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参数资料
| 型号： | L4963D013TR |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 稳压器 |
| 英文描述： | 6.5 A SWITCHING REGULATOR, 83 kHz SWITCHING FREQ-MAX, PDSO20 |
| 封装： | PLASTIC, SO-20 |
| 文件页数： | 13/17页 |
| 文件大小： | 4845K |
| 代理商： | L4963D013TR |
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
Output Voltage Range
Vi = 46V Io = 0.5A
Vref
36
V
2
Vi
Input Voltage Range
Vo = Vref to 36V Io = 0.5A
9
46
V
2
V12
Feedback Voltage
Vi = 9 to 46V Io = 0.5A
5
5.1
5.2
V
2
I12
Input Bias Current
Vi = 15V V12 = 6V
V17f = 5V
520
A3a
VOS12
Input Offset Voltage
510
mV
3a
Vo
Line Regulation
Vi = 9 to 46V Vo = Vref
Io = 0.5A
15
50
mV
2
Vo
Load Regulation
Vo = Vref
Io = 0.5 to 1.5A
15
45
mV
2
Vd
Dropout Voltage Between
pin 3 and pin 2
I2 = 3A
Vi = 20V
1.5
2
V
2
I2L
Current Limiting
Vi = 9 to 46V
Vo = Vref to 28V
3.5
6.5
A
2
Io
Maximum Operating Load
Current
Vi = 9 to 46V Vo = Vref
1.5
A
2
SVR
Supply Voltage Ripple
Rejection
Vi = 2Vrms Vo = Vref
fripple = 100Hz Io = 1.5A
50
56
dB
2
V11
Reference Voltage
Vi = 9 to 46V
O < I11 < 5mA
5
5.1
5.2
V
3a
Average Temperature
Coefficient of Ref. Volt.
Tj = 0 to 125
°C
0.4
mV/
°C–
V11
Vref Line Regulation
Vi = 9 to 46V
10
20
mV
3a
V11
Vref Line Regulation
Iref = 0 to 5mA
Vi = 46V Rosc = 51K
65
69
715
mV
3a
η
Efficiency
Io = 1.5A Vo = Vref
65
75
%
2
Tsd
Thermal Shutdown
Junction Temperature
145
150
°C–
Hysteresis
30
°C–
DC CHARACTERISTICS
Iq
Quescent Drain Current
Vi = 46V
Io = 0mA
V16 = V12 = 0
14
20
mA
3a
V16 = Vref
V12 = 5.3V
11
16
mA
3a
INHIBIT
V16L
Low Input Voltage
Vi = 9 to 46V
0.3
0.8
V
2
V16H
High Input Voltage
Vi = 9 to 46V
25.5
V
2
I16L
Input Current with Low
Input Voltage
V16 = 0.8V
50
100
A2
I16L
Input Current with High
Input Voltage
V16 = 2V
10
20
A2
L4963 - L4963D
5/17
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