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TPS43061RTE

更新时间： 2024-09-16 13:14:51
品牌 Logo 应用领域
德州仪器 - TI 稳压器开关式稳压器或控制器电源电路开关式控制器PC
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32页 1281K
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TPS43061RTE 数据手册

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TPS43060  
TPS43061  
www.ti.com  
SLVSBP4A –DECEMBER 2012–REVISED DECEMBER 2012  
Low Quiescent Current Synchronous Boost DC-DC Controller with Wide V Range  
IN  
Check for Samples: TPS43060, TPS43061  
1
FEATURES  
APPLICATIONS  
2
•
58 V Maximum Output Voltage  
•
•
•
•
•
•
•
Thunderbolt Port for PCs  
•
•
4.5 V to 38 V (40 V Abs Max) VIN Range  
Automotive Power Systems  
Synchronous Flyback  
TPS43060: 7.5 V Gate Drive Optimized for  
Standard Threshold MOSFETs  
GaN RF Power Amplifiers  
•
•
TPS43061: 5.5 V Gate Drive Optimized for Low  
Qg NexFETs™  
Tablet Computer Accessories  
Battery Powered Systems  
5 V, 12 V, and 24 V DC Bus Power Systems  
Current-Mode Control with Internal Slope  
Compensation  
•
•
•
•
•
•
•
•
•
•
Adjustable Frequency from 50kHz to 1MHz  
Synchronization Capability to External Clock  
Adjustable Soft-Start Time  
DESCRIPTION  
The TPS43060 and TPS43061 are low IQ current-  
mode synchronous boost controllers with wide input  
voltage range from 4.5 V to 38 V (40 V abs max) and  
boosted output range up to 58 V. Synchronous  
rectification enables high efficiency for high current  
applications, and lossless inductor DCR sensing  
further improves efficiency. The resulting low power  
losses combined with a 3 mm x 3 mm QFN-16  
package with PowerPad™ supports high power-  
density and high reliability boost converter solutions  
over extended (-40°C to 150°C) temperature range.  
Inductor DCR or Resistor Current Sensing  
Output Voltage Power-Good Indicator  
±0.8% Feedback Reference Voltage  
5 µA Shutdown Supply Current  
600 µA Operating Quiescent Current  
Integrated Bootstrap Diode (TPS43061)  
Cycle-by-Cycle Current Limit and Thermal  
Shutdown  
The TPS43060 includes a 7.5 V gate drive supply  
which is suitable to drive a broad range of MOSFETs.  
The TPS43061 has a 5.5 V gate drive supply and  
driver strength optimized for low Qg NexFET™. In  
addition, TPS43061 provides an integrated bootstrap  
diode for the high side gate driver to reduce external  
parts count.  
•
•
•
Adjustable UVLO and Output Overvoltage  
Protection  
Small 16-Pin QFN (3 mm x 3 mm) Package with  
PowerPAD™  
-40°C to 150°C Operating TJ Range  
SIMPLIFIED SCHEMATIC  
L
VOUT  
VIN  
RSENSE  
QH  
CBOOT  
TPS43060/61  
CI  
CO  
ISNS-  
BOOT  
DBOOT  
(Note1)  
ISNS+  
VIN  
QL  
VCC  
CVCC  
EN  
PGND  
LDRV  
PGOOD  
COMP  
RC  
CC  
RT/CLK  
SW  
RT  
HDRV  
SS  
FB  
CSS  
AGND  
RSL  
RSH  
Note 1: DBOOT is required for TPS43060, but optional for TPS43061.  
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
NexFETs, PowerPAD 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 © 2012, Texas Instruments Incorporated  
 
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