3-A Power Module
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LMZ10503
SNVS641L – JANUARY 2010 ...
Description
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LMZ10503
SNVS641L – JANUARY 2010 – REVISED APRIL 2019
LMZ10503 3-A Power Module With 5.5-V Maximum Input Voltage
1 Features
1 Integrated Shielded Inductor Flexible Start-up Sequencing Using External Soft
Start, Tracking, and Precision Enable Protection Against In-Rush Currents and Faults
Such as Input UVLO and Output Short Circuit Single Exposed Pad and Standard Pinout for Easy
Mounting and Manufacturing Pin-to-Pin Compatible With
– LMZ10504 (4 A / 20 W Maximum)
– LMZ10505 (5 A / 25 W Maximum) Electrical Specifications
– 15-W Maximum Total Output Power
– Up to 3-A Output Current
– Input Voltage Range 2.95 V to 5.5 V
– Output Voltage Range 0.8 V to 5 V
– ±1.63% Feedback Voltage Accuracy Over Temperature
Performance Benefits
– Operates at High Ambient Temperatures
– High Efficiency up to 96% Reduces System Heat Generation
– Low Radiated Emissions (EMI) Tested to EN55022 Class B Standard (EN 55022:2006, +A1:2007, FCC Part 15 Subpart B: 2007. See Table 9 and layout information for more regarding device under test.)
– Fast Transient Response for Powering FPGAs and ASICs
Create a Custom Design Using the LMZ10503 With the WEBENCH® Power Designer
2 Applications
Point-of-Load Conversions From 3.3-V and 5-V Rails
Space-Constrained Applications Noise Sensitive Applications (that is, Transceiver,
Medical)
3 Description
The LMZ10503 power module is a complete, easy-touse DC-DC so...
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