ELECTRICALCHARACTERISTICS FOR L4931ABxx12(refer to the test circuits, Tj=25oC,
C
i
= 0.1 µF, Co= 2.2 µF unless otherwise specified)
Symbol Parameter Test Cond itions Min. Typ. M ax. Unit
V
o
Output Voltage Io=5mA,Vi=3.3V
I
o
=5mA,Vi= 3.3 V -25<Ta<85oC
1.238
1.225
1.25 1.263
1.275
V
V
V
i
Operating Input Voltage Io=250mA 2.5 20 V
I
out
Output Current Limit 300 mA
∆V
o
Line Regulation Vi= 2.5 to 20 V, Io=0.5mA 3 15 mV
∆V
o
(*) Load Regulation Vi=2.7V Io= 0.5 to 250 mA 3 15 mV
I
d
Quiescent Current ON MODE
V
i
= 2.7 to 20 V Io=0mA
V
i
= 2.7 to 20 V Io= 250 mA
0.6
4
1
6
mA
mA
OFFMODE V
i
=6V 50 100
µ
A
SVR Supply Voltage Rejection
I
o
=5mA Vi=3.7V±1V
f = 120 Hz
f=1KHz
f = 10 KHz
80
77
55
dB
dB
dB
eN Output Noise Voltage B = 10 Hz to 100 KHz 50
µ
V
V
d
(*) Dropout Voltage Io= 250 mA 1.25 V
V
il
Control Input Logic Low -40 < Ta<125oC0.8V
V
ih
Control Input Logic High -40 < Ta<125oC2 V
I
i
Control Input Current Vi= 6 V, Vc=6V 10
µ
A
C
O
Output Bypass Capacitance
ESR = 0.1 to 10ΩI
o
= 0 to 250 mA
210
µ
F
ELECTRICALCHARACTERISTICS FOR L4931Cxx12(refer to the testcircuits, Tj=25oC,
C
i
= 0.1 µF, Co= 2.2 µF unless otherwise specified)
Symbol Parameter Test Cond itions Min. Typ. M ax. Unit
V
o
Output Voltage Io=5mA,Vi=3.3V
I
o
=5mA,Vi= 3.3 V -25<Ta<85oC
1.225
1.2
1.25 1.275
1.3
V
V
V
i
Operating Input Voltage Io=250mA 2.5 20 V
I
out
Output Current Limit 300 mA
∆
V
o
Line Regulation Vi= 2.5 to 20 V, Io=0.5mA 3 18 mV
∆
V
o
(*) Load Regulation Vi=2.7V Io= 0.5 to 250 mA 3 18 mV
I
d
Quiescent Current ON MODE
V
i
= 2.7 to 20 V Io=0mA
V
i
= 2.7 to 20 V Io= 250 mA
0.6
4
1
6
mA
mA
OFFMODE V
i
=6V 50 100 µA
SVR Supply Voltage Rejection
I
o
=5mA Vi=3.7V±1V
f = 120 Hz
f=1KHz
f = 10 KHz
80
77
55
dB
dB
dB
eN Output Noise Voltage B = 10 Hz to 100 KHz 50 µV
V
d
(*) Dropout Voltage Io= 250 mA 1.25 V
V
il
Control Input Logic Low -40 < Ta<125oC0.8V
V
ih
Control Input Logic High -40 < Ta<125oC2 V
I
i
Control Input Current Vi= 6 V, Vc=6V 10
µ
A
C
O
Output Bypass Capacitance
ESR = 0.1 to 10ΩI
o
= 0 to 250 mA
210 µF
(*) For SO-8 package the maximum limit of load regulationand dropout is increased by 20mV
L4931 SERIES
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