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参数资料
| 型号： | LV57331TT |
| 元件分类： | 稳压器 |
| 英文描述： | SWITCHING REGULATOR, PDSO8 |
| 封装： | 0.150 INCH, MSOP-8 |
| 文件页数： | 2/4页 |
| 文件大小： | 218K |
| 代理商： | LV57331TT |
LV57331TT
Electrical Characteristics
at Ta
= 25°C, VIN = 2.6V, IL = 0A
Ratings
Parameter
Symbol
Conditions
min
typ
max
Unit
FB = 1.6V(Not switching)
1.4
2.0
mA
Power supply current consumption
IQ
SHDNB = 0V
5
10
A
Feedback voltage
VFB
1.215
1.245
1.275
V
Switch current limit
ICL
VIN = 2.8V
1.0
1.8
3.0
A
Line regulation
%VOUT/VIN
2.6V ≤ VIN ≤ 5.5V, IOUT = 0mA
0.05
0.2
%/V
Current of terminal FB bias
IB
-100
0
+100
nA
Input voltage range
VIN
2.6
5.5
V
Error amplifier transconductance
gm
300
S
Error amplifier voltage gain
AV
300
V/V
MAX on duty
Dmax
80
85
98
%
FSLCT = 0V or open
448
560
672
kHz
Switching frequency
fS
FSLCT = VIN
0.96
1.2
1.44
MHz
SHDNB = VIN
0.01
0.1
A
SHDNB pin current
ISHDNB
SHDNB = 0V
-0.4
-1
A
SW pin leak current
IL
VSW = 18V
0.01
3
A
SW pin ON resistance
RDSON
VIN = 2.8V, ISW = 1A
0.16
0.4
SHDNB [L] input threshold
VIL
0.3
0.6
V
SHDNB [H] input threshold
VIH
0.6
0.9
V
Input voltage on threshold
1.8
1.94
2.0
V
Input voltage off threshold
UVP
1.7
1.86
1.9
V
Soft start pin charge current
ISOFT
SS = 0V
6
15
24
A
Package Dimensions
unit : mm (typ)
3245B
Pd max -- Ta
0
0.2
0.4
0.6
0.8
1.0
--40
0
40
80
120
0.7
Allowable
power
dissipation,
Pd
max
-
W
Ambient temperature, Ta - C
With specified board
Specified board: 60.0
×60.0×1.6mm3
glass epoxy board.
0.28
--20
20
60
100
SANYO : MSOP8(150mil)
3.0
1.
1MAX
3.
0
0.
5
4.
9
12
8
0.25
0.65
(0.53)
(0.
85)
0.125
0.
08
No.A1660-2/4
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相关代理商/技术参数 |
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|---|---|
| LV57331TT-TLM-H | 功能描述:直流/直流开关调节器 1-CH SWITCHING REGULATOR RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
| LV573A | 制造商:TI 制造商全称:Texas Instruments 功能描述:OCTAL TRANSPARENT D-TYPE LATCHES WITH 3-STATE OUTPUTS |
| LV5743V | 制造商:SANYO 制造商全称:Sanyo Semicon Device 功能描述:Bi-CMOS LSI 2-channel Step-down Switching Regulator |
| LV5743V-TLM-E | 制造商:ON Semiconductor 功能描述:42V PWM BUCK CONTROLLER - Tape and Reel |
| LV5744V | 制造商:SANYO 制造商全称:Sanyo Semicon Device 功能描述:Bi-CMOS LSI 2-channel Step-down Switching Regulator |
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