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MP1474DJ-LF PDF预览

MP1474DJ-LF

更新时间: 2024-11-24 21:10:31
品牌 Logo 应用领域
芯源 - MPS 开关光电二极管输出元件
页数 文件大小 规格书
16页 456K
描述
Switching Regulator, Current-mode, 500kHz Switching Freq-Max, PDSO8, ROHS COMPLIANT, MO-193BA, TSOT-23, 8 PIN

MP1474DJ-LF 技术参数

是否Rohs认证: 符合生命周期:Not Recommended
包装说明:VSSOP, TSSOP8,.1Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.24其他特性:ADJUSTABLE OUTPUT MODE FROM 0.8 TO 13V
模拟集成电路 - 其他类型:SWITCHING REGULATOR控制模式:CURRENT-MODE
控制技术:PULSE WIDTH MODULATION最大输入电压:16 V
最小输入电压:4.5 V标称输入电压:12 V
JESD-30 代码:R-PDSO-G8JESD-609代码:e3
长度:2.9 mm湿度敏感等级:1
功能数量:1端子数量:8
最高工作温度:125 °C最低工作温度:-40 °C
最大输出电压:13 V最小输出电压:0.8 V
封装主体材料:PLASTIC/EPOXY封装代码:VSSOP
封装等效代码:TSSOP8,.1封装形状:RECTANGULAR
封装形式:SMALL OUTLINE, VERY THIN PROFILE, SHRINK PITCH峰值回流温度(摄氏度):260
座面最大高度:1 mm最大供电电流 (Isup):1 mA
标称供电电压 (Vsup):12 V表面贴装:YES
切换器配置:BUCK最大切换频率:500 kHz
温度等级:AUTOMOTIVE端子面层:Matte Tin (Sn)
端子形式:GULL WING端子节距:0.65 mm
端子位置:DUAL处于峰值回流温度下的最长时间:40
宽度:1.6 mmBase Number Matches:1

MP1474DJ-LF 数据手册

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MP1474  
High-Efficiency, 2A, 16V, 500kHz  
Synchronous, Step-Down Converter  
The Future of Analog IC Technology  
DESCRIPTION  
FEATURES  
The MP1474 is a high-frequency, synchronous,  
rectified, step-down, switch-mode converter  
with built-in power MOSFETs. It offers a very  
compact solution to achieve a 2A continuous  
output current with excellent load and line  
regulation over a wide input supply range. The  
MP1474 has synchronous mode operation for  
higher efficiency over the output current load  
range.  
Wide 4.5V-to-16V Operating Input Range  
100m/40mLow RDS(ON) Internal Power  
MOSFETs  
High-Efficiency Synchronous Mode  
Operation  
Fixed 500kHz Switching Frequency  
Synchronizes from a 200kHz-to-2MHz  
External Clock  
Power-Save Mode at Light Load  
Internal Soft-Start  
Power Good Indicator  
OCP Protection and Hiccup  
Thermal Shutdown  
Output Adjustable from 0.8V  
Available in an 8-pin TSOT-23 Package  
Current-mode operation provides fast transient  
response and eases loop stabilization.  
Full protection features include over-current  
protection and thermal shut down.  
The MP1474 requires a minimal number of  
readily-available standard external components,  
and is available in a space-saving 8-pin  
TSOT23 package.  
APPLICATIONS  
Notebook Systems and I/O Power  
Digital Set-Top Boxes  
Flat-Panel Television and Monitors  
Distributed Power Systems  
All MPS parts are lead-free and adhere to the RoHS directive. For MPS green  
status, please visit MPS website under Quality Assurance. “MPS” and “The  
Future of Analog IC Technology” are Registered Trademarks of Monolithic  
Power Systems, Inc.  
TYPICAL APPLICATION  
Efficiency vs.  
Output Current  
R3  
20  
4.5V-16V  
5
2
V
=3.3V, I =0.01A-2A  
VIN  
IN  
BST  
SW  
OUT  
OUT  
100  
95  
90  
85  
80  
75  
70  
65  
60  
55  
50  
C1  
22  
C4  
MP1474  
3.3V/2A  
3
V
=5V  
IN  
6
7
1
EN/SYNC  
L1  
V
=12V  
IN  
C2  
47  
EN/  
R1  
SYNC  
R6  
16k  
V
=16V  
40.2k  
IN  
VCC  
8
FB  
R5  
100k  
C5  
0.1  
R2  
13k  
PG  
GND  
4
0.0  
0.4  
0.8  
1.2  
1.6  
2.0  
OUTPUT CURRENT (A)  
MP1474 Rev. 1.0  
9/26/2012  
www.MonolithicPower.com  
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.  
© 2012 MPS. All Rights Reserved.  
1

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