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L7812CV датащи(PDF) 30 Page - STMicroelectronics

номер детали L7812CV
подробное описание детали  Positive voltage regulators
PDF  52 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
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L7812CV датащи(HTML) 30 Page - STMicroelectronics

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Electrical characteristics
L78xx - L78xxC
30/52
Table 23.
Electrical characteristics of L7824C (refer to the test circuits, TJ = 0 to 150°C, VI = 33 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
23
24
25
V
VO
Output voltage
IO = 5 mA to 1 A, PO ≤15 W
VI = 27 to 38 V
22.8
24
25.2
V
ΔVO(1)
Line regulation
VI = 27 to 38 V, TJ = 25°C
480
mV
VI = 30 to 36 V, TJ = 25°C
240
ΔVO(1)
Load regulation
IO = 5 mA to 1.5 A, TJ = 25°C
480
mV
IO = 250 to 750 mA, TJ = 25°C
240
Id
Quiescent current
TJ = 25°C
8
mA
ΔId
Quiescent current change
IO = 5 mA to 1 A
0.5
mA
VI = 27 to 38 V
1
ΔVO/ΔT Output voltage drift
IO = 5 mA
-1.5
mV/°C
eN
Output noise voltage
B = 10 Hz to 100 KHz, TJ = 25°C
170
µV/VO
SVR
Supply voltage rejection
VI = 28 to 38 V, f = 120 Hz
50
dB
Vd
Dropout voltage
IO = 1 A, TJ = 25°C
2
V
RO
Output resistance
f = 1 KHz
28
m
Ω
Isc
Short circuit current
VI = 35 V, TJ = 25°C
0.15
A
Iscp
Short circuit peak current
TJ = 25°C
2.1
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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