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SN0405032 PDF预览

SN0405032

更新时间： 2024-11-15 21:05:11
品牌 Logo 应用领域
德州仪器 - TI 开关光电二极管
页数 文件大小 规格书
18页 306K
描述
3.5A SWITCHING REGULATOR, 1500kHz SWITCHING FREQ-MAX, PDSO6, PLASTIC, SON-6

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SN0405032 技术参数

生命周期：Obsolete零件包装代码：SON
包装说明：HVSON,针数：6
Reach Compliance Code：unknownECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.84
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：7 V
最小输入电压：4.5 VJESD-30 代码：S-PDSO-N6
长度：3 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：最大输出电流：3.5 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
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：1500 kHz温度等级：OTHER
端子形式：NO LEAD端子节距：0.95 mm
端子位置：DUAL宽度：3 mm
Base Number Matches：1

SN0405032 数据手册

 浏览型号SN0405032的Datasheet PDF文件第2页浏览型号SN0405032的Datasheet PDF文件第3页浏览型号SN0405032的Datasheet PDF文件第4页浏览型号SN0405032的Datasheet PDF文件第5页浏览型号SN0405032的Datasheet PDF文件第6页浏览型号SN0405032的Datasheet PDF文件第7页 
SN0405032  
www.ti.com  
SLUS626A–NOVEMBER 2004–REVISED FEBRUARY 2005  
6-PIN NON-SYNCHRONOUS BUCK CONVERTER  
APPLICATIONS  
FEATURES  
•
Disk Drives  
Set Top Box  
•
•
•
Input Voltage Range 4 VDC to 7 VDC  
Reference 0.8 V ±1%  
•
Current Mode Control with Internal Slope  
Compensation  
DESCRIPTION  
The SN0405032 is a fixed-frequency, current-mode,  
non-synchronous buck converter optimized for appli-  
cations powered by a 4.5 V to 7 V distributed source.  
With internally determined operating frequency,  
soft-start time, and control loop compensation, the  
SN0405032 provides many features with a minimum  
of external components.  
•
•
•
•
•
•
•
•
Internal Loop Compensation  
0 A to 1.5 A Current Capability  
Short Circuit Protection  
Efficiency > 70% @100 mA to 1.5-A Load  
Internal 250 mΩ N-Channel MOSFET Switch  
Internal Soft-Start  
The SN0405032 operates at 1.25 MHz at output  
loads up to 1.5 A for output voltages as low as 0.8 V.  
The SN0405032 utilizes pulse-by-pulse current limit  
as well as frequency foldback to protect the converter  
during a catastrophic short circuited output condition.  
Switching Frequency 1.25 MHz  
Thermal Shutdown  
SIMPLIFIED APPLICATION DIAGRAM  
TYPICAL EFFICIENCY  
100  
V
IN  
V
= 5 V  
IN  
95  
C1  
6
5
4
90  
85  
BOOST AVIN PVIN  
C2  
SN0405032  
V
OUT  
= 3.3 V  
FB GND SW  
1
2
3
80  
75  
70  
65  
60  
V
OUT  
L1  
R1  
C3  
D1  
V
OUT  
= 1.25 V  
R2  
UDG−04135  
0
0.2  
0.4  
0.6  
0.8  
1.0  
1.2  
1.4  
1.6  
I
− Load Current − A  
LOAD  
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas  
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 2004–2005, Texas Instruments Incorporated  
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