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LMZ31707 Datasheet(PDF) 1 Page - Texas Instruments

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No. de pieza LMZ31707
Descripción Electrónicos  7A SIMPLE SWITCHER짰 Power Module with 2.95V-17V Input and Current Sharing in QFN Package
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Fabricante Electrónico  TI1 [Texas Instruments]
Página de inicio  http://www.ti.com
Logo TI1 - Texas Instruments

LMZ31707 Datasheet(HTML) 1 Page - Texas Instruments

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LMZ31707
PWRGD
SENSE+
VOUT
PVIN
VIN
INH/UVLO
RT/CLK
VADJ
SS/TR
STSEL
AGND PGND
CIN
RSET
COUT
VOUT
VIN
RRT
SYNC_OUT
ISHARE
LMZ31707
www.ti.com
SLVSBV7A – JUNE 2013 – REVISED AUGUST 2013
7A SIMPLE SWITCHER® Power Module with 2.95V-17V Input and Current Sharing
in QFN Package
Check for Samples: LMZ31707
1
FEATURES
DESCRIPTION
The LMZ31707 SIMPLE SWITCHER® power module
23
Complete Integrated Power Solution Allows
is an easy-to-use integrated power solution that
Small Footprint, Low-Profile Design
combines
a
7-A
DC/DC
converter
with
power
10mm x 10mm x 4.3mm Package
MOSFETs, a shielded inductor, and passives into a
Pin Compatible with LMZ31710 & LMZ31704
low profile, QFN package. This total power solution
allows as few as three external components and
Efficiencies Up To 95%
eliminates the loop compensation and magnetics part
Eco-mode™ / Light Load Efficiency (LLE)
selection process.
Wide-Output Voltage Adjust
The 10x10x4.3 mm QFN package is easy to solder
0.6 V to 5.5 V, with 1% Reference Accuracy
onto a printed circuit board and allows a compact
Supports Parallel Operation for Higher Current
point-of-load design. Achieves greater than 95%
efficiency and excellent power dissipation capability
Optional Split Power Rail Allows
with
a
thermal
impedance
of
13.3°C/W.
The
Input Voltage Down to 2.95 V
LMZ31707 offers the flexibility and the feature-set of
Adjustable Switching Frequency
a discrete point-of-load design and is ideal for
(200 kHz to 1.2 MHz)
powering
a
wide
range
of
ICs
and
systems.
Synchronizes to an External Clock
Advanced packaging technology affords a robust and
reliable power solution compatible with standard QFN
Provides 180° out-of-phase Clock Signal
mounting and testing techniques.
Adjustable Slow-Start
Output Voltage Sequencing / Tracking
Figure 1. SIMPLIFIED APPLICATION
Power Good Output
Programmable Undervoltage Lockout (UVLO)
Over-Current & Over-Temperature Protection
Pre-Bias Output Start-Up
Operating Temperature Range: –40°C to 85°C
Enhanced Thermal Performance: 13.3°C/W
Meets EN55022 Class B Emissions
Integrated Shielded Inductor
APPLICATIONS
Broadband & Communications Infrastructure
Automated Test and Medical Equipment
Compact PCI / PCI Express / PXI Express
DSP and FPGA Point-of-Load Applications
This integrated circuit can be damaged by ESD. Texas Instruments recommends that all integrated circuits be handled with
appropriate precautions. Failure to observe proper handling and installation procedures can cause damage.
ESD damage can range from subtle performance degradation to complete device failure. Precision integrated circuits may be more
susceptible to damage because very small parametric changes could cause the device not to meet its published specifications.
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 is a trademark of Texas Instruments.
3
SIMPLE SWITCHER is a registered trademark of Texas Instruments.
PRODUCTION DATA information is current as of publication date.
Copyright © 2013, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.


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