The LMZ10503EXTTZ/NOPB power module is a complete, easy-to-use DC-DC solution capable of driving upto a 3-A load with exceptional power conversion efficiency, output voltage accuracy, line and loadregulation. The LMZ10503EXTTZ/NOPB is available in an innovative package that enhances thermal performanceand allows for hand or machine soldering.
The LMZ10503EXTTZ/NOPB can accept an input voltage rail between 2.95 V and 5.5 V and can deliver anadjustable and highly accurate output voltage as low as 0.8 V. One megahertz fixed-frequency PWMswitching provides a predictable EMI characteristic. Two external compensation components can beadjusted to set the fastest response time, while allowing the option to use ceramic and/orelectrolytic output capacitors. Externally programmable soft-start capacitor facilitates controlledstartup. The LMZ10503EXTTZ/NOPB is a reliable and robust solution with the following features: losslesscycle-by-cycle peak current limit to protect for over current or short-circuit fault, thermalshutdown, input undervoltage lockout, and prebiased start-up.
Feature
- 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
