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L78S05C 数据表(PDF) 9 Page - STMicroelectronics

部件名 L78S05C
功能描述  2 A positive voltage regulators
PDF  31 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

L78S05C 数据表(HTML) 9 Page - STMicroelectronics

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L78Sxx - L78SxxC
Electrical characteristics
9/31
Table 7.
Electrical characteristics of L78S10 (refer to the test circuits, TJ = 25 °C, VI = 15 V,
IO = 500 mA, unless otherwise specified)
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit
VO
Output voltage
9.5
10
10.5
V
VO
Output voltage
IO = 1A, VI = 12.5V
9.4
10
10.6
V
ΔVO
Line regulation
VI = 12.5 to 30V
200
mV
VI = 14 to 22V
100
ΔVO
Load regulation
IO = 20 mA to 2A
150
mV
IQ
Quiescent current
8
mA
ΔIQ
Quiescent current change
IO = 20mA to 1A
0.5
mA
VI = 12.5 to 30 V, IO = 20mA
1
ΔVO/ΔT Output voltage drift
IO = 5mA, TJ = -55°C to 150°C
-1
mV/°C
eN
Output noise voltage
B =10Hz to 100kHz
65
µV
SVR
Supply voltage rejection
f = 120Hz
53
dB
VI
Operating input voltage
IO ≤1.5A
13
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
Table 8.
Electrical characteristics of L78S12 (refer to the test circuits, TJ = 25 °C, VI = 19 V,
IO = 500 mA, unless otherwise specified)
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit
VO
Output voltage
11.5
12
12.5
V
VO
Output voltage
IO = 1A, VI = 14.5V
11.4
12
12.6
V
ΔVO
Line regulation
VI = 14.5 to 30V
240
mV
VI = 16 to 22V
120
ΔVO
Load regulation
IO = 20 mA to 2A
160
mV
IQ
Quiescent current
8
mA
ΔIQ
Quiescent current change
IO = 20mA to 1A
0.5
mA
VI = 14.5 to 30 V, IO = 20mA
1
ΔVO/ΔT Output voltage drift
IO = 5mA, TJ = -55°C to 150°C
-1
mV/°C
eN
Output noise voltage
B =10Hz to 100kHz
75
µV
SVR
Supply voltage rejection
f = 120Hz
53
dB
VI
Operating input voltage
IO ≤1.5A
15
V
RO
Output resistance
f = 1 kHz
18
m
Ω
Isc
Short circuit current
VI = 27V
500
mA
Iscp
Short circuit peak current
3
A



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