L7818ABP(2004) Просмотр технического описания (PDF) - STMicroelectronics
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L7818ABP Datasheet PDF : 21 Pages
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L7800AB/AC SERIES
ELECTRICAL CHARACTERISTICS OF L7818A (VI=27V, IO=1A, TJ = 0 to 150°C (L7818AC),
TJ = -40 to 125°C (L7818AB), unless otherwise specified.)
Symbol
Parameter
Test Conditions
Min. Typ. Max. Unit
VO Output Voltage
VO Output Voltage
∆VO (*) Line Regulation
∆VO(*) Load Regulation
Iq Quiescent Current
TJ = 25°C
IO = 5mA to 1A
VI = 21 to 33V
PO ≤ 15W
VI = 21 to 33V
IO = 500 mA
VI = 24 to 30V
VI = 24 to 30V
TJ = 25°C
VI = 20.6 to 33V TJ = 25°C
IO = 5mA to 1A
IO = 5mA to 1.5A TJ = 25°C
IO = 250 to 750mA
TJ = 25°C
∆Iq Quiescent Current Change
SVR Supply Voltage Rejection
Vd Dropout Voltage
eN Output Noise Voltage
RO
Isc
Iscp
∆VO/∆T
Output Resistance
Short Circuit Current
Short Circuit Peak Current
Output Voltage Drift
VI = 21 to 33V
IO = 500 mA
VI = 21 to 33V
TJ = 25°C
IO = 5mA to 1A
VI = 22 to 32V
IO = 500mA
f = 120Hz
IO =1 A
TJ = 25°C
TA = 25°C B =10Hz to 100KHz
f =1KHz
VI = 35V
TJ = 25°C
TA = 25°C
17.64 18 18.36 V
17.3 18 18.7
V
25 180 mV
28 180 mV
10
90
mV
5
180 mV
25 100 mV
30 100
V
10
50
V
4.5
6
mA
6
mA
0.8 mA
0.8 mA
0.5 mA
57
dB
2
V
10
µV/VO
19
mΩ
0.2
A
2.2
A
-1
mV/°C
(*) 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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