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L7810C データシート(PDF) 23 Page - STMicroelectronics

部品番号 L7810C
部品情報  Positive voltage regulators
PDF  52 Pages
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メーカー  STMICROELECTRONICS [STMicroelectronics]
ホームページ  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L7810C データシート(HTML) 23 Page - STMicroelectronics

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L78xx - L78xxC
Electrical characteristics
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Table 16.
Electrical characteristics of L7885C (refer to the test circuits, TJ = 0 to 150°C, VI = 14.5 V,
IO = 500 mA, CI = 0.33 µF, CO = 0.1 µF unless otherwise specified)
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit
VO
Output voltage
TJ = 25°C
8.2
8.5
8.8
V
VO
Output voltage
IO = 5 mA to 1 A, PO ≤15 W
VI = 11 to 26 V
8.1
8.5
8.9
V
ΔVO(1)
Line regulation
VI = 11 to 27 V, TJ = 25°C
160
mV
VI = 11.5 to 17.5 V, TJ = 25°C
80
ΔVO(1)
Load regulation
IO = 5 mA to 1.5 A, TJ = 25°C
160
mV
IO = 250 to 750 mA, TJ = 25°C
80
Id
Quiescent current
TJ = 25°C
8
mA
ΔId
Quiescent current change
IO = 5 mA to 1 A
0.5
mA
VI = 11 to 27 V
1
ΔVO/ΔT Output voltage drift
IO = 5 mA
-0.8
mV/°C
eN
Output noise voltage
B =10 Hz to 100 KHz, TJ = 25°C
55
µV/VO
SVR
Supply voltage rejection
VI = 12 to 22V, f = 120Hz
56
dB
Vd
Dropout voltage
IO = 1 A, TJ = 25°C
2
V
RO
Output resistance
f = 1 KHz
16
m
Ω
Isc
Short circuit current
VI = 35 V, TJ = 25°C
0.45
A
Iscp
Short circuit peak current
TJ = 25°C
2.2
A
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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