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MP2451DT-Z

更新时间： 2024-11-10 15:44:03
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
14页 346K
描述
Switching Regulator, Current-mode, 0.85A, 2400kHz Switching Freq-Max, PDSO6, MO-193AB, SOT23, 6 PIN

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MP2451DT-Z 技术参数

是否无铅： 含铅是否Rohs认证： 不符合
生命周期：Active零件包装代码：TSSOP
包装说明：VSSOP, TSOP6,.11,37针数：6
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.17
其他特性：OUTPUT VOLTAGE IS ADJUSTABLE FROM 0.8 TO 28.8V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：36 V最小输入电压：3.3 V
标称输入电压：12 VJESD-30 代码：R-PDSO-G6
长度：2.9 mm功能数量：1
端子数量：6最高工作温度：85 °C
最低工作温度：-40 °C最大输出电流：0.85 A
封装主体材料：PLASTIC/EPOXY封装代码：VSSOP
封装等效代码：TSOP6,.11,37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）：NOT SPECIFIED
认证状态：Not Qualified座面最大高度：1 mm
子类别：Switching Regulator or Controllers表面贴装：YES
切换器配置：BUCK最大切换频率：2400 kHz
温度等级：INDUSTRIAL端子形式：GULL WING
端子节距：0.95 mm端子位置：DUAL
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：1.6 mm
Base Number Matches：1

MP2451DT-Z 数据手册

 浏览型号MP2451DT-Z的Datasheet PDF文件第2页浏览型号MP2451DT-Z的Datasheet PDF文件第3页浏览型号MP2451DT-Z的Datasheet PDF文件第4页浏览型号MP2451DT-Z的Datasheet PDF文件第5页浏览型号MP2451DT-Z的Datasheet PDF文件第6页浏览型号MP2451DT-Z的Datasheet PDF文件第7页 
MP2451  
36V, 2MHz, 0.6A  
Step-Down Converter  
The Future of Analog IC Technology  
DESCRIPTION  
FEATURES  
The MP2451 is a high frequency (2MHz) step-  
down switching regulator with integrated  
internal high-side high voltage power MOSFET.  
It provides single 0.6A (or less) highly efficient  
output with current mode control for fast loop  
response.  
•
•
•
•
•
•
•
•
130μA Operating Quiescent Current  
Wide 3.3V to 36V Operating Input Range  
500mΩ Internal Power MOSFET  
2MHz fixed Switching Frequency  
Internally compensated  
Stable with Ceramic Output Capacitors  
Internal Soft-Start  
Precision Current Limit Without Current  
Sensing Resistor  
> 90% Efficiency  
The wide 3.3V to 36V input range  
accommodates  
a
variety of step-down  
applications in automotive input environment. A  
3μA shutdown mode quiescent current allows  
use in battery-powered applications.  
•
•
•
•
Output Adjustable from +0.8V to 0.8xVIN  
3μA Low Shutdown Supply Current  
6-Lead SOT23 Package  
High power conversion efficiency over a wide  
load range is achieved by scaling down the  
switching frequency at light load condition to  
reduce the switching and gate driving losses.  
APPLICATIONS  
•
•
•
•
•
High Voltage Power Conversion  
Automotive Systems  
Industrial Power Systems  
Distributed Power Systems  
Battery Powered Systems  
Frequency fold-back helps prevent inductor  
current runaway during start-up. Thermal  
shutdown provides reliable, fault-tolerant  
operation.  
The MP2451 is available in the cost-effective  
SOT23-6L package.  
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  
V
OUT=5V  
95  
90  
85  
80  
75  
70  
VIN=8V  
C4  
L1  
VOUT  
5V/0.6A  
100nF  
6
1
SW  
BST  
VIN=24V  
VIN=36V  
VIN=12V  
D1  
MP2451  
VIN  
C1  
5
4
GND  
VIN  
EN  
65  
60  
55  
3
FB  
Control  
C3  
33pF  
50  
0
0.1 0.2 0.3 0.4 0.5 0.6  
OUTPUT CURRENT(A)  
MP2451 Rev. 1.32  
3/20/2014  
www.MonolithicPower.com  
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.  
© 2014 MPS. All Rights Reserved.  
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