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參數(shù)資料
| 型號： | LV58761MX |
| 廠商： | SANYO SEMICONDUCTOR CO LTD |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | SWITCHING REGULATOR, PDSO8 |
| 封裝： | 0.200 INCH, MFP-8 |
| 文件頁數(shù)： | 2/7頁 |
| 文件大?。?/td> | 635K |
| 代理商： | LV58761MX |
LV58761MX
No.A1964-2/7
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 voltage
VBS-SW
6.5
V
EN voltage
VEN
18
V
FB, COMP, SS pin voltage
VFSO
6V
Electrical Characteristics
at Ta
= 25°C, VIN = 12V
Parameter
Symbol
Conditions
Ratings
Unit
min
typ
max
IC current drain at standby
ICC1
EN=0V
60
80
μA
IC current drain in operation
ICC2
EN=5v, FB=1V
2.3
3.1
mA
Efficiency
Effcy
VIN=12V, IOUT=1A, Vo=5V, Design target *2
88
%
Reference voltage
Vref
VIN=4.75V to 28V
-2%
0.8
+2%
V
FB pin bias current
Iref
FB=0.8V
20
200
nA
High-side ON resistance
RonH
BOOT=5V, IOUT=1A : *4
0.25
Ω
Oscillation frequency
fOSC
760
950
1140
kHz
Oscillatory frequency when
short-circuit is protected
fOSCS
255
340
425
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
80
%
SW Peak Current limit 1
Icl1
VIN=12V, VOUT=1.2V, L=2.2μH
3.1
5.7
A
SW Peak Current limit 2
Icl2
VIN=12V, VOUT=3.3V, L=2.2μH
2.8
5.4
A
SW Peak Current limit 3
Icl3
VIN=12V, VOUT=5V, L=2.2μH
2.5
5.1
A
Thermal shutdown temperature
Ttsd
*Design guarantee *3
160
°C
Thermal shutdown temperature
hysteresis
Dtsd
*Design guarantee *3
40
°C
Soft start current
ISS
SS=0V
3
5
7
μA
UVLO threshold voltage
VUVLO
VIN Rising
3.9
4.2
4.5
V
UVLO hysteresis
VHYS
0.2
V
*2: Reference value (not tested IC unit)
*3: Design guarantee (value guaranteed by design and not tested IC unit)
*4: Value in state of substrate mounting.
Pin Assignment
1
2
3
4
8
7
6
5
BOOT
VIN
SW
GND
SS
EN
COMP
FB
Top view
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