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L7805CV Datasheet(PDF) 14 Page - STMicroelectronics

Part No. L7805CV
Description  POSITIVE VOLTAGE REGULATORS
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Maker  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
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L7800 SERIES
14/34
Table 21: Electrical Characteristics Of L7818C (refer to the test circuits, TJ = 0 to 125°C, VI = 26V,
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 22: Electrical Characteristics Of L7820C (refer to the test circuits, TJ = 0 to 125°C, VI = 28V,
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
17.3
18
18.7
V
VO
Output Voltage
IO = 5 mA to 1 A
PO ≤ 15W
VI = 21 to 33 V
17.1
18
18.9
V
∆V
O(*)
Line Regulation
VI = 21 to 33 V
TJ = 25°C
360
mV
VI = 24 to 30 V
TJ = 25°C
180
∆V
O(*)
Load Regulation
IO = 5 mA to 1.5 A
TJ = 25°C
360
mV
IO = 250 to 750 mA
TJ = 25°C
180
Id
Quiescent Current
TJ = 25°C
8
mA
∆I
d
Quiescent Current Change
IO = 5 mA to 1 A
0.5
mA
VI = 21 to 33 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
110
µV/V
O
SVR
Supply Voltage Rejection
VI = 22 to 32 V
f = 120Hz
53
dB
Vd
Dropout Voltage
IO = 1 A
TJ = 25°C
2
V
RO
Output Resistance
f = 1 KHz
22
m
Isc
Short Circuit Current
VI = 35 V
TJ = 25°C
0.20
A
Iscp
Short Circuit Peak Current
TJ = 25°C
2.1
A
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
VO
Output Voltage
TJ = 25°C
19.2
20
20.8
V
VO
Output Voltage
IO = 5 mA to 1 A
PO ≤ 15W
VI = 23 to 35 V
19
20
21
V
∆V
O(*)
Line Regulation
VI = 22.5 to 35 V
TJ = 25°C
400
mV
VI = 26 to 32 V
TJ = 25°C
200
∆V
O(*)
Load Regulation
IO = 5 mA to 1.5 A
TJ = 25°C
400
mV
IO = 250 to 750 mA
TJ = 25°C
200
Id
Quiescent Current
TJ = 25°C
8
mA
∆I
d
Quiescent Current Change
IO = 5 mA to 1 A
0.5
mA
VI = 23 to 35 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
150
µV/V
O
SVR
Supply Voltage Rejection
VI = 24 to 35 V
f = 120Hz
52
dB
Vd
Dropout Voltage
IO = 1 A
TJ = 25°C
2
V
RO
Output Resistance
f = 1 KHz
24
m
Isc
Short Circuit Current
VI = 35 V
TJ = 25°C
0.18
A
Iscp
Short Circuit Peak Current
TJ = 25°C
2.1
A




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