L78S09CT Просмотр технического описания (PDF) - STMicroelectronics
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L78S09CT Datasheet PDF : 31 Pages
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Electrical characteristics
L78Sxx - L78SxxC
Table 5.
Symbol
Electrical characteristics of L78S75 (refer to the test circuits, TJ = 25 °C, VI = 12.5 V,
IO = 500 mA, unless otherwise specified)
Parameter
Test conditions
Min. Typ. Max. Unit
VO
VO
ΔVO
ΔVO
IQ
ΔIQ
ΔVO/ΔT
eN
Output voltage
Output voltage
Line regulation
Load regulation
Quiescent current
Quiescent current change
Output voltage drift
Output noise voltage
IO = 1A, VI = 9.5V
VI = 9.5 to 25V
VI = 10.5 to 20V
IO = 20 mA to 2A
IO = 20mA to 1A
IO = 20mA, VI = 9.5 to 25V
IO = 5mA, TJ = -55°C to 150°C
B =10Hz to 100kHz
SVR Supply voltage rejection f = 120Hz
VI Operating input voltage IO ≤1.5A
RO Output resistance
f = 1 kHz
Isc Short circuit current
VI =27V
Iscp Short circuit peak current
7.15 7.5 7.9
V
7.1 7.5 7.95 V
120
mV
60
120 mV
8
mA
0.5
mA
1.3
-0.8
mV/°C
52
µV
54
dB
10.5
V
16
mΩ
500
mA
3
A
Table 6.
Symbol
Electrical characteristics of L78S09 (refer to the test circuits, TJ = 25 °C, VI = 14 V,
IO = 500 mA, unless otherwise specified)
Parameter
Test conditions
Min. Typ. Max. Unit
VO
VO
ΔVO
ΔVO
IQ
ΔIQ
ΔVO/ΔT
eN
Output voltage
Output voltage
Line regulation
Load regulation
Quiescent current
Quiescent current change
Output voltage drift
Output noise voltage
IO = 1A, VI = 11V
VI = 11 to 25V
VI = 11 to 20V
IO = 20 mA to 2A
IO = 20mA to 1A
VI = 11 to 25 V, IO = 20mA
IO = 5mA, TJ = -55°C to 150°C
B =10Hz to 100kHz
8.65 9 9.35 V
8.6
9
9.4
V
130
mV
65
130 mV
8
mA
0.5
mA
1.3
-1
mV/°C
60
µV
SVR
VI
RO
Isc
Iscp
Supply voltage rejection
Operating input voltage
Output resistance
Short circuit current
Short circuit peak current
f = 120Hz
IO ≤1.5A
f = 1 kHz
VI = 27V
53
dB
12
V
17
mΩ
500
mA
3
A
8/31
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