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TPS82085

更新时间： 2024-11-09 01:09:11
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德州仪器 - TI /
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25页 1427K
描述
TPS82085 3-A High Efficiency Step-Down Converter MicroSiP with Integrated Inductor

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中文翻译

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TPS82085 数据手册

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TPS82085  
SLVSCN4B –OCTOBER 2014–REVISED AUGUST 2015  
TPS82085 3-A High Efficiency Step-Down Converter MicroSiP™ with Integrated Inductor  
1 Features  
3 Description  
The TPS82085 device is a 3-A step-down converter  
MicroSiP™ module optimized for small solution size  
and high efficiency. The power module integrates a  
synchronous step-down converter and an inductor to  
simplify design, reduce external components and  
save PCB area. The low profile and compact solution  
is suitable for automated assembly by standard  
surface mount equipment.  
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3-A, Low Profile MicroSiP™ Power Module  
DCS-Control™ Topology  
Up to 95% Efficiency  
17-µA Operating Quiescent Current  
-40°C to 125°C Operating Temperature Range  
Hiccup Short Circuit Protection  
2.5-V to 6-V Input Voltage Range  
0.8-V to VIN Adjustable Output Voltage  
Power Save Mode for Light Load Efficiency  
100% Duty Cycle for Lowest Dropout  
Output Discharge Function  
To maximize efficiency, the converter operates in  
PWM mode with a nominal switching frequency of  
2.4MHz and automatically enters Power Save Mode  
operation at light load currents. In Power Save Mode,  
the device operates with typically 17-µA quiescent  
current. Using the DCS-Control™ topology, the  
device achieves excellent load transient performance  
and accurate output voltage regulation. The EN and  
PG pins, which support sequencing configurations,  
bring a flexible system design. An integrated soft  
startup reduces the inrush current required from the  
input supply. Over temperature protection and Hiccup  
short circuit protection deliver a robust and reliable  
solution.  
Power Good Output  
Integrated Soft Startup  
Over Temperature Protection  
3.0-mm x 2.8-mm x 1.3-mm 8-Pin µSiL Package  
2 Applications  
•
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•
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Battery Powered Applications  
Solid State Drives  
Device Information(1)  
Processor Supply  
PART NUMBER  
PACKAGE  
BODY SIZE (NOM)  
Mobile Phones  
TPS82085  
µSiL (8)  
3.0 mm x 2.8 mm  
(1) For all available packages, see the orderable addendum at  
the end of the datasheet.  
space  
space  
1.8 V Output Application  
1.8 V Output Efficiency  
TPS82085  
VIN  
VOUT  
100  
VIN  
EN  
VOUT  
2.5V to 6V  
1.8V/3A  
C1  
10µF  
C2  
22µF  
R1  
200k  
R3  
499k  
FB  
90  
80  
R2  
160k  
GND  
PG  
POWER GOOD  
70  
VIN = 3.0 V  
VIN = 3.5 V  
VIN = 4.0 V  
VIN = 5.0 V  
60  
1m  
10m  
100m  
1
5
Load (A)  
D002  
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,  
intellectual property matters and other important disclaimers. PRODUCTION DATA.  
 
 
 
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TPS82085 替代型号

型号 品牌 替代类型 描述 数据表
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