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LMZ31710

更新时间： 2024-11-21 12:06:03
品牌 Logo 应用领域
德州仪器 - TI 电源电路
页数 文件大小 规格书
33页 915K
描述
10A SIMPLE SWITCHER® Power Module with 2.95V-17V Input and Current Sharing in QFN Package

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LMZ31710 数据手册

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LMZ31710  
www.ti.com  
SNVS987A –JULY 2013–REVISED JULY 2013  
10A SIMPLE SWITCHER® Power Module with 2.95V-17V Input and Current Sharing  
in QFN Package  
Check for Samples: LMZ31710  
1
FEATURES  
DESCRIPTION  
The LMZ31710 SIMPLE SWITCHER power module  
is an easy-to-use integrated power solution that  
combines a 10-A DC/DC converter with power  
MOSFETs, a shielded inductor, and passives into a  
low profile, QFN package. This total power solution  
allows as few as three external components and  
eliminates the loop compensation and magnetics part  
selection process.  
2
•
Complete Integrated Power Solution Allows  
Small Footprint, Low-Profile Design  
•
10mm x 10mm x 4.3mm Package  
- Pin Compatible with LMZ31707 & LMZ31704  
•
•
•
Efficiencies Up to 95%  
Eco-Mode / Light Load Efficiency (LLE)  
Wide-Output Voltage Adjust  
The 10x10x4.3 mm QFN package is easy to solder  
onto a printed circuit board and allows a compact  
point-of-load design. Achieves greater than 95%  
efficiency and excellent power dissipation capability  
0.6 V to 5.5 V, with 1% Reference Accuracy  
•
•
Supports Parallel Operation for Higher Current  
Optional Split Power Rail allows  
Input Voltage Down to 2.95 V  
with  
a
thermal impedance of 13.3°C/W. The  
LMZ31710 offers the flexibility and the feature-set of  
a discrete point-of-load design and is ideal for  
•
Adjustable Switching Frequency  
(200 kHz to 1.2 MHz)  
powering  
a wide range of ICs and systems.  
•
•
•
•
•
•
•
•
•
•
•
Synchronizes to an External Clock  
Provides 180° Out-of-Phase Clock Signal  
Adjustable Slow-Start  
Advanced packaging technology affords a robust and  
reliable power solution compatible with standard QFN  
mounting and testing techniques.  
Output Voltage Sequencing / Tracking  
Power Good Output  
Figure 1. SIMPLIFIED APPLICATION  
Programmable Undervoltage Lockout (UVLO)  
Over-Current & Over-Temperature Protection  
Pre-bias Output Start-up  
V
IN  
PVIN  
VIN  
ISHARE  
VOUT  
V
OUT  
CIN  
Operating Temperature Range: –40°C to 85°C  
Enhanced Thermal Performance: 13.3°C/W  
SENSE+  
C
OUT  
LMZ31710  
Meets EN55022 Class B Emissions  
- Integrated Shielded Inductor  
SYNC_OUT  
PWRGD  
APPLICATIONS  
INH/UVLO  
VADJ  
•
•
•
•
Broadband & Communications Infrastructure  
Automated Test and Medical Equipment  
Compact PCI / PCI Express / PXI Express  
DSP and FPGA Point-of-Load Applications  
SS/TR  
RT/CLK  
R
SET  
STSEL  
R
RT  
AGND PGND  
100  
95  
90  
85  
80  
75  
Vout = 2.5 V  
70  
65  
60  
55  
50  
Fsw = 750 kHz  
PVIN = 3.3 V, VIN = 5 V  
PVIN = VIN = 5 V  
PVIN = VIN = 12 V  
0
1
2
3
4
5
6
7
8
9
10  
C001  
Output 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.  
2
All trademarks are the property of their respective owners.  
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 © 2013, Texas Instruments Incorporated  
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LMZ31710 替代型号

型号 品牌 替代类型 描述 数据表
PTH12060W TI

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