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MP2490DQ PDF预览

MP2490DQ

更新时间: 2024-11-11 19:20:23
品牌 Logo 应用领域
芯源 - MPS 开关光电二极管
页数 文件大小 规格书
13页 332K
描述
Switching Regulator, Current-mode, 3A, 840kHz Switching Freq-Max, PDSO10, 3 X 3 MM, MO-229VEED-5, QFN-10

MP2490DQ 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:SON
包装说明:HVSON,针数:10
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.16
其他特性:OPERATES IN ADJUSTABLE MODE FROM 0.8 V TO 15 V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:4.5 V
标称输入电压:12 VJESD-30 代码:S-PDSO-N10
长度:3 mm功能数量:1
端子数量:10最高工作温度:85 °C
最低工作温度:-40 °C最大输出电流:3 A
封装主体材料:PLASTIC/EPOXY封装代码:HVSON
封装形状:SQUARE封装形式:SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE
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表面贴装:YES
切换器配置:BUCK最大切换频率:840 kHz
温度等级:INDUSTRIAL端子形式:NO LEAD
端子节距:0.5 mm端子位置:DUAL
处于峰值回流温度下的最长时间:NOT SPECIFIED宽度:3 mm
Base Number Matches:1

MP2490DQ 数据手册

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MP2490  
1.5A, 36V, 700KHz Step-Down Converter  
with Programmable Output Current Limit  
The Future of Analog IC Technology  
DESCRIPTION  
FEATURES  
Wide 4.5V to 36V Operating Input Range  
Programmable up to 1.5A Output Current  
Output Adjustable from 0.8V to 15V  
Programmable Output Current Limit without  
power loss  
The MP2490 is a monolithic step-down switch  
mode converter with a programmable output  
current limit. It achieves 1.5A continuous output  
current over a wide input supply range with  
excellent load and line regulation.  
0.25Internal Power MOSFET Switch  
Stable with Low ESR Output Ceramic  
Capacitors  
95% Efficiency @ 500mA (Vo=5V)  
Fixed 700KHz Frequency  
The maximum output current can be  
programmed by sensing current through the  
inductor DC resistance (DCR) or an accurate  
sense resistor.  
Fault condition protection includes cycle-by-cycle  
current limiting and thermal shutdown.  
Thermal Shutdown  
Cycle-by-Cycle Over Current Protection  
Available in QFN10 (3mm x 3mm), 8-Pin  
SOIC and PDIP Packages  
The MP2490 requires a minimum number of  
readily available standard external components.  
The MP2490 is available in QFN10 (3mm x 3mm),  
8-pin SOIC and PDIP packages.  
APPLICATIONS  
USB Power Supplies  
Automotive Cigarette Lighter Adapters  
Power Supply for Linear Chargers  
“MPS” and “The Future of Analog IC Technology” are Registered Trademarks of  
Monolithic Power Systems, Inc.  
TYPICAL APPLICATION  
Efficiency vs.  
Load Current  
8
9
100  
V
=8V  
BST  
PGOOD  
IN  
6
7
1
VIN  
ISN  
VIN  
90  
80  
70  
60  
50  
4.5V - 36V  
PGOOD  
ISP  
R8  
5V  
V-PULL-UP  
V
=12V  
C9  
IN  
10nF  
MP2490  
R5  
3
EN  
EN  
SS  
L1  
VOUT  
GND  
10  
SW  
FB  
D1  
4
5
V
=24V  
IN  
GND  
2
V
=5V  
OUT  
10  
100  
1000  
10000  
LOAD CURRENT (mA)  
MP2490 Rev. 0.92  
4/23/2010  
www.MonolithicPower.com  
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.  
© 2010 MPS. All Rights Reserved.  
1

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