MP1495 稳压器DC-DC开关稳压器.pdf

MP1495 High Efficiency 3A, 16V, 500kHz Synchronous Step Down Converter The Future of Analog IC Technology DESCRIPTION FEATURES The MP1495 is a high-frequency, synchronous, • Wide 4.5V-to-16V Operating Input Range rectified, step-down, switch-mode converter • 80mΩ/30mΩ Low RDS(ON) Internal Power with built-in power MOSFETs. It offers a very MOSFETs compact solution to achieve a 3A continuous • High-Efficiency Synchronous Mode output current with excellent load and line Operation regulation over a wide input supply range. The • Fixed 500kHz Switching Frequency MP1495 has synchronous mode operation for • Synchronizes to a 200kHz to 2MHz External higher efficiency over the output current load Clock range. • AAM Power-Save Mode Current-mode operation provides fast transient • Internal Soft-Start response and eases loop stabilization. • OCP Protection and Hiccup • Thermal Shutdown Full protection features include over-current protection and thermal shut down. • Output Adjustable from 0.8V • Available in an 8-pin TSOT-23 package The MP1495 requires a minimal number of readily-available standard external components,