参数资料
| 型号： | LV5744V-TLM-E |
| 厂商： | ON Semiconductor |
| 文件页数： | 2/6页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK SYNC ADJ DL 16SSOP |
| 标准包装： | 2,000 |
| 类型： | 降压（降压） |
| 输出类型： | 可调式 |
| 输出数： | 2 |
| 输出电压： | 可调至 2.52V |
| 输入电压： | 8 V ~ 33 V |
| 频率 - 开关： | 20kHz ~ 1MHz |
| 同步整流器： | 是 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-LSSOP（0.175"，4.40mm 宽） |
| 包装： | 带卷 (TR) |
| 供应商设备封装： | 16-SSOP |
LV5744V
Allowable Operating Ratings at Ta = 25 ° C
Parameter
Supply voltage
Error amplifier input voltage
Timing capacitance
Oscillation frequency
Symbol
VCC
VIN
CCT
FCT
Conditions
Ratings
8 to 33
0 to 3.3
50 to 5000
20k to 1M
Unit
V
V
pF
Hz
Electrical Characteristics at Ta = 25°C, VCC = 12V
Parameter
Symbol
Conditions
min
Ratings
typ
max
Unit
Reference voltage block
Output voltage
Input stability
Load stability
VIN-5V supply voltage
Vref
VDLI
VDLO
VN5
Iref = 1mA
VCC = 8 to 33V
Iref = 0 to 5mA
IOUT = -5mA
2.4948
VCC-5.5
2.520
1
1
VCC-5.0
2.5452
10
10
VCC-4.5
V
mV
mV
V
Triangular wave oscillator block
Oscillation frequency
Frequency fluctuation
FOSC
FDV
CCT = 220pF
VCC = 8 to 33V
320
400
1
480
kHz
%
Protection circuit block
Threshold voltage
Standby voltage
Latch voltage
Source current
Comparator threshold voltage
VIT
VSTB
VLT
ISCP
VCT
1.5
1.6
1.4
1.7
50
30
2.1
1.5
1.9
100
100
2.6
1.6
V
mV
mV
μ A
V
Quiescent time adjustment circuit block
Input threshold voltage
(fosc = 20kHz)
Input bias current
Vt0
Vt100
IBDT
Duty cycle = 0%
Duty cycle = 100%
DT1, DT2 = 0V
0.45
0.95
0.5
1.0
0.1
0.55
1.05
1
V
V
μ A
Low voltage malfunction prevention circuit block
Threshold voltage
VUT
6.5
7
7.5
V
Error amplifier
Input offset voltage
Input offset current
VIO
IIO
6
30
mV
nA
Input bias current
Open gain
IIB
AV
15
85
100
nA
dB
Common mode input voltage range
Common mode rejection ratio
Maximum output voltage
Minimum output voltage
Output sink current
Output source current
VOM
CMRR
VOH
VOL
IOI
IOO
VCC = 8 to 33V
FB = 1.25V
FB = 1.25V
0
80
2.6
0.2
1
85
3.3
0.4
V
dB
V
V
mA
μ A
PWM comparator
Input threshold voltage
(fosc = 20kHz)
Vt0
Vt100
Duty cycle = 0%
Duty cycle = 100%
0.45
0.95
0.5
1.0
0.55
1.05
V
V
Output block
Output stage on resistance (upper)
Output stage on resistance (lower)
RONH
RONL
7
2
Ω
Ω
Overall device characteristics
Standby current
ICCS
When output is off
10
mA
No.A1241-2/6
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LV5747NTT | 制造商:SANYO 制造商全称:Sanyo Semicon Device 功能描述:1-channel Step-down Switching Regulator |
| LV5747NTT-TLM-E | 功能描述:直流/直流开关转换器 1-CH SWITCHING REGULATOR RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
| LV5747QA | 制造商:SANYO 制造商全称:Sanyo Semicon Device 功能描述:1-channel Step-down Switching Regulator |
| LV5747QA-NH | 制造商:ON Semiconductor 功能描述:DC-DC CONVERTER (BUCK) - Tape and Reel |
| LV5747TT | 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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