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TPS54360

更新时间： 2024-09-19 11:58:39
品牌 Logo 应用领域
德州仪器 - TI 转换器
页数 文件大小 规格书
10页 314K
描述
60 V Input, 3.5 A, Step Down Converter with Eco-mode™

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TPS54360 数据手册

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TPS54360  
www.ti.com  
SLVSBB4 –AUGUST 2012  
60 V Input, 3.5 A, Step Down Converter with Eco-mode™  
Check for Samples: TPS54360  
1
FEATURES  
2
•
•
•
•
4.5 V to 60 V (65 V Abs Max) Input Range  
Current Mode Control Converter  
92-mΩ High-Side MOSFET  
•
•
Internal Soft-Start  
Accurate Cycle-by-Cycle Current Limit,  
Thermal, OVP, and Frequency Foldback  
Protection  
High Efficiency at Light Loads with a Pulse  
Skipping Eco-mode™  
•
•
•
•
0.8-V 1% Internal Voltage Reference  
8-Pin HSOIC with PowerPAD™ Package  
–40°C to 150°C TJ Operating Range  
Supported by WEBENCH™ Software Tool  
•
•
•
•
•
146 μA Operating Quiescent Current  
1 μA Shutdown Current  
100 kHz to 2.5 MHz Fixed Switching Frequency  
Synchronizes to External Clock  
APPLICATIONS  
Adjustable UVLO Voltage and Hysteresis  
•
12-V, 24-V and 48-V Industrial, Automotive and  
Communications Power Systems  
DESCRIPTION  
The TPS54360 is a 60 V, 3.5 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 supply current to 146 μA. Shutdown supply current is reduced to 1 μA when the enable pin is pulled  
low.  
Under voltage lockout is internally set at 4.3 V, but can be increased using the enable pin. The output voltage  
startup ramp is internally controlled to allow a controlled start-up and eliminate overshoot.  
A wide switching frequency range allows either efficiency or external component size to be optimized. Frequency  
foldback and thermal shutdown protects internal and external components during an overload condition.  
The TPS54360 is available in an 8-pin thermally enhanced HSOIC PowerPAD™ package.  
SPACER  
SIMPLIFIED SCHEMATIC  
EFFICIENCY vs LOAD CURRENT  
100  
90  
V
VIN  
IN  
80  
70  
60  
50  
40  
30  
20  
10  
0
TPS54360  
V
= 12V  
IN  
EN  
BOOT  
V
OUT  
SW  
RT/CLK  
COMP  
R1  
V
V
= 5V, fsw = 600 kHz  
= 3.3V, fsw = 300 kHz  
OUT  
OUT  
FB  
0
0.5  
1.0  
1.5  
2.0  
2.5  
3.0  
3.5  
4.0  
R3  
I
- Output Current - A  
O
GND  
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, WEBENCH are trademarks of Texas Instruments.  
PRODUCT PREVIEW information concerns products in the  
formative or design phase of development. Characteristic data and  
other specifications are design goals. Texas Instruments reserves  
the right to change or discontinue these products without notice.  
Copyright © 2012, Texas Instruments Incorporated  
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