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L7815CV 数据表(PDF) 13 Page - STMicroelectronics

部件名 L7815CV
功能描述  POSITIVE VOLTAGE REGULATORS
PDF  34 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

L7815CV 数据表(HTML) 13 Page - STMicroelectronics

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Table 19: Electrical Characteristics Of L7812C (refer to the test circuits, TJ = 0 to 125°C, VI = 19V,
IO = 500 mA, CI = 0.33 µF, CO = 0.1 µF unless otherwise specified).
(*) Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must be taken into account
separately. Pulse testing with low duty cycle is used.
Table 20: Electrical Characteristics Of L7815C (refer to the test circuits, TJ = 0 to 125°C, VI = 23V,
IO = 500 mA, CI = 0.33 µF, CO = 0.1 µF unless otherwise specified).
(*) Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must be taken into account
separately. Pulse testing with low duty cycle is used.
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
VO
Output Voltage
TJ = 25°C
11.5
12
12.5
V
VO
Output Voltage
IO = 5 mA to 1 A
PO ≤ 15W
VI = 14.5 to 27 V
11.4
12
12.6
V
∆V
O(*)
Line Regulation
VI = 14.5 to 30 V
TJ = 25°C
240
mV
VI = 16 to 22 V
TJ = 25°C
120
∆V
O(*)
Load Regulation
IO = 5 mA to 1.5 A
TJ = 25°C
240
mV
IO = 250 to 750 mA
TJ = 25°C
120
Id
Quiescent Current
TJ = 25°C
8
mA
∆I
d
Quiescent Current Change
IO = 5 mA to 1 A
0.5
mA
VI = 14.5 to 30 V
1
∆V
O/∆T
Output Voltage Drift
IO = 5 mA
-1
mV/°C
eN
Output Noise Voltage
B =10Hz to 100KHz
TJ = 25°C
75
µV/V
O
SVR
Supply Voltage Rejection
VI = 15 to 25 V
f = 120Hz
55
dB
Vd
Dropout Voltage
IO = 1 A
TJ = 25°C
2
V
RO
Output Resistance
f = 1 KHz
18
m
Ω
Isc
Short Circuit Current
VI = 35 V
TJ = 25°C
0.35
A
Iscp
Short Circuit Peak Current
TJ = 25°C
2.2
A
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
VO
Output Voltage
TJ = 25°C
14.5
15
15.6
V
VO
Output Voltage
IO = 5 mA to 1 A
PO ≤ 15W
VI = 17.5 to 30 V
14.25
15
15.75
V
∆V
O(*)
Line Regulation
VI = 17.5 to 30 V
TJ = 25°C
300
mV
VI = 20 to 26 V
TJ = 25°C
150
∆V
O(*)
Load Regulation
IO = 5 mA to 1.5 A
TJ = 25°C
300
mV
IO = 250 to 750 mA
TJ = 25°C
150
Id
Quiescent Current
TJ = 25°C
8
mA
∆I
d
Quiescent Current Change
IO = 5 mA to 1 A
0.5
mA
VI = 17.5 to 30 V
1
∆V
O/∆T
Output Voltage Drift
IO = 5 mA
-1
mV/°C
eN
Output Noise Voltage
B =10Hz to 100KHz
TJ = 25°C
90
µV/V
O
SVR
Supply Voltage Rejection
VI = 18.5 to 28.5 V
f = 120Hz
54
dB
Vd
Dropout Voltage
IO = 1 A
TJ = 25°C
2
V
RO
Output Resistance
f = 1 KHz
19
m
Ω
Isc
Short Circuit Current
VI = 35 V
TJ = 25°C
0.23
A
Iscp
Short Circuit Peak Current
TJ = 25°C
2.2
A



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