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21DQ04 PDF预览

21DQ04

更新时间: 2024-02-22 02:49:39
品牌 Logo 应用领域
芯源 - MPS 转换器
页数 文件大小 规格书
11页 251K
描述
2A, 32V, 330KHz Step-Down Converter

21DQ04 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Obsolete零件包装代码:DO-41
包装说明:O-PALF-W2针数:2
Reach Compliance Code:unknownECCN代码:EAR99
HTS代码:8541.10.00.80风险等级:5.53
其他特性:FREE WHEELING DIODE, HIGH RELIABILITY应用:GENERAL PURPOSE
外壳连接:ISOLATED配置:SINGLE
二极管元件材料:SILICON二极管类型:RECTIFIER DIODE
JEDEC-95代码:DO-204ALJESD-30 代码:O-PALF-W2
最大非重复峰值正向电流:420 A元件数量:1
相数:1端子数量:2
最高工作温度:150 °C最低工作温度:-40 °C
最大输出电流:2 A封装主体材料:PLASTIC/EPOXY
封装形状:ROUND封装形式:LONG FORM
峰值回流温度(摄氏度):NOT SPECIFIED认证状态:Not Qualified
最大重复峰值反向电压:40 V表面贴装:NO
技术:SCHOTTKY端子形式:WIRE
端子位置:AXIAL处于峰值回流温度下的最长时间:NOT SPECIFIED
Base Number Matches:1

21DQ04 数据手册

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MP1591  
2A, 32V, 330KHz  
Step-Down Converter  
The Future of Analog IC Technology  
DESCRIPTION  
FEATURES  
The MP1591 is a high voltage step-down  
converter ideal for automotive power adapter  
battery chargers. Its wide 6.5V to 32V input  
voltage range covers the automotive battery’s  
requirements and it achieves 2A continuous  
output for quick charge capability.  
Wide 6.5V to 32V Input Operating Range  
34V Absolute Maximum Input  
2A Output Current  
120mInternal Power MOSFET Switch  
Stable with Low ESR Output Ceramic  
Capacitors  
Up to 95% Efficiency  
20µA Shutdown Mode  
Fixed 330KHz Frequency  
Thermal Shutdown  
Cycle-by-Cycle Over Current Protection  
Output Adjustable From 1.23V to 21V  
Under Voltage Lockout  
Reference Voltage Output  
Available in 8-Pin SOIC Packages  
Current mode operation provides fast transient  
response and eases loop stabilization. Fault  
protection includes cycle-by-cycle current  
limiting and thermal shutdown. In shutdown  
mode, the converter draws only 20µA of supply  
current.  
The MP1591 requires a minimum number of  
readily available external components to  
complete a 2A step-down DC to DC converter  
solution.  
APPLICATIONS  
EVALUATION BOARD REFERENCE  
Automotive Power Adapters  
PDA and Cellular Phone Battery Chargers  
Distributed Power Systems  
Board Number  
Dimensions  
EV0020  
2.1”X x 1.4”Y x 0.5”Z  
Automotive Aftermarket Electronics  
“MPS” and “The Future of Analog IC Technology” are Registered Trademarks of  
Monolithic Power Systems, Inc.  
TYPICAL APPLICATION  
C2  
10nF  
Efficiency vs  
INPUT  
6.5V to 32V  
Load Current  
100  
V
=5V  
OUT  
90  
80  
70  
60  
50  
40  
30  
20  
2
1
V
=3.3V  
OUT  
IN  
BS  
OUTPUT  
2.5V  
2A  
7
8
3
EN  
SW  
OFF ON  
MP1591  
D1  
5
OPEN  
NOT USED  
REF  
GND  
FB  
COMP  
4
6
C4  
4.7nF  
C3  
V
=12V  
IN  
OPEN  
0
0.5  
1
1.5  
2
LOAD CURRENT (A)  
MP1591 Rev. 2.3  
9/27/2006  
www.MonolithicPower.com  
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.  
© 2006 MPS. All Rights Reserved.  
1

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