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MAX630 - CMOS Micropower Step-UP Switching Regulator

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.

Key Features

  • igh 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 MAX630/MAX4193 Ordering Information PART MAX630CPA MAX630CSA MAX630CJA MAX630EPA MAX630ESA MAX630EJA MAX630MJA MAX630MSA/PR MAX630MSA/PR-T MAX4193C/D MAX4193CPA MAX4193CSA MAX4193CJA MAX4193EPA MAX4193ESA MAX4193.

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MAX6301 Low-Power uP Supervisory Circuits
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MAX631 CMOS Fixed/Adjustable Output Step-Up Switching Regulators

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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19-0915; Rev 2; 9/08 CMOS Micropower Step-Up Switching Regulator 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. The MAX630 and MAX4193 provide all control and power handling functions in a compact 8-pin package: a 1.31V bandgap reference, an oscillator, a voltage comparator, and a 375mA N-channel output MOSFET. A comparator is also provided for low-battery detection. Operating current is only 70µA and is nearly independent of output switch current or duty cycle. A logic-level input shuts down the regulator to less than 1µA quiescent current. Low-current operation ensures high efficiency even in low-power battery-operated systems.