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TPS54060

更新时间： 2024-11-23 06:02:43
品牌 Logo 应用领域
德州仪器 - TI 转换器
页数 文件大小 规格书
49页 2689K
描述
0.5A, 60V STEP DOWN SWIFT™ DC/DC CONVERTER WITH ECO-MODE™

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TPS54060 数据手册

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TPS54060  
DGQ  
DRC  
www.ti.com  
SLVS919A –JANUARY 2009–REVISED JULY 2010  
0.5A, 60V STEP DOWN  
SWIFT™ DC/DC CONVERTER WITH ECO-MODE™  
Check for Samples: TPS54060  
1
FEATURES  
•
•
0.8-V Internal Voltage Reference  
2
•
•
•
3.5V to 60V Input Voltage Range  
MSOP10 and 3mm x 3mm SON Package With  
PowerPAD™  
200-mΩ High-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™  
•
•
•
•
•
•
•
116mA Operating Quiescent Current  
1.3mA Shutdown Current  
For SWIFT™ Documentation, See the TI  
Website at http://www.ti.com/swift  
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, 24-V and 48-V Industrial and Commercial  
Low Power Systems  
Aftermarket Auto Accessories: Video, GPS,  
Entertainment  
•
DESCRIPTION  
The TPS54060 device is a 60V, 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 116mA. Using the enable pin, shutdown supply current is  
reduced to 1.3mA, 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 TPS54060 is available in 10 pin thermally enhanced MSOP and 10 pin 3mm x 3mm SON PowerPad™  
packages.  
SIMPLIFIED SCHEMATIC  
EFFICIENCY  
vs  
LOAD CURRENT  
VIN  
PWRGD  
TPS54060  
100  
90  
80  
70  
60  
50  
EN  
BOOT  
PH  
40  
SS/TR  
RT/CLK  
COMP  
30  
20  
VI = 12 V,  
VO = 3.3 V,  
fsw = 500 kHz  
VSENSE  
GND  
10  
0
0
0.05 0.1 0.15 0.2 0.25 0.3 0.35 0.4 0.45 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, PowerPAD, SwitcherPro, SWIFT 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 © 2009–2010, Texas Instruments Incorporated  
 
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