The LMZ10505 SIMPLE
SWITCHER® power module is a complete, easy-to-use, DC-DC solution capable of driving up
to a 5-A load with exceptional power conversion efficiency, output voltage accuracy, line and load
regulation. The LMZ10505 is available in an innovative package that enhances thermal performance
and allows for hand or machine soldering.
The LMZ10505 can accept an input voltage rail between 2.95 V and 5.5 V, and can deliver
an adjustable and highly accurate output voltage as low as 0.8 V. One megahertz fixed-frequency PWM
switching provides a predictable EMI characteristic. Two external compensation components can be
adjusted to set the fastest response time, while allowing the option to use ceramic or electrolytic
output capacitors. Externally programmable soft-start capacitor facilitates controlled start-up.
The LMZ10505 is a reliable and robust solution with the following features: lossless cycle-by-cycle
peak current limit to protect for overcurrent or short-circuit fault, thermal shutdown, input
undervoltage lockout, and prebiased start-up.
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