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MP2493DS PDF预览

MP2493DS

更新时间: 2024-02-25 17:51:47
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
12页 1195K
描述
Switching Regulator, Current-mode, 3.5A, 160kHz Switching Freq-Max, PDSO8, MS-012AA, SOIC-8

MP2493DS 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:SOIC
包装说明:SOP,针数:8
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.18
其他特性:OPERATES IN ADJUSTABLE MODE FROM 0.8 TO 15V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:R-PDSO-G8
长度:4.9 mm功能数量:1
端子数量:8最高工作温度:85 °C
最低工作温度:-40 °C最大输出电流:3.5 A
封装主体材料:PLASTIC/EPOXY封装代码:SOP
封装形状:RECTANGULAR封装形式:SMALL OUTLINE
峰值回流温度(摄氏度):NOT SPECIFIED认证状态:Not Qualified
座面最大高度:1.75 mm表面贴装:YES
切换器配置:BUCK最大切换频率:160 kHz
温度等级:INDUSTRIAL端子形式:GULL WING
端子节距:1.27 mm端子位置:DUAL
处于峰值回流温度下的最长时间:NOT SPECIFIED宽度:3.9 mm
Base Number Matches:1

MP2493DS 数据手册

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MP2493  
2A, 36V, Low EMI Step-Down Converter  
with Programmable Output Current Limit  
The Future of Analog IC Technology  
DESCRIPTION  
FEATURES  
The MP2493 is a monolithic step-down switch  
mode converter with a programmable output  
current limit. It achieves 2A continuous output  
current over a wide input supply range with  
excellent load and line regulation.  
Wide 4.5V to 36V Operating Input Range  
Programmable up to 2A Output Current  
Output Adjustable from 0.8V to 15V  
Programmable Output Current Limit without  
power loss  
The maximum output current can be  
programmed by sensing current through the  
inductor DC resistance (DCR) or an accurate  
sense resistor.  
0.25Internal Power MOSFET Switch  
Stable with Low ESR Output Ceramic  
Capacitors  
Up to 95% Efficiency  
Fixed 130kHz Frequency with low EMI  
Thermal Shutdown  
Cycle-by-Cycle Over Current Protection  
Available in 8-Pin SOIC and 8-pin SOIC8E  
Packages  
Fault condition protection includes cycle-by-cycle  
current limiting and thermal shutdown.  
The MP2493 requires a minimum number of  
readily available standard external components.  
The MP2493 is available in 8-pin SOIC, and 8-  
pin SOICE 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  
V
=5V  
OUT  
D2  
NS  
5V  
100  
R8  
0
U1  
7
C9  
0.1uF  
R4  
1k  
BST  
92  
84  
76  
68  
60  
5
6
6V - 36V  
1
ISN  
VIN  
VIN  
+
C5  
0.1uF  
V
=12V  
IN  
C6  
47nF  
R9  
20k  
MP2493  
ISP  
C10  
4.7nF  
SW  
R3  
4.7k  
R6  
4.02k  
5V@2A  
GND  
8
SW  
FB  
VOUT  
GND  
L1  
33uH  
TP2  
C11  
0.1uF  
R7  
200k  
R1  
604k  
1%  
DR1040-330-R  
D1  
3A/40V  
3
4
+
SS  
GND  
2
R5  
0
R2  
115k  
1%  
C7  
150pF  
TP1  
0
0.4  
0.8  
1.2  
1.6  
2
OUTPUT CURRENT (A)  
MP2493 Rev. 0.9  
4/23/2010  
www.MonolithicPower.com  
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.  
© 2010 MPS. All Rights Reserved.  
1

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