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TPS40222DRPT PDF预览

TPS40222DRPT

更新时间: 2024-11-20 08:39:03
品牌 Logo 应用领域
德州仪器 - TI 转换器
页数 文件大小 规格书
26页 698K
描述
1.6-A, 1.25-MHz BUCK CONVERTER IN A 3 mm 3 mm SON PACKAGE

TPS40222DRPT 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Active零件包装代码:SON
包装说明:HVSON,针数:6
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01Factory Lead Time:1 week
风险等级:0.99其他特性:ALSO OPERATES IN ADJUSTABLE MODE FROM 0.8 TO 7.2V
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:8 V
最小输入电压:4.5 V标称输入电压:5 V
JESD-30 代码:S-PDSO-N6JESD-609代码:e4
长度:3 mm湿度敏感等级:2
功能数量:1端子数量:6
最高工作温度:125 °C最低工作温度:-40 °C
最大输出电流:1.6 A最大输出电压:7 V
最小输出电压:0.8 V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):260
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:1250 kHz温度等级:AUTOMOTIVE
端子面层:Nickel/Palladium/Gold (Ni/Pd/Au)端子形式:NO LEAD
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:3 mm

TPS40222DRPT 数据手册

 浏览型号TPS40222DRPT的Datasheet PDF文件第2页浏览型号TPS40222DRPT的Datasheet PDF文件第3页浏览型号TPS40222DRPT的Datasheet PDF文件第4页浏览型号TPS40222DRPT的Datasheet PDF文件第5页浏览型号TPS40222DRPT的Datasheet PDF文件第6页浏览型号TPS40222DRPT的Datasheet PDF文件第7页 
TPS40222  
www.ti.com  
SLUS642AOCTOBER 2005REVISED JANUARY 2006  
1.6-A, 1.25-MHz BUCK CONVERTER IN A 3 mm × 3 mm SON PACKAGE  
FEATURES  
APPLICATIONS  
Disk Drives  
Set Top Box  
Point of Load Power  
ASIC Power Supplies  
Input Voltage Range 4.5 VDC to 8 VDC  
Output Voltage (0.8 V to 90% VIN)  
0 A to 1.6 A Current Capability  
Fixed 1.25-MHz Switching Frequency  
Reference 0.8 V ±1%  
DESCRIPTION  
Internal 250 mN-Channel MOSFET Switch  
The TPS40222 is a fixed-frequency, current-mode,  
non-synchronous buck converter optimized for  
applications powered by a 5-V distributed source.  
With internally determined operating frequency,  
soft-start time, and control loop compensation, the  
TPS40222 provides many features with a minimum of  
external components.  
Current Mode Control with Internal Slope  
Compensation  
Internal Soft-Start  
Internal Loop Compensation  
Short Circuit Protection  
Thermal Shutdown  
The TPS40222 operates at 1.25 MHz and supports  
up to 1.6-A output loads. The output voltage can be  
programmed to as low as 0.8 V. The TPS40222  
utilizes pulse-by-pulse current limit as well as  
frequency foldback to protect the converter during a  
catastrophic short circuited output condition.  
High Efficiency Up to 92%  
Small 3 mm × 3 mm SON Package  
SIMPLIFIED APPLICATION DIAGRAM  
TYPICAL EFFICIENCY  
vs  
LOAD CURRENT  
V
IN  
100  
V
IN  
= 5 V  
95  
90  
85  
C1  
6
5
4
BOOST AVIN PVIN  
TPS40222  
C2  
V
OUT  
= 3.3 V  
FB GND SW  
1
2
3
80  
V
OUT  
L1  
75  
70  
R1  
C3  
D1  
V
OUT  
= 1.25 V  
65  
60  
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 © 2005–2006, Texas Instruments Incorporated  

TPS40222DRPT 替代型号

型号 品牌 替代类型 描述 数据表
TPS40222DRPR TI

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