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LMZ10505EXT
www.ti.com
SNVS669G – JUNE 2010 – REVISED OCTOBER 2013
LMZ10505EXT 5A SIMPLE SWITCHER? Power Module with 5.5V Maximum Input Voltage
for Military and Rugged Applications
Check for Samples: LMZ10505EXT
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FEATURES
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Integrated Shielded Inductor
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Flexible Startup Sequencing Using External
Soft-Start, Tracking, and Precision Enable
Protection Against In-Rush Currents and
Faults such as Input UVLO and Output Short-
Circuit
-55°C to +125°C Junction Temperature
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Operating Range
Single Exposed Pad and Standard Pinout for
Easy Mounting and Manufacturing
Pin-to-Pin Compatible with
– LMZ10503EXT (3A/15W Max)
– LMZ10504EXT (4A/20W Max)
Fully Enable for WEBENCH? and Power
Figure 1. Easy to Use PFM 7 Pin Package
10.16 x 13.77 x 4.57 mm (0.4 x 0.39 x 0.18 in)
θ JA = 20°C/W, θ JC = 1.9°C/W (1)
RoHS Compliant
Peak Reflow Case Temp = 245°C
Power Module SMT Guidelines
PERFORMANCE BENEFITS
Designer
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Operates at High Ambient Temperatures
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Low Output Voltage Ripple of 10 mV Allows
for Powering Noise-Sensitive Transceiver and
Signaling ICs
Fast Transient Response for Powering FPGAs
and ASICs
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Low Radiated Emissions (EMI) Complies with
EN55022 Class B Standard (2)
Passes 10V/m Radiated Immunity EMI Test
Standard EN61000 4-3
Passes Vibration Standard
APPLICATIONS
– MIL-STD-883 Method 2007.2 Condition A
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Point-of-load Conversions from 3.3V and 5V
– JESD22-B103B Condition 1
Rails
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Passes Drop Standard
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Space Constrained Applications
Extreme Temperatures/No Air Flow
Environments
Noise Sensitive Applications (i.e. Transceiver,
Medical)
– MIL-STD-883 Method 2002.3 Condition B
– JESD22-B110 Condition B
DESCRIPTION
The LMZ10505EXT SIMPLE SWITCHER? power
module is a complete, easy-to-use DC-DC solution
ELECTRICAL SPECIFICATIONS
capable of driving up to a 5A load with exceptional
power conversion efficiency, output voltage accuracy,
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25W Maximum Total Output Power
Up to 5A Output Current
Input Voltage Range 2.95V to 5.5V
Output Voltage Range 0.8V to 5V
±1.63% Feedback Voltage Accuracy Over
Temperature
line and load regulation. The LMZ10505EXT is
available in an innovative package that enhances
thermal performance and allows for hand or machine
soldering.
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Efficiency Up to 96%
(1)
θ JA measured on a 2.25” x 2.25” (5.8 cm x 5.8 cm) four layer
board. Refer to PCB Layout Diagrams or Evaluation Board
Application Note: AN-2074 SNVA450 .
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(2)
EN 55022:2006, +A1:2007, FCC Part 15 Subpart B: 2007.
See Figure 22 and layout for information on device under test.
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.
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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 ? 2010–2013, Texas Instruments Incorporated
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