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LMZ10503EXT
SNVS668J – JUNE 2010 – REVISED APRIL 2019
LMZ10503EXT 3-A Power Module With 5.5-V Maximum Input Voltage for Demanding and Rugged Applications
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.
3-A Power Module
Product Folder
Order Now
Technical Documents
Tools & Software
Support & Community
LMZ10503EXT
SNVS668J – JUNE 2010 – REVISED APRIL 2019
LMZ10503EXT 3-A Power Module With 5.5-V Maximum Input Voltage for Demanding and Rugged Applications
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
– LMZ10504EXT (4-A/20-W Maximum) – LMZ10505EXT (5-A/25-W Maximum) • Fast Transient Response for Powering FPGAs and ASICs • 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 – Low Radiated Emissions (EMI) Tested to
EN55022 Class B Standard – Passes 10-V/m Radiated Immunity EMI Tested
to Standard EN61000 4-3 – Passes Vibration Standard
– MIL-STD-883 Method 2007.2 Condition A – JESD22-B103B Condition 1 – Passes Drop Standard – MIL-STD-883 Method 2002.3 Condition B – JESD22-B110 Condition B – Create a Custom Design Using the LMZ10503 With the WEBENCH® Power Designer
Typical Application Circuit
VIN Cin
6, 7 VOUT
1 VIN
EN 2
LMZ10503EXT
5 FB
SS GND
3 CSS
4, EP
CO Rfbt
Rfbb
Rcomp Ccomp
VO.