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TPS54020RUWR

更新时间： 2024-11-19 12:03:43
品牌 Logo 应用领域
德州仪器 - TI 转换器
页数 文件大小 规格书
43页 2311K
描述
Small, 10-A, 4.5-V to 17-V Input, SWIFT Synchronous Step-Down Converter with Light-Load Efficiency

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TPS54020RUWR 数据手册

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TPS54020  
www.ti.com  
SLVSB10C –JULY 2012–REVISED MARCH 2013  
Small, 10-A, 4.5-V to 17-V Input, SWIFT™ Synchronous Step-Down Converter with Light-  
Load Efficiency  
Check for Samples: TPS54020  
1
FEATURES  
APPLICATIONS  
23  
•
Integrated 8-mΩ and 6-mΩ MOSFETs  
•
•
•
Power for FPGAs, SoCs, DSPs and Processors  
Wireless, Data, and Cloud Infrastructure  
Gaming, DTV, STB and Smart Grid Systems  
•
Thermally Enhanced 3.5 mm × 3.5 mm  
HotRod™ Package  
•
•
•
•
•
•
•
•
•
•
•
•
Peak Current Mode Control  
DESCRIPTION  
Eco-mode™Pulse Skip for Higher Efficiency  
Overcurrent Protection for Both MOSFETs  
Selectable Overcurrent Protection Schemes  
Selectable Overcurrent Protection Levels  
Split Power Rail: 1.6 V to 17 V on PVIN  
0.6 V Voltage Reference With ±1% Accuracy  
200-kHz to 1.2-MHz Switching Frequency  
Synchronizes to External Clock  
The TPS54020 is a 10-A, 4.5-V to 17-V input  
SWIFT™ converter. The innovative 3.5 mm × 3.5 mm  
HotRod™ package optimizes high-density step-down  
designs. The TPS54020 is a full featured converter.  
High efficiency is achieved through the innovative  
integration and packaging of the high-side and low-  
side MOSFETs. The TPS54020 operates at  
continuous current mode (CCM) at higher load  
conditions, and transitions to Eco-mode™ while  
skipping pulses to boost the efficiency at light loads.  
Start-Up into Pre-biased Outputs  
Over-Temperature and Overvoltage Protection  
Current limiting on both MOSFETs provides device  
and system protection. Cycle-by-cycle current limiting  
in the high-side MOSFET protects for overload  
situations. Low-side MOSFET zero current detection  
turns off the low-side MOSFET while operating under  
light loads. Three selectable current limit thresholds  
allow a good fit for various applications. A hiccup or  
cycle-by-cycle overcurrent protection scheme is also  
selectable.  
–40°C to 150°C Operating Junction  
Temperature Range  
•
•
Adjustable Soft-Start/Power Sequencing  
Power Good Output Monitor for Undervoltage  
and Overvoltage  
•
SYNC_OUT Function Provides Output Clock  
Signal 180° Out-of-Phase  
Supported by WEBENCH® Software Tool  
For SWIFT™ Documentation and WEBENCH®,  
visit http://www.ti.com/swift  
•
•
Thermal shutdown protection disables switching  
when die temperature exceeds the thermal shutdown  
trip point and enables switching after the built-in  
thermal hysteresis and shutdown hiccup time.  
VPVIN: 1.6 V to 17 V  
VVIN: 4.5 V to 17 V  
96  
TPS54020  
PWRGD  
TA = 25°C  
VOUT = 1.8 V  
fSW = 500 kHz  
PVIN  
VIN  
EN  
94  
92  
90  
88  
86  
84  
82  
80  
SYNC_OUT  
BOOT  
ILIM  
SS  
LOUT  
VOUT  
COUT  
PH  
RT/CLK  
COMP  
HICCUP  
VIN = 5 V  
VIN = 12 V  
VIN = 17 V  
VSENSE  
PGND  
RTN  
2
3
4
5
6
7
8
9
10  
Load Current (A)  
G000  
UGD-13037  
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.  
SWIFT, HotRod, Eco-mode are trademarks of Texas Instruments.  
2
3
WEBENCH is a registered trademark 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 © 2012–2013, Texas Instruments Incorporated  
 
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TPS54020RUWR 替代型号

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TPS54020RUWT TI

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