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L7805CT Datasheet(PDF) 10 Page - STMicroelectronics

Part # L7805CT
Description  Positive voltage regulator ICs
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L7805CT Datasheet(HTML) 10 Page - STMicroelectronics

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Electrical characteristics
L78xx, L78xxC, L78xxAB, L78xxAC
10/57
Doc ID 2143 Rev 30
VI = 10 V, IO = 1 A, TJ = 0 to 125 °C (L7805AC), TJ = -40 to 125 °C (L7805AB), unless
otherwise specified.
Table 5.
Electrical characteristics of L7805A
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit
VO
Output voltage
TJ = 25°C
4.9
5
5.1
V
VO
Output voltage
IO = 5 mA to 1 A, VI = 7.5 to 18 V
4.8
5
5.2
V
VO
Output voltage
IO = 1 A, VI = 18 to 20 V, TJ = 25°C
4.8
5
5.2
V
ΔVO (1) Line regulation
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
ΔVO (1) Load regulation
IO = 5 mA to 1 A
25
100
mV
IO = 5 mA to 1.5 A, TJ = 25°C
30
100
IO = 250 to 750 mA
8
50
Iq
Quiescent current
TJ = 25°C
4.3
6
mA
6mA
ΔIq
Quiescent current change
VI = 8 to 23 V, IO = 500 mA
0.8
mA
VI = 7.5 to 20 V, TJ = 25°C
0.8
mA
IO = 5 mA to 1 A
0.5
mA
SVR
Supply voltage rejection
VI = 8 to 18 V, f = 120 Hz, IO = 500 mA
68
dB
Vd
Dropout voltage
IO = 1 A, TJ = 25°C
2
V
eN
Output noise voltage
TA = 25°C, B =10 Hz to 100 kHz
10
µV/VO
RO
Output resistance
f = 1 kHz
17
m
Ω
Isc
Short circuit current
VI = 35 V, TA = 25°C
0.2
A
Iscp
Short circuit peak current
TJ = 25°C
2.2
A
ΔVO/ΔT Output voltage drift
-1.1
mV/°C
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.


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