L4963 データシートの表示（PDF） - STMicroelectronics
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L4963 Datasheet PDF : 17 Pages
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L4963 - L4963D
ELECTRICAL CHARACTERISTIC (Refer to the test circuit Vi = 30V Tj = 25°C unless otherwise specified )
Symbol
Parameter
Test Conditions
Min. Typ. Max. Unit Fig.
DYNAMIC CHARACTERISTICS
Vo
Vi
V12
I12
VOS12
∆Vo
∆Vo
Vd
I2L
Io
SVR
V11
∆V11
∆V11
η
Tsd
Output Voltage Range
Input Voltage Range
Feedback Voltage
Input Bias Current
Input Offset Voltage
Line Regulation
Load Regulation
Dropout Voltage Between
pin 3 and pin 2
Current Limiting
Maximum Operating Load
Current
Supply Voltage Ripple
Rejection
Reference Voltage
Average Temperature
Coefficient of Ref. Volt.
Vref Line Regulation
Vref Line Regulation
Efficiency
Thermal Shutdown
Junction Temperature
Hysteresis
Vi = 46V Io = 0.5A
Vo = Vref to 36V Io = 0.5A
Vi = 9 to 46V Io = 0.5A
Vi = 15V V12 = 6V
V17f = 5V
Vi = 9 to 46V Vo = Vref
Io = 0.5A
Vo = Vref
Io = 0.5 to 1.5A
I2 = 3A
Vi = 20V
Vi = 9 to 46V
Vo = Vref to 28V
Vi = 9 to 46V Vo = Vref
Vi = 2Vrms Vo = Vref
fripple = 100Hz Io = 1.5A
Vi = 9 to 46V
O < I11 < 5mA
Tj = 0 to 125 °C
Vi = 9 to 46V
Iref = 0 to 5mA
Vi = 46V Rosc = 51KΩ
Io = 1.5A Vo = Vref
Vref
36
V
2
9
46
V
2
5
5.1
5.2
V
2
5
20
µA
3a
5
10
mV
3a
15
50
mV
2
15
45
mV
2
1.5
2
V
2
3.5
6.5
A
2
1.5
A
2
50
56
dB
2
5
5.1
5.2
V
3a
0.4
10
65
69
7
65
75
145 150
30
mV/°C –
20
mV
3a
15
mV
3a
%
2
°C
–
°C
–
DC CHARACTERISTICS
Iq
Quescent Drain Current
Vi = 46V
Io = 0mA
V16 = V12 = 0
V16 = Vref
V12 = 5.3V
14
20
mA
3a
11
16
mA
3a
INHIBIT
V16L
V16H
I16L
I16L
Low Input Voltage
High Input Voltage
Input Current with Low
Input Voltage
Input Current with High
Input Voltage
Vi = 9 to 46V
Vi = 9 to 46V
V16 = 0.8V
V16 = 2V
0.3
0.8
V
2
2
5.5
V
2
50
100
µA
2
10
20
µA
2
5/17
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