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TPS54040DGQR PDF预览

TPS54040DGQR

更新时间: 2024-11-23 06:02:47
品牌 Logo 应用领域
德州仪器 - TI 转换器
页数 文件大小 规格书
47页 2516K
描述
0.5A, 42V STEP DOWN SWIFT™ DC/DC CONVERTER WITH ECO-MODE™

TPS54040DGQR 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:HTSSOP, TSSOP10,.19,20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:0.89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 VJESD-30 代码:S-PDSO-G10
JESD-609代码:e4长度:3 mm
湿度敏感等级:1功能数量:1
端子数量:10最高工作温度:150 °C
最低工作温度:-40 °C最大输出电流:0.5 A
最大输出电压:42 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

TPS54040DGQR 数据手册

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TPS54040  
www.ti.com................................................................................................................................................................................................... SLVS918MARCH 2009  
0.5A, 42V STEP DOWN  
SWIFT™ DC/DC CONVERTER WITH ECO-MODE™  
1
FEATURES  
0.8-V Internal Voltage Reference  
2
3.5V to 42V Input Voltage Range  
MSOP10 Package With PowerPAD™  
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™  
For SWIFT™ Documentation, See the TI  
Website at http://www.ti.com/swift  
116µA Operating Quiescent Current  
1.3µA Shutdown Current  
100kHz to 2.5MHz Switching Frequency  
Synchronizes to External Clock  
Adjustable Slow Start/Sequencing  
UV and OV Power Good Output  
Adjustable UVLO Voltage and Hysteresis  
APPLICATIONS  
12-V and 24-V Industrial and Commercial Low  
Power Systems  
Aftermarket Auto Accessories: Video, GPS,  
Entertainment  
DESCRIPTION  
The TPS54040 device is a 42V, 0.5A, 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 116µA. Using the enable pin, shutdown supply current is  
reduced to 1.3µA, when the enable pin is low.  
Under voltage lockout is internally set at 2.5V, 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 93% to 107% 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 10 pin thermally enhanced MSOP Power Pad™ package.  
SIMPLIFIED SCHEMATIC  
EFFICIENCY  
vs  
LOAD CURRENT  
VIN  
PWRGD  
100  
90  
TPS54040  
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.  
2
Eco-Mode, PowerPAD, SwitcherPro, SWIFT are trademarks of Texas Instruments.  
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 © 2009, Texas Instruments Incorporated  

TPS54040DGQR 替代型号

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