L78S05C(2010) Просмотр технического описания (PDF) - STMicroelectronics
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L78S05C Datasheet PDF : 39 Pages
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L78Sxx, L78SxxC
Electrical characteristics
Refer to the test circuits, TJ = 25 °C, VI = 15 V, IO = 500 mA, unless otherwise specified.
Table 7. Electrical characteristics of L78S10
Symbol
Parameter
Test conditions
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 = 1 A, VI = 12.5 V
VI = 12.5 to 30 V
VI = 14 to 22 V
IO = 20 mA to 2 A
IO = 20 mA to 1A
VI = 12.5 to 30 V, IO = 20 mA
IO = 5 mA, TJ = -55 °C to 150 °C
B =10 Hz to 100 kHz
SVR Supply voltage rejection f = 120 Hz
VI Operating input voltage IO ≤ 1.5 A
RO Output resistance
f = 1 kHz
Isc Short circuit current
VI = 27 V
Iscp Short circuit peak current
Min.
9.5
9.4
53
13
Typ.
10
10
-1
65
17
500
3
Max. Unit
10.5 V
10.6 V
200
mV
100
150 mV
8
mA
0.5
mA
1
mV/°C
µV
dB
V
mΩ
mA
A
Refer to the test circuits, TJ = 25 °C, VI = 19 V, IO = 500 mA, unless otherwise specified.
Table 8.
Symbol
Electrical characteristics of L78S12
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 = 1 A, VI = 14.5 V
VI = 14.5 to 30 V
VI = 16 to 22 V
IO = 20 mA to 2 A
IO = 20 mA to 1 A
VI = 14.5 to 30 V, IO = 20 mA
IO = 5 mA, TJ = -55 °C to 150 °C
B =10 Hz to 100 kHz
SVR Supply voltage rejection f = 120 Hz
VI Operating input voltage IO ≤ 1.5 A
RO Output resistance
f = 1 kHz
Isc Short circuit current
VI = 27 V
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
Doc ID 2148 Rev 4
11/39
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