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L7805AB データシート(PDF) 13 Page - STMicroelectronics

部品番号 L7805AB
部品情報  Positive voltage regulators
PDF  56 Pages
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メーカー  STMICROELECTRONICS [STMicroelectronics]
ホームページ  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L7805AB データシート(HTML) 13 Page - STMicroelectronics

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L78xx, L78xxC, L78xxAB, L78xxAC
Electrical characteristics
Doc ID 2143 Rev 22
13/56
VI = 15 V, IO = 1 A, TJ = 0 to 125 °C (L7809AC), TJ = -40 to 125 °C (L7809AB), unless
otherwise specified.
Table 8.
Electrical characteristics of L7809A
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit
VO
Output voltage
TJ = 25°C
8.82
9
9.18
V
VO
Output voltage
IO = 5 mA to 1 A, VI = 10.6 to 22 V
8.65
9
9.35
V
VO
Output voltage
IO = 1 A, VI = 22 to 24 V, TJ = 25°C
8.65
9
9.35
V
ΔV
O
(1)
Line regulation
VI = 10.6 to 25 V, IO = 500 mA
12
90
mV
VI = 11 to 17 V
15
90
mV
VI = 11 to 17 V, TJ = 25°C
5
45
mV
VI = 10.4 to 23 V, TJ = 25°C
12
90
mV
ΔV
O
(1)
Load regulation
IO = 5 mA to 1 A
25
100
mV
IO = 5 mA to 1.5 A, TJ = 25°C
30
100
V
IO = 250 to 750 mA
10
50
V
Iq
Quiescent current
TJ = 25°C
4.3
6
mA
6mA
ΔI
q
Quiescent current change
VI = 11 to 25 V, IO = 500 mA
0.8
mA
VI = 10.6 to 23 V, TJ = 25°C
0.8
mA
IO = 5 mA to 1 A
0.5
mA
SVR
Supply voltage rejection
VI = 11.5 to 21.5 V, f = 120 Hz,
IO = 500 mA
61
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
18
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
ΔV
O/ΔT
Output voltage drift
-0.8
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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