L7818CV Просмотр технического описания (PDF) - STMicroelectronics
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L7818CV Datasheet PDF : 54 Pages
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L78
Electrical characteristics
5
Electrical characteristics
Symbol
VO
VO
VO
∆VO (1)
∆VO (1)
Iq
∆Iq
SVR
Vd
eN
RO
Isc
Iscp
∆VO/∆T
VI = 10 V, IO = 1 A, TJ = 0 to 125 °C (L7805AC), TJ = -40 to 125 °C (L7805AB), unless
otherwise specifieda
Parameter
Table 3: Electrical characteristics of L7805A
Test conditions
Min. Typ. Max. Unit
Output voltage
Output voltage
Output voltage
Line regulation
Load regulation
Quiescent current
TJ = 25 °C
4.9 5 5.1
V
IO = 5 mA to 1 A, VI = 7.5 to 18 V
4.8 5 5.2
V
IO = 1 A, VI = 18 to 20 V, TJ = 25 °C
4.8 5 5.2
V
VI = 7.5 to 25 V, IO = 500 mA, TJ = 25 °C
7
50
mV
VI = 8 to 12 V
10 50
mV
VI = 8 to 12 V, TJ = 25 °C
2
25
mV
VI = 7.3 to 20 V, TJ = 25 °C
7
50
mV
IO = 5 mA to 1 A
25 100
IO = 5 mA to 1.5 A, TJ = 25 °C
30 100 mV
IO = 250 to 750 mA
8
50
TJ = 25 °C
4.3 6
mA
6
mA
Quiescent current change
Supply voltage rejection
Dropout voltage
Output noise voltage
Output resistance
VI = 8 to 23 V, IO = 500 mA
VI = 7.5 to 20 V, TJ = 25 °C
IO = 5 mA to 1 A
VI = 8 to 18 V, f = 120 Hz, IO = 500 mA
IO = 1 A, TJ = 25 °C
TA = 25 °C, B =10 Hz to 100 kHz
f = 1 kHz
0.8 mA
0.8 mA
0.5 mA
68
dB
2
V
10
µV/VO
17
mΩ
Short circuit current
Short circuit peak current
Output voltage drift
VI = 35 V, TA = 25 °C
TJ = 25 °C
0.2
A
2.2
A
-1.1
mV/°C
Notes:
(1)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.
a Minimum load current for regulation is 5 mA.
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