VO
Output voltage
7.15
7.5
7.9
V
VO
Output voltage
IO = 1A, VI = 9.5V
7.1
7.5
7.95
V
ΔVO
Line regulation
VI = 9.5 to 25V
120
mV
VI = 10.5 to 20V
60
ΔVO
Load regulation
IO = 20 mA to 2A
120
mV
IQ
Quiescent current
8
mA
ΔIQ
Quiescent current change
IO = 20mA to 1A
0.5
mA
IO = 20mA, VI = 9.5 to 25V
1.3
ΔVO/ΔT Output voltage drift
IO = 5mA, TJ = -55°C to 150°C
-0.8
mV/°C
eN
Output noise voltage
B =10Hz to 100kHz
52
µV
SVR
Supply voltage rejection
f = 120Hz
54
dB
VI
Operating input voltage
IO ≤1.5A
10.5
V
RO
Output resistance
f = 1 kHz
16
m
Ω
Isc
Short circuit current
VI =27V
500
mA
Iscp
Short circuit peak current
3
A
Table 6.
Electrical characteristics of L78S09 (refer to the test circuits, TJ = 25 °C, VI = 14 V,
IO = 500 mA, unless otherwise specified)
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit
VO
Output voltage
8.65
9
9.35
V
VO
Output voltage
IO = 1A, VI = 11V
8.6
9
9.4
V
ΔVO
Line regulation
VI = 11 to 25V
130
mV
VI = 11 to 20V
65
ΔVO
Load regulation
IO = 20 mA to 2A
130
mV
IQ
Quiescent current
8
mA
ΔIQ
Quiescent current change
IO = 20mA to 1A
0.5
mA
VI = 11 to 25 V, IO = 20mA
1.3
ΔVO/ΔT Output voltage drift
IO = 5mA, TJ = -55°C to 150°C
-1
mV/°C
eN
Output noise voltage
B =10Hz to 100kHz
60
µV
SVR
Supply voltage rejection
f = 120Hz
53
dB
VI
Operating input voltage
IO ≤1.5A
12
V
RO
Output resistance
f = 1 kHz
17
m
Ω
Isc
Short circuit current
VI = 27V
500
mA
Iscp
Short circuit peak current
3
A



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