L4987CPT50 查看數據表（PDF） - STMicroelectronics
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L4987CPT50 Datasheet PDF : 11 Pages
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L4987 SERIES
ELECTRICAL CHARACTERISTICS FOR L4987CPT120(refer to the test circuits, VI = 15V,
IOUT = 5mA, Tj = 25 oC, Ci = 0.1 µF, Co = 2.2 µF unless otherwise specified)
Symbol
Parameter
Test Conditions
Min. Typ. Max. Unit
Vo Output Voltage
Io = 200 mA, Vi =15 V
11.76
12 8.874
V
Io = 200 mA, Vi =15 V -40<TJ<125oC 11.52
9.05
V
Vi Operating Input Voltage
Io = 200 mA
12.75
18
V
Io ut Output Current Limit
250
A
∆Vo Line Regulation
Vi = 13.5 to 18 V, Io = 0.5 mA
5
30
mV
∆Vo Load Regulation
Vi = 13.5 V
Io = 0.5 to 200 mA
3
20
mV
Id Quiescent Current
ON MODE
Vi = 13.5 to 18 V Io = 0 mA
Vi = 13.5 to 18 V Io = 200 mA
0.5
1
mA
3
6
mA
OFF MODE Vi = 12 V
90
1 80
µA
SVR Supply Voltage Rejection
Io = 5 mA Vi = 14.5 V ± 1V
f = 120 Hz
f = 1 KHz
f = 10 KHz
67
dB
64
dB
51
dB
Vd Dropout Voltage
Vil Control Input Logic Low
Vih Control Input Logic High
Io = 200 mA
Io = 200 mA -40 < TJ < 125 oC
-40 < TJ < 125 oC
-40 < TJ < 125 oC
0.3
0.5
V
0.7
V
0.8
V
2
V
Ii Control Input Current
10
µA
CO Output Bypass Capacitance ESR = 0.5 to 10 Ω Io = 0 to 200 mA
2
10
µF
-40 < TJ < 125 oC
Vfl Control Flag Output Low
Vi - Vo < Vcesat power, Ifl = 6 mA
Io = 200 mA
0.5
V
Ifh Control Flag Output High
Leakage Current
Vi > 12.75 V Voh = 15 V
10
µA
6/11
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