General Description

The MAX5073 is a dual-output DC-DC converter with integrated high-side n-channel power MOSFETs. Each output can be configured either as a buck converter or a boost converter. The device is capable of operating from a wide 5.5V to 23V input voltage range.

Features

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

♦ 0.8V (Buck) to 28V (Boost) Output Voltage

♦ Two Independent Output DC-DC Converters with Internal Power MOSFETs

♦ Each Output can be Configured in Buck or Boost Mode

♦ IOUT1 and IOUT2 of 2A and 1A (Respectively) in Buck Mode

♦ 180° Out-of-Phase Operation

♦ Clock Output for Four Phase Operation

♦ Switching Frequency Programmable from 200kHz to 2.2MHz

♦ Digital Soft-Start and Sync Input

♦ Individual Converter Shutdown and Power-Good Output

♦ Short-Circuit Protection (Buck)/Maximum Duty Cycle Limit (Boost)

♦ Thermal Shutdown

♦ Thermally Enhanced 28-Pin Thin QFN Package Dissipates up to 2.7W at +70°C