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参数资料
型号： LV5813TT
元件分类： 稳压器
英文描述： 5.7 A SWITCHING REGULATOR, 444 kHz SWITCHING FREQ-MAX, PDSO8
封装： 0.150 INCH, MSOP-8
文件页数： 2/9页
文件大小： 368K
代理商： LV5813TT
LV5813TT
No.A1761-2/9
Specifications
Absolute Maximum Ratings at Ta = 25
°C
Parameter
Symbol
Conditions
Ratings
Unit
Maximum input VIN voltage
VIN max
20
V
BOOT pin maximum voltage
VBT max
25
V
SW pin maximum voltage
VSW max
VIN max
V
BOOT pin-SW pin maximum voltage
VBS-SW max
7
V
EN pin maximum voltage
VEN max
*1
VIN+0.3
V
FB, COMP, SS pin maximum voltage
Vfs max
7
V
Allowable power dissipation
Pd max
With specified substrate *2
0.85
W
Junction temperature
Tj max
150
°C
Operating temperature
Topr
-20 to +80
°C
Storage temperature
Tstg
-40 to +150
°C
Note : Plan the maximum voltage while including coil and surge voltages, so that the maximum voltage is not exceeded even for an instant.
*1 : VIN + 0.3 < VIN max
*2 : Specified substrate : 46.4mm
× 31.8mm × 1.7mm, glass epoxy substrate
Recommended Operating Conditions at Ta = 25
°C
Parameter
Symbol
Conditions
Ratings
Unit
VIN pin voltage
VIN
4.75 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
VIN + 0.3
V
FB, COMP, SS pin voltage
VFSO
6
V
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
90
μA
IC current drain in operation
ICC2
EN = 5V, FB = 1V
2
mA
Efficiency
Effcy
VIN = 12V, IOUT = 1A, VO = 5V,
Design target *3
90
%
Reference voltage
Vref
VIN = 4.75V to 18V
-2%
0.8
+2%
V
FB pin bias current
Iref
FB = 0.8V
20
200
nA
High-side ON resistance
RonH
BOOT = 5V
0.25
Ω
Oscillation frequency
FOSC
296
370
444
kHz
Oscillation frequency during
short-circuit protection
FOSCS
85
115
145
kHz
EN high-threshold voltage
Venh
0.9
1.8
2.7
V
EN low-threshold voltage
Venl
0.7
1.35
2.0
V
Maximum ON DUTY
D max
85
%
Current limit peak value 1
Icl1
VIN = 12V, VOUT = 1.2V, L = 10μH
3.1
5.7
A
Current limit peak value 2
Icl2
VIN = 12V, VOUT = 3.3V, L = 10μH
2.8
5.4
A
Current limit peak value 3
Icl3
VIN = 12V, VOUT = 5V, L = 10μH
2.5
5.1
A
Thermal shutdown temperature
Ttsd
Design guarantee *4
160
°C
Thermal shutdown temperature
hysteresis
Dtsd
Design guarantee *4
40
°C
Soft start current
ISS
SS = 0V
3
5
7
μA
*3 : Reference value (not tested before shipment)
*4 : Design guarantee (value guaranteed by design and not tested before shipment)
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相关代理商/技术参数
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