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参数资料
| 型号： | LV5803NM |
| 元件分类： | 稳压器 |
| 英文描述： | 5.9 A SWITCHING REGULATOR, 395 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封装： | 0.225 INCH, MFP-8 |
| 文件页数： | 2/5页 |
| 文件大小： | 113K |
| 代理商： | LV5803NM |
LV5803NM
No.A1428-2/5
Recommended Operating Conditions at Ta = 25
°C
Parameter
Symbol
Conditions
Ratings
Unit
VIN pin voltage
VIN
4.5 to 18
V
BOOT pin voltage
VBT
-0.3 to 23
V
SW pin voltage
VSW
-0.4 to VIN
V
BOOT pin-SW pin maximum
voltage
VBS-SW
6.5
V
EN pin maximum voltage
VEN
18
V
FB, COMP, SS pin voltage
VFSO
6V
Electrical Characteristics at Ta
= 25°C, VIN = 12V, unless otherwise specified.
Ratings
Parameter
Symbol
Conditions
min
typ
max
Unit
IC current drain at standby
ICC1
EN=0V
80
A
IC current drain in operation
ICC2
EN=open
2
mA
Efficiency
Effcy
VIN=12V, IOUT=1A, Vo=5V, Design target *1
90
%
Reference voltage
Vref
VIN=4.5V to 18V
0.788
0.796
0.804
V
FB pin bias current
Iref
FB=0.8V application
10
100
nA
High-side ON resistance
RonH
BOOT=5V
0.20
Oscillation frequency
fOSC
265
330
395
kHz
Oscillation frequency during
short-circuit protection
fOSCS
26
33
40
kHz
EN high-threshold voltage
Venh
1.25
1.55
1.85
V
EN low-threshold voltage
Venl
0.95
1.25
1.55
V
EN pull-up current
Ien
EN=0V
45
A
Maximum ON DUTY
D max
86
%
Current limit peak value 1
Ic1
VIN=12V, VOUT=5V, L=10H
2.5
5.3
A
Current limit peak value 2
Ic2
VIN=12V, VOUT=3.3V, L=10H
2.8
5.6
A
Current limit peak value 3
Ic3
VIN=12V, VOUT=1.2V, L=10H
3.1
5.9
A
Thermal shutdown temperature
Ttsd
*Design guarantee *2
160
°C
Thermal shutdown temperature
hysteresis
Dtsd
*Design guarantee *2
40
°C
Soft start current
ISS
SS=0V
6
10
14
A
*1: Reference value (not tested before shipment)
*2: Design guarantee (value guaranteed by design and not tested before shipment)
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