General Description

The MAX5088/MAX5089 high-frequency, DC-DC converters with an integrated n-channel power MOSFET provide up to 2A of load current. The MAX5088 includes an internal power MOSFET to enable the design of a nonsynchronous buck topology power supply.

Features

♦ 4.5V to 5.5V or 5.5V to 23V Input Voltage Range

♦ Output Voltage Adjustable Down to 0.6V

♦ 2A Output Current

♦ Synchronous Rectifier Driver Output (MAX5089) for Higher Efficiency

♦ Resistor-Programmable Switching Frequency from 200kHz to 2.2MHz

♦ External Synchronization and Enable (On/Off) Inputs

♦ Clock Output for Driving Second Converter 180° Out-Of-Phase (MAX5089)

♦ Integrated 150mΩ High-Side n-Channel Power MOSFET

♦ Power-On Reset Output (MAX5088)/Power-Good Output (MAX5089)

♦ Short-Circuit Protection

♦ Thermal-Shutdown Protection

♦ Thermally Enhanced 16-Pin TQFN Package Dissipates 2.7W