General Description

Maxim’s MAX630 and MAX4193 CMOS DC-DC regulators are designed for simple, efficient, minimum-size DC-DC converter circuits in the 5mW to 5W range.

Features

♦ High Efficiency—85% (typ)

♦ 70µA Typical Operating Current

♦ 1µA Maximum Quiescent Current

♦ 2.0V to 16.5V Operation

♦ 525mA (Peak) Onboard Drive Capability

♦ ±1.5% Output Voltage Accuracy (MAX630)

♦ Low-Battery Detector

♦ Compact 8-Pin Mini-DIP and SO Packages

♦ Pin Compatible with RC4191/2/3

Applications

   +5V to +15V DC-DC Converters

   High-Efficiency Battery-Powered DC-DC

      Converters

   +3V to +5V DC-DC Converters

   9V Battery Life Extension

   Uninterruptible 5V Power Supplies

   5mW to 5W Switch-Mode Power Supplies