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MAX639CPA - MAX639 High Efficiency DC-DC Converter Datasheet - Buy MAX639CPA


Photograph
MAX639 Maxim IC
Features
High Efficiency for a Wide Range of Load Currents
10µA Quiescent Current
Output Currents Up to 225mA
Preset or Adjustable Output Voltage: 5.0V (MAX639) 3.3V (MAX640) 3.0V (MAX653)
Low-Battery Detection Comparator
Current-Limiting PFM Control Scheme

Pin Description
Pin Number Description
1 Vout-Output-Voltage Sense Input
2 LBO-Low Battery Output
3 LBI-Low Battery Input
4 GND-Ground
5 LX-Mosfet Drain
6 V+ -Positive Supply
7 VFB-Dual Mode Feedback
8 SHDN-Shutdown (Active Low)
Pin Layout
MAX639 Maxim IC

Dimensional Drawing
Maxim DIP Dimension Drawing

Technical Data
Data Sheet

Maxim - Data Sheet for MAX639


Application Notes
   





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