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参数资料
| 型号： | LV5749V |
| 元件分类： | 稳压器 |
| 英文描述： | SWITCHING REGULATOR, PDSO16 |
| 封装： | 0.225 INCH, SSOP-16 |
| 文件页数： | 2/6页 |
| 文件大小： | 75K |
| 代理商： | LV5749V |
LV5749V
No.A1376-2/6
Electrical Characteristics at Ta
= 25°C, VIN = 12V
Ratings
Parameter
Symbol
Conditions
min
typ
max
Unit
Reference voltage block
Internal reference voltage
Vref
Including offset of E/A
0.654
0.67
0.686
V
5V power supply
VDD
IOUT = 0 to 5mA
4.7
5.2
5.7
V
Triangular waveform oscillator block
Oscillation frequency
FOSC
RT = 220k
Ω
110
125
140
kHz
Frequency variation
FOSC DV
VIN = 8.5 to 42V
1
%
ON/OFF circuit block
IC start-up voltage
VEN on
2.5
3.0
3.5
V
IC off voltage
VEN off
1.0
1.2
1.4
V
Soft start circuit block
Soft start source current
ISS SC
EN
> 3.5V
4
5
6
μA
Soft start sink current
ISS SK
EN
< 1V
2
mA
UVLO circuit block
UVLO lock release voltage
VUVLO
7.5
8.0
8.5
V
UVLO hysteresis
VUVLO H
0.7
V
OCP circuit block
OCP charge current
IOCP
5
μA
Error amplifier
Input bias current
IEA IN
100
nA
Error amplifier transconductance
GEA
1000
1400
1800
μA/V
Sink output current
IEA OSK
FB = 1.0V
-100
μA
Source output current
IEA OSC
FB = 0V
100
μA
Current detection amplifier gain
GISNS
1.5
over current limiter circuit block
Reference current 1
ILIM1
MODE = L (GND)
-10%
18.5
+10%
μA
Reference current 2
ILIM2
MODE = H (VIN)
-10%
37.0
+10%
μA
Over current detection comparator
offset voltage
VLIM OFS
-5
+5
mA
Over current detection comparator
common mode input range
VIN-0.45
VIN
V
PWM comparator
Vt max
Duty cycle = DMAX
0.9
1.0
1.1
V
Input threshold voltage
(fosc = 125kHz)
Vt0
Duty cycle = 0%
0.4
0.5
0.6
V
Maximum ON duty
DMAX
80
85
90
%
Output block
Output stage ON resistance
(the upper side)
RONH
5
Ω
Output stage ON resistance
(the under side)
RONL
5
Ω
Output stage ON current
(the upper side)
IONH
240
mA
Output stage ON current
(the under side)
IONL
240
mA
The whole device
Standby current
ICCS
EN
< 1V
10
μA
Mean consumption current
ICCA
EN
> 3.5V
3
mA
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LV5749V-MPB-E | 功能描述:直流/直流开关调节器 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 |
| LV5749V-TLM-E | 功能描述:直流/直流开关调节器 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 |
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| LV5761V | 制造商:SANYO 制造商全称:Sanyo Semicon Device 功能描述:1-channel Step-down Switching Regulator |
| LV5761V_0909 | 制造商:SANYO 制造商全称:Sanyo Semicon Device 功能描述:1-channel Step-down Switching Regulator |
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