L78S09CT Просмотр технического описания (PDF) - STMicroelectronics
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L78S09CT Datasheet PDF : 31 Pages
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L78Sxx - L78SxxC
Electrical characteristics
Table 7.
Symbol
Electrical characteristics of L78S10 (refer to the test circuits, TJ = 25 °C, VI = 15 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 = 12.5V
VI = 12.5 to 30V
VI = 14 to 22V
IO = 20 mA to 2A
IO = 20mA to 1A
VI = 12.5 to 30 V, IO = 20mA
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
9.5 10 10.5 V
9.4
10 10.6
V
200
mV
100
150 mV
8
mA
0.5
mA
1
-1
mV/°C
65
µV
53
dB
13
V
17
mΩ
500
mA
3
A
Table 8.
Symbol
Electrical characteristics of L78S12 (refer to the test circuits, TJ = 25 °C, VI = 19 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 = 14.5V
VI = 14.5 to 30V
VI = 16 to 22V
IO = 20 mA to 2A
IO = 20mA to 1A
VI = 14.5 to 30 V, IO = 20mA
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
11.5 12 12.5 V
11.4 12 12.6 V
240
mV
120
160 mV
8
mA
0.5
mA
1
-1
mV/°C
75
µV
53
dB
15
V
18
mΩ
500
mA
3
A
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