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TPS57140QDGQRQ1 PDF预览

TPS57140QDGQRQ1

更新时间: 2024-02-04 09:27:41
品牌 Logo 应用领域
德州仪器 - TI 转换器稳压器开关式稳压器或控制器电源电路开关式控制器光电二极管
页数 文件大小 规格书
49页 1717K
描述
1.5-A 42-V STEP-DOWN SWIFT™ DC/DC CONVERTER WITH Eco-mode™ CONTROL

TPS57140QDGQRQ1 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:MSOP
包装说明:MSOP-10针数:10
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01Factory Lead Time:6 weeks
风险等级:1.68Is Samacsys:N
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-G10JESD-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
最大输出电流:1.5 A最大输出电压:39 V
最小输出电压:0.8 V封装主体材料:PLASTIC/EPOXY
封装代码:HTSSOP封装等效代码:TSSOP10,.19,20
封装形状:SQUARE封装形式:SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH
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:1.1 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:GULL WING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 mmBase Number Matches:1

TPS57140QDGQRQ1 数据手册

 浏览型号TPS57140QDGQRQ1的Datasheet PDF文件第2页浏览型号TPS57140QDGQRQ1的Datasheet PDF文件第3页浏览型号TPS57140QDGQRQ1的Datasheet PDF文件第4页浏览型号TPS57140QDGQRQ1的Datasheet PDF文件第5页浏览型号TPS57140QDGQRQ1的Datasheet PDF文件第6页浏览型号TPS57140QDGQRQ1的Datasheet PDF文件第7页 
TPS57140-Q1  
www.ti.com  
SLVSAP3A DECEMBER 2010REVISED MARCH 2011  
1.5-A 42-V STEP-DOWN SWIFTDC/DC CONVERTER  
WITH Eco-modeCONTROL  
Check for Samples: TPS57140-Q1  
1
FEATURES  
Adjustable Undervoltage Lockout Voltage and  
Hysteresis  
2
Qualified for Automotive Applications  
3.5-V to 42-V Input Voltage Range  
200-mHigh-Side MOSFET  
0.8-V Internal Voltage Reference  
Supported by SwitcherProSoftware Tool  
(http://focus.ti.com/docs/toolsw/folders/print/s  
witcherpro.html)  
High Efficiency at Light Loads With  
Pulse-Skipping Eco-modeControl Scheme  
For SWIFTDocumentation, See the TI  
Website at http://www.ti.com/swift  
116-μA Operating Quiescent Current  
1.5-μA Shutdown Current  
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  
Aftermarket Automotive Accessories: Video,  
GPS, Entertainment  
Undervoltage and Overvoltage Power Good  
Output  
DESCRIPTION  
The TPS57140-Q1 device is a 42-V 1.5-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, regulated output supply current to 116 μA. Using the enable pin, shutdown  
supply current is reduced to 1.5 μA.  
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/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 TPS57140-Q1 is available in a 10-pin thermally enhanced MSOP PowerPADpackage (DGQ) and a  
10-pin SON package (DRC).  
SIMPLIFIED SCHEMATIC  
EFFICIENCY  
vs  
LOAD CURRENT  
VIN  
PWRGD  
90  
85  
80  
75  
70  
65  
60  
55  
50  
TPS57140-Q1  
EN  
BOOT  
PH  
SS/TR  
RT/CLK  
COMP  
VI = 12 V,  
VO = 3.3 V,  
fsw = 1200 kHz  
VSENSE  
GND  
0
0.25  
0.50 0.75  
1
1.25 1.50  
1.75  
2
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 © 20102011, Texas Instruments Incorporated  

TPS57140QDGQRQ1 替代型号

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