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MAX639CPA - MAX639 High Efficiency DC-DC Converter Technical Data - Buy MAX639CPA

MAX639CPA - MAX639 High Efficiency DC-DC Converter


arrowHigh Efficiency for a Wide Range of Load Currents

arrow10µA Quiescent Current

arrowOutput Currents Up to 225mA

arrowPreset or Adjustable Output Voltage 5.0V

arrowLow-Battery Detection Comparator

arrowCurrent-Limiting PFM Control Scheme

Pin Layout
Maxim MAX639CPA Pin Layout

Pin Description
Pin Number Description
1 Vout - Voltage Output
2 LBO - Low Battery Output
3 LBI - Low Battery Input
4 GND - Ground
5 Lx - MOSFET Drain
6 V+ - Positive Supply
7 Vfb - Voltage Feedback
8 SHDN - Shutdown
Dimensional Drawing
MAX639 DIP8 Dimension Drawing

Technical Data

Data Sheet

Maxim Integrated Website - Datasheet for MAX639 Datasheet

Application Notes