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TPS54040QDRCRQ1 PDF预览

TPS54040QDRCRQ1

更新时间: 2024-11-23 11:58:23
品牌 Logo 应用领域
德州仪器 - TI 转换器
页数 文件大小 规格书
53页 2159K
描述
0.5-A 42-V STEP-DOWN SWIFT™ DC/DC CONVERTER WITH Eco-mode™

TPS54040QDRCRQ1 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:SON
包装说明:HVSON, SOLCC10,.12,20针数:10
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01Factory Lead Time:1 week
风险等级:7.31Samacsys Description:DC/DC CONVERTER
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:42 V
最小输入电压:3.5 V标称输入电压:12 V
JESD-30 代码:S-PDSO-N10JESD-609代码:e4
长度:3 mm湿度敏感等级:3
功能数量:1端子数量:10
最高工作温度:125 °C最低工作温度:-40 °C
封装主体材料:PLASTIC/EPOXY封装代码:HVSON
封装等效代码:SOLCC10,.12,20封装形状:SQUARE
封装形式:SMALL OUTLINE峰值回流温度(摄氏度):260
认证状态:Not Qualified筛选级别:AEC-Q100
座面最大高度:1 mm子类别:Switching Regulator or Controllers
表面贴装:YES切换器配置:BUCK
最大切换频率:2500 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:0.5 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

TPS54040QDRCRQ1 数据手册

 浏览型号TPS54040QDRCRQ1的Datasheet PDF文件第2页浏览型号TPS54040QDRCRQ1的Datasheet PDF文件第3页浏览型号TPS54040QDRCRQ1的Datasheet PDF文件第4页浏览型号TPS54040QDRCRQ1的Datasheet PDF文件第5页浏览型号TPS54040QDRCRQ1的Datasheet PDF文件第6页浏览型号TPS54040QDRCRQ1的Datasheet PDF文件第7页 
TPS54040-Q1  
www.ti.com  
SLVSA26D JANUARY 2010REVISED AUGUST 2012  
0.5-A 42-V STEP-DOWN SWIFT™ DC/DC CONVERTER  
WITH Eco-mode™  
Check for Samples: TPS54040-Q1  
1
FEATURES  
2
Qualified for Automotive Applications  
Adjustable Undervoltage Lockout Voltage and  
Hysteresis  
3.5-V to 42-V Input Voltage Range  
0.8-V Internal Voltage Reference  
200-mHigh-Side MOSFET  
Supported by SwitcherPro™ Software Tool  
(http://focus.ti.com/docs/toolsw/folders/print/s  
witcherpro.html)  
High Efficiency at Light Loads with a Pulse  
Skipping Eco-mode™ Control Scheme  
116-μA Operating Quiescent Current  
1.3-μA Shutdown Current  
For SWIFT™ Documentation, See the TI  
Website at http://www.ti.com/swift  
100-kHz to 2.5-MHz Switching Frequency  
Synchronizes to External Clock  
Adjustable Slow Start/Sequencing  
APPLICATIONS  
12-V and 24-V Industrial and Commercial Low  
Power Systems  
Undervoltage and Overvoltage Power-good  
Output  
Aftermarket Auto Accessories: Video, GPS,  
Entertainment  
DESCRIPTION  
The TPS54040 device is a 42-V 0.5-A step-down regulator with an integrated high-side MOSFET. Current mode  
control provides simple external compensation and flexible component selection. A low-ripple pulse-skip mode  
reduces the no load, input supply current to 116 μA. Using the enable pin, shutdown supply current is reduced to  
1.3 μA, when the enable pin is low.  
Undervoltage lockout is internally set at 2.5 V, but can be increased using the enable pin. The output voltage  
startup ramp is controlled by the slow start pin that can also be configured for sequencing or tracking. An open  
drain power-good signal indicates the output is within 92% to 109% of its nominal voltage.  
A wide switching frequency range allows efficiency and external component size to be optimized. Frequency fold  
back and thermal shutdown protects the part during an overload condition.  
The TPS54040 is available in a 10-pin thermally enhanced MSOP PowerPAD™ package (DGQ) and a 10-pin  
SON package (DRC).  
SIMPLIFIED SCHEMATIC  
EFFICIENCY  
vs  
LOAD CURRENT  
VIN  
PWRGD  
TPS54040  
100  
90  
80  
70  
60  
50  
EN  
BOOT  
PH  
40  
SS/TR  
RT/CLK  
COMP  
30  
20  
VI = 12 V,  
VO = 5.0 V,  
fsw = 700 kHz  
VSENSE  
GND  
10  
0
0
0.1  
0.2  
0.3  
0.4  
0.5  
Load Current - A  
1
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.  
Eco-mode, SwitcherPro, SWIFT, PowerPAD are trademarks of Texas Instruments.  
2
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 © 2010–2012, Texas Instruments Incorporated  
 
 

TPS54040QDRCRQ1 替代型号

型号 品牌 替代类型 描述 数据表
TPS57040QDRCRQ1 TI

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